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International Journal of Modern Engineering Research (IJMER)
               www.ijmer.com         Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090       ISSN: 2249-6645

Development of Web-Based Courseware for Van Hiele’s Visualization Level
                                              Jaemu Lee1, Minhee Kim2
                 1
                     Department of Computer Education, Busan National University of Education, South Korea
                                       2
                                         Ulsan Maekog Elementary school, South Korea

ABSTRACT :This study developed web-based courseware               Interests, and preferred mode of learning” [7].
applying van Hiele theory in order to offer different levels of             In order to solve such problems, educational
content for figure learning for elementary mathematics            resources at various levels were produced according to the
students.                                                         cognitive level of students. Even now, however, problems
In mathematics education, it is difficult to increase             such as excessive numbers of students per class, superior
educational efficiency by conducting individual learning          class recognition due to group formation, excessive
according to student ability because of the large differences     amounts of work for teachers, problems in the development
in student levels, in addition to high populations in each        of supplementary and night educational programs, etc. are
classroom. This study provides courseware using van               occurring; these make the educational process operations
Hiele’s visualization levels in order to offer different levels   for various levels difficult [8].
of content. This proposed courseware can improve students'                  In this study, various leveled studies applying van
learning achievement by offering differentiated content to        Hiele theory are provided. A web-based courseware
learners who need advanced or supplementary learning              applying van Hiele theory was developed in order to
materials. It also enhances learners’ spatial-perception          support different levels of studies in geometrical figure
ability by offering various operating activities in figures       learning for elementary students.
learning.
                                                                                  II. VAN HIELE THEORY
Key words: Courseware, E-learning content, Figure                          In this chapter, we refer van Hiele theory as
learning, Individual learning, van Hiele theory                   theoretical background.

                 I. INTRODUCTION                                  1. The Components of the van Hiele Theory
          Mathematics, like reading, is an important skill in                The three components of the van Hiele model are
our everyday lives. Mathematical reasoning is something           insight, van Hiele thinking level, and studies level [9]. The
we all do, from simple counting to complex calculations;          learner must undergo five levels in their education
however, the ability to use these skills varies greatly and       experience, and if one cannot pass a certain level, that
difficulties emerging in childhood can persist through to         person may not move on to the next.
adulthood. A solid grounding in basic numeracy helps                         Insight is the ability to carry on an assignment
children to succeed in other subject areas in the curriculum      even in unfamiliar situations and to perform the situational
and develop more advanced mathematical skills that are            requests proficiently. It also means being able to
essential for higher education and employment [1].                thoughtfully and consciously find solutions for certain
          The field of geometrical figures is essential to        situations.
many parts of mathematics textbooks and is closely related        If students have insight, it means that they know and
to students‟ lives. Although it acts as a foundation for          understand what they are doing, why they are doing it, and
abstract visualization, which students find difficult, a proper   when they will do it. In addition, students who have insight
level of teaching is rarely possible and problems, which are      have the ability to use their knowledge when solving
not appropriate to the level of the students, are often           problems [10].
assigned [2].                                                                1.1 The Geometrical Thinking Level of van Hiele
          A major drawback of traditional instruction is that     Theory Van Hiele theory classifies students‟ geometrical
many teachers “teach to the middle” [3,4], which means            study thinking levels into the following five categories [11,
that the needs of a growing number of students go unmet.          12].
Traditional instruction has a particularly deleterious effect     The first level is visualization or the holistic level.
on students with disabilities who often display diverse           It is the basic level and, rather than looking at a geometrical
cognitive abilities, evidence multiple and varied                 concept through the components or properties, it is seen as
instructional needs, and perform academically below their         a whole. A geometrical shape, when it comes to physical
same-age classmates [5]. These deficits make students with        appearance, is identified not through partial characteristics,
disabilities especially vulnerable to a one-size-fits-all         but through its shape as a whole. Children who are at this
approach to instruction. The net result is that many of these     level can identify and copy geometrical terms and shapes;
students perform poorly on standardized tests, and have           but children of this level cannot identify right angles or
high dropout rates, low graduation rates, and high                parallel lines. Thus, when they see a rectangular box, they
percentages of unemployment [6]. One solution is what             identify it as being a square shape, and a triangular ruler as
experts refer to as                                               a triangle shape, and a delicious pizza as a circular shape.
Differentiated instruction. Differentiated instruction is the     They are able to understand that the shapes are different
process of “ensuring that what a student learns, how he/she       from one another, but that is about all they are capable of
learns it, and how the student demonstrates what he/she has       doing.
learned is a match for that student‟s readiness level,                       Although they can identify squares, rectangles,

                                                       www.ijmer.com                                                4086 | Page
International Journal of Modern Engineering Research (IJMER)
                www.ijmer.com             Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090              ISSN: 2249-6645
parallelograms, etc. and other shapes, they are not able to        an isosceles triangle,” they are able to prove that “the base
confirm the relationship between the various shapes. In            angles of an isosceles triangle are equal.” These students,
addition, they cannot understand the concept of all squares        during the process of propositional deduction, do not
being rectangles and all rectangles being parallelograms.          understand the necessity of preciseness, nor do they
Children focus on the visual characteristics of the                understand the thinking transition relation when going from
„geometric‟ shapes in order to tell them apart.                    one deduction to another.
The second level is the analysis or description level.             The fifth level is rigor level.
         In the second level, the classification of geometric                At this level, children are able to understand the
concepts begins. Through observation and experimentation,          necessity of various abstract deductive inferences that are
the characteristics of figures are divided. Through these          strict and precise; for example, Hibert‟s basic geometrical
characteristics, the shapes are classified. The fact that          theory. As a result, it is a level where students can grow to
figures have parts, and these parts form a geometric figure        understand Euclidean geometry by thinking mathematically
is identified. Students, however, are not able to make a           in both an abstract and general manner through the specific
precise mathematical definition for the figure. In addition,       characteristics of geometry; they can also understand the
since they do not clearly understand the definition, they are      specific meanings behind it. In addition, they are able to
also not able to understand the relationships between the          understand the postulate system‟s characteristics: non-
figures‟ characteristics. Children at this level, for example,     contradiction, independence, and completeness. The fact
recognize that parallelograms have parallel lines and are          that “two parallel lines which meet a third straight line
congruent; however, they merely think that these                   result in equal alternative angles” can be proven by
characteristics are happening at the same time. These              „reduction to absurdity‟; and by using these parallel line
children are also not able to identify a quadrangle with           postulates and sub-organization, they can conclude that “the
congruent parallel lines as a parallelogram. At this level,        three angles of a triangle add up to 180°. Children who are
children can see the similar characteristics of different          at this level exceed the level of high school students and
shapes, but they still are not able to decide upon a „ranking‟     have the ability to study in an academic system. Not only
among squares, rectangles, and parallelograms                      are they be able to compare other systems, but they are also
The third level is the informal deduction level.                   be able to abstractly study various geometries without being
         Children at this level are able to identify the           provided a concrete shape or diagram. This last level did
characteristics within one figure. In addition, they               not receive much interest during the initial research, nor
understand the relationships among various geometric               from other researchers as well.
figures. This is the point where they move on from an                        Crowley [9] described some properties of the
experimental geometry into a formal geometry. Deductive            model. Three are of particular interest to teachers. .
inference can become a concrete proof; and, therefore,             First, students must proceed through the levels in order.
children can make inferences about the figure‟s                    Second, Students move through the levels without skipping
characteristics; and, not only can they identify that some         any level. Their progress from level to level is more
characteristics can result from other characteristics, but they    dependent on the content and method of instruction than on
also have the ability to classify figures through their            age.
characteristics. They have, for example, the ability to                      Third, for learning to occur, instruction must occur
identify squares as a specialized form of the diamond, and         at the level of the student. If instruction is delivered at a
understand the inclusive relationship of quadrangles               higher level than the learner is able to comprehend, the
properly. Once they understands inclusive relationships, not       student will have difficulty following the thought processes
only are they able to understand the definition, but they are      used.
also be able to carry out formal arguments. Children at this
level, however, cannot understand the importance of                1.2 Studying Level based on the van Hiele levels
deduction as a role in common. Inference is used as an                       As observed above, it was claimed that there could
experimental or experiential method. Formal proof may be           be no skipping among the thinking levels according to the
possible, but the theoretical order that brings about the          van Hiele theory, and that things occur in a step by step
conclusion is not noticed easily; deductive inference is           manner. Students have to pass through one level after
limited and they need to receive help from teachers or             another. This progression is not a natural process, however;
textbooks.                                                         it is carried out by the support of professionals and
The fourth level is the deduction level.                           organized study programs. According to Crowley [9], the
         Students who are at the level of formal deduction         professional support consists of five steps: a quality
are able to understand deduction, which is one of the              guidance level, a guided research level, an opinion level, a
methods of arranging geometrical figures within the                liberal research level, and a combination level.
postulates. They can understand the roles and relations of
undefined terms, postulates, concept arrangements,                  2. The Characteristics of the van Hiele Model
postulates and proofs, and identify the deduction systems                    If one organizes the characteristics of the study
within geometry. Children at this level are not at the stage       level theory of van Hiele, they are as follows [13].
of merely demonstrating skills by remembering proof                First, the thinking process is a leveled, discontinuous
processes, but they can also create them themselves. In            activity; and therefore, without passing through the low
addition, they can understand the interrelationships between       levels, a student cannot move into the higher levels. As a
necessary conditions and sufficient conditions; they can           result, for mathematical thinking, all levels must be taken
distinguish between their propositions and their roles.            step by step in order for advancement. Thus, without going
Thus, for the definition “a triangle with two equal sides is       through the n-1 level, students will not be able to reach the

                                                      www.ijmer.com                                                  4087 | Page
International Journal of Modern Engineering Research (IJMER)
                www.ijmer.com            Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090             ISSN: 2249-6645
n level.                                                          First, by using the online van Hiele questionnaire, the
          Second, not all students pass through each level at     learner‟s knowledge skill is accurately diagnosed.
the same speed. In addition, the time consumed at each            Depending on the diagnostic results, leaning that fits the
level may be shortened through good guidance, or may                        learner‟s level is ensured within the provided
even be lengthened because of inappropriate guidance.             virtual space.
Advancement from one level to another relies much more            Second, through various games, interest in learning is
on educational content and methods than on age and                induced, and motivation is sustained through interaction
physical maturity.                                                with the learning system.
          Third, in a higher level, the actions that were                   Third, the games provided within the virtual space
carried out during lower levels become a subject of               are developed by considering the development of Geometry
classification. Things that had been a method of thinking in      skills according to van Hiele‟s theories in order to fit the
the previous level may become a subject of thinking in the        knowledge level of the learners.
next level. In addition, a concept that was understood tacitly    Fourth, game environments that allow learners to personally
in the precious level may be more clearly defined in the          manipulate shapes are provided in order to increase the
next level. The first level is one where you can think of         spatial sense of the children.
objects around you as figures and shapes. The second level        Last, advice that promotes the mindset of the learner should
is one where you think of figures and shapes as having a          be provided.
geometric characteristic. The third level is one where the
figure‟s characteristics become a subject of thinking, and        2. Developmental of the Courseware Interface
the characteristics of the figures are identified through the     2.1 Log-In of Learners
means of proposition. The fourth level is one where                         In the initial screen, the major character visits
methods become a subject of thinking, and the methods are         Figure Land. In order to trigger interest in the learner, this
identified through the means of logic.                            system gives learners a chance to be the main character and
Last, at the fifth level, logic itself becomes a subject of       sets up a story such that the learner has to bring back
research.                                                         several stolen figures.
          The basic premise of the van Hiele theory is an                   When those visiting for the first time the learner
idea that systemizes the experience of mathematical               presses the „Register‟ icon, and progresses to the
thinking processes. In addition, the method of organizing         registration screen. When guidelines are followed, an ID
experiences within a particular level is identified as a new      and PASSSWORD are created, and learner can
experience. The activity is carried out and these processes       immediately start learning.
are repeated as students move to the next level.                  Previously registered learners insert their ID and
Mathematical learning guidance must therefore be able to          PASSWORD and press the „challenge‟ button. As shown in
reinvent these cycles [14].                                       Fig. 1, once the button is pressed, information about
With respect to geometrical guidance, when children are           previously learned content is provided. Through this, the
guided properly, they will increase in level; and, if guided      learners can discover learning that appropriately suits their
inappropriately, their advancement may be delayed. Thus,          level.
the importance of providing children with geometric studies
that fit their level and uses the appropriate language and
guidance is crucial.
          Previous studies have suggested reasonability
through the concrete examples regarding the theories of van
Hiele and teaching-learning resources that can increase the
knowledge level of the learning have been developed.
Through these studies, the learners can be provided with
individualized figure learning that fits their level.
Traditional teaching-learning, however, is being carried out
only in offline learning; there has not been enough research                      Fig. 1 The result of Logging-in
on the development of teaching-learning resources that
considers the knowledge level of the learners. By keeping         2.2 Main Menu
pace with the changes happening among new teaching and                      The main menu screen provides information for
learning styles, online figure learning applied using van         the learner. In the major menu, various buttons are provided
Hiele‟s theories should be provided for each levels.              including buttons for the Room of Abilities Testing where
                                                                  the learner‟s level is tested, the Room of Strength where
  III. DEVELOPMENT OF COURSEWARE FOR                              learner can learn, the Room of Bravery, the Room of
                    VISUALIZATION LEVEL                           Wisdom, the Spaceship, and the Completion of Studies. In
          In this chapter, we describe development                order to trigger motivation in the learners, learners become
environments, the courseware interface model, and                 the actual characters and are able to feel that they are in the
courseware for visualization levels.                              midst of an adventure. Fig. 2 illustrates the main screen.
1. Development environments                                                 Those who are visiting for the first time have to
          The major development tool is flash; and, in order      start in the Room of Abilities Testing so that they can test
to process images and interwork Photoshop and database,           their levels. Those who have previously visited will start
the PHP web programming language is used.                         learning in the room that is compatible with their abilities.
The developmental direction of this research is as follows.       In order for learners to enter each room, passwords are

                                                      www.ijmer.com                                                  4088 | Page
International Journal of Modern Engineering Research (IJMER)
              www.ijmer.com             Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090             ISSN: 2249-6645
needed. By taking the abilities tests, learners can acquire      to observe and manipulate as they are recognized as figures.
the passwords to rooms that are appropriate to their levels.     Explanations for each game are as follows.
                                                                           As displayed in Fig. 5, „Find the same Shape‟ is a
                                                                 game that provides cards with objects that can be seen in
                                                                 the surroundings and the learner must find the same shape.
                                                                 When learners see a notebook, they search for a rectangular
                                                                 shape. If the learners see a mountain or shellfish, they
                                                                 search for a triangular shape. If they see a ball, they will
                                                                 recognize it as a circular shape. Thus, learners are tested on
                                                                 their ability to distinguish between different shapes.



                     Fig. 2 Main Menu

2.3 Diagnosis of the Learner’s Level
         As shown in Fig. 3, a level test is presented with
20 questions; and, when the presented numbers are clicked,
the next question is presented. When the correct answer is
clicked, the score increases. The level of the learner is
decided depending on this score.

                                                                         Fig. 5 Find the same Shape Game

                                                                           As displayed in Fig. 6, „Capture the Shape‟ is a
                                                                 game where shapes have to be recognized although the
                                                                 cards have been divided into upper and lower parts and
                                                                 moved from left to right during a short amount of time. In
                                                                 this game, as the shapes pass by, the learners have to guess
                                                                 the shapes. This, then, contributes to helping learners
                                                                 visually recognize various shapes.


                     Fig. 3 Level Test

          As shown in Fig. 4, depending on the diagnostic
test results, passwords that can take learners to the Room of
Strength, the Room of Bravery, and the Room of Wisdom
can be obtained.




                                                                                Fig. 6 Capture the Shape Game



               Fig. 4 The result of Level Test

2.4 Figure Learning Games
         All the content of figure learning is provided
according to the game learning methods for each level and
depending upon the learners‟ levels. When the learning for
each level is completed, evaluation is always provided.
Depending on the evaluation result, the authority to pass to
a higher level of learning is given so that learning for each
level can be made appropriately.                                               Fig. 7 Complete the Shapes Game

3. Courseware for the Visualization Level                                The game called „Complete the Shapes‟ is
         We called this room the “Room of Strength”. The       displayed in Fig. 7, Shapes are given before starting the
Room of Strength is formed around four kinds of games.         game, and learners observe the shapes. Once the game
Objects that can be easily seen in our surroundings are used   starts, the shape disappears and the game is accomplished
                                                     www.ijmer.com                                            4089 | Page
International Journal of Modern Engineering Research (IJMER)
               www.ijmer.com             Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090            ISSN: 2249-6645
when the shape is found. In order to increase learning            field that need to be improved and secured.
efficiency, various given pieces are manipulated by the           First, web courseware and learning models appropriate to
mouse and the learner is able to confirm them visually.           each level of mathematics learning should be developed. In
Through the replay button, the earlier shapes can be seen         addition, proper learning guidance should be developed as
according to the learners‟ desires.                               well, in order that the two be applied together.
         As shown in Fig. 8, „Find the Hidden Shape‟ is a                   Second, in order for students to learn according to
game where triangular, rectangular, and circular shapes           their personal level, development of web courseware for
have to be found in a picture. As learners search for             each level is needed in diverse areas beyond figure learning.
triangular, rectangular, and circular shapes in the game,         Third, the authors intend to develop courseware for other
they will be able to recognize the fact that many of these        levels of van Hiele theory, and need to develop an adaption
shapes exist in their surrounding environment as well.            module to supply a course for learners‟ differentiated
                                                                  learning at proper levels.
                                                                            Last, in order to verify the accurate effects of the
                                                                  courseware, it is thought that research on the effects on
                                                                  students is needed.

                                                                                           REFERENCES
                                                                  [1] J. W. Adams, Individual differences in mathematical ability:
                                                                  genetic, cognitive and behavioural factors, Journal of Research in
                                                                  Special Educational Needs, 7(2), 2007, 97–103.
                                                                   [2] E. Halat, In-Service Middle and High School Mathematics
                                                                  Teachers: Geometric Reasoning Stages and Gender. The
                                                                  Mathematics Educator , 2008, 8-14.
            Fig. 8 Find the Hidden Shape Game                     [3] M. L. Rock, M. Gregg, E. Ellis and R. A. Gable, REACH: A
                                                                  Framework for Differentiating Classroom Instruction, Preventing
                                                                  School Failure, 52(2), 2008, 31-47.
         Through the games where shapes are found in              [4] D. Haager and J. K. Klingner, Differentiating instruction in
surrounding objects or by completing shapes using different       inclusive classrooms (Columbus, OH: Merrill, 2005).
pieces, learners will be able to visually recognize figures.      [5] M. Friend and W. Bursick, Including students with special
As their levels increase through each of the games, learners      needs: A practical guide for classroom teachers (2nd ed.) (Upper
can find the password for the Room of Strength in order to        Saddle River, NJ: Allyn & Bacon, 1999).
move to a higher level of learning.                               [6] D. Lipsky, Are we there yet?, Learning Disability Quarterly,
                                                                  28, 2005, 156–158.
                    IV. CONCLUSION                                [7] C. A. Tomlinson, Sharing responsibility for differentiating
                                                                  instruction, Roper Review, 26(4), 2004, 188-200.
          A web-based courseware applying van Hiele‟s
                                                                  [8] H. Unal, E. Jakubowski and D. Corey, D, Differences in
theory of visualization levels was developed.                     learning geometry among high and low spatial ability pre-service
In this program, game content that fits the level of              mathematics teachers, International Journal of Mathematical
awareness of learners regarding shapes is developed so that       Education in Science and Technology, 2009, 997-1012.
real-time, individual learning can take place. In addition,       [9] M.L. Crowley, The van Hiele Model of the Development of
graphics and animation stimulate learner interests and            Geomemc Thought, Learning and Teaching Gemretry, K-12,
motivation, cultivate an appropriate attention span and           Mary Montgomery Lindquist(ed), 1987 Yearbook of the National
learning attitude, and provide an interactional, teaching-        Council of Teachers of Mathematics (Reston, Va.: National 1987)
learning environment between the student and educator.            1-16.
                                                                  [10] P.M. van Hiele, Structure and insight (New York, Academic
The results of this study are as follows.
                                                                  Press, 1986)
          First, level learning based on the theories of van       [11] P. van Hiele, The Child’s Thought and Geometry (Brooklyn,
Hiele can help enhance effective learning about Geometry          NY: City University of
as well as increase the level of recognition of shapes.           New York, 1985)..
Second, though the adventure-game style of learning,              [12] T. Erdogan, R, Akkaya and S. C. Akkaya, The Effect of the
interest in mathematic can be triggered in the learners.          Van Hiele Model Based Instruction on the Creative Thinking
Third, diverse learning materials should be introduced when       Levels of 6th Grade Primary School Students, Educational
learners are learning shapes, since such learning requires        Sciences: Theory & Practice, 9(1), 2009, 181-194.
spatial perception skills. By providing various operational       [13] M. D. Villiers, Using dynamic geometry to expand
                                                                  mathematics teachers' understanding of proof,
activities, learners are able to develop spatial perception       International Journal of Mathematical Education in Science and
skills.                                                           Technology, 35(5), 2004, 703-724.
          Fourth, mathematics in the 4th grade of elementary      [14] C. C. Meng, Enhancing students‟ geometric thinking through
school deals with content regarding 'learning about shapes'       phase-based instruction using geometer‟s sketchpad: A case study,
by levels; so, for learners who need additional deep              Journal Pendidik dan Pendidikan, 24, 2009, 89–107.
supplementary lessons, more learning opportunities can be
provided.
          Last, educators will feel less burdened by having
to sacrifice time and effort on developing learning for each
level.
          This study proposes some of the areas that need
improvements as well as some agendas in the educational

                                                      www.ijmer.com                                                    4090 | Page

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Development of Web-Based Courseware for Van Hiele’s Visualization Level

  • 1. International Journal of Modern Engineering Research (IJMER) www.ijmer.com Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090 ISSN: 2249-6645 Development of Web-Based Courseware for Van Hiele’s Visualization Level Jaemu Lee1, Minhee Kim2 1 Department of Computer Education, Busan National University of Education, South Korea 2 Ulsan Maekog Elementary school, South Korea ABSTRACT :This study developed web-based courseware Interests, and preferred mode of learning” [7]. applying van Hiele theory in order to offer different levels of In order to solve such problems, educational content for figure learning for elementary mathematics resources at various levels were produced according to the students. cognitive level of students. Even now, however, problems In mathematics education, it is difficult to increase such as excessive numbers of students per class, superior educational efficiency by conducting individual learning class recognition due to group formation, excessive according to student ability because of the large differences amounts of work for teachers, problems in the development in student levels, in addition to high populations in each of supplementary and night educational programs, etc. are classroom. This study provides courseware using van occurring; these make the educational process operations Hiele’s visualization levels in order to offer different levels for various levels difficult [8]. of content. This proposed courseware can improve students' In this study, various leveled studies applying van learning achievement by offering differentiated content to Hiele theory are provided. A web-based courseware learners who need advanced or supplementary learning applying van Hiele theory was developed in order to materials. It also enhances learners’ spatial-perception support different levels of studies in geometrical figure ability by offering various operating activities in figures learning for elementary students. learning. II. VAN HIELE THEORY Key words: Courseware, E-learning content, Figure In this chapter, we refer van Hiele theory as learning, Individual learning, van Hiele theory theoretical background. I. INTRODUCTION 1. The Components of the van Hiele Theory Mathematics, like reading, is an important skill in The three components of the van Hiele model are our everyday lives. Mathematical reasoning is something insight, van Hiele thinking level, and studies level [9]. The we all do, from simple counting to complex calculations; learner must undergo five levels in their education however, the ability to use these skills varies greatly and experience, and if one cannot pass a certain level, that difficulties emerging in childhood can persist through to person may not move on to the next. adulthood. A solid grounding in basic numeracy helps Insight is the ability to carry on an assignment children to succeed in other subject areas in the curriculum even in unfamiliar situations and to perform the situational and develop more advanced mathematical skills that are requests proficiently. It also means being able to essential for higher education and employment [1]. thoughtfully and consciously find solutions for certain The field of geometrical figures is essential to situations. many parts of mathematics textbooks and is closely related If students have insight, it means that they know and to students‟ lives. Although it acts as a foundation for understand what they are doing, why they are doing it, and abstract visualization, which students find difficult, a proper when they will do it. In addition, students who have insight level of teaching is rarely possible and problems, which are have the ability to use their knowledge when solving not appropriate to the level of the students, are often problems [10]. assigned [2]. 1.1 The Geometrical Thinking Level of van Hiele A major drawback of traditional instruction is that Theory Van Hiele theory classifies students‟ geometrical many teachers “teach to the middle” [3,4], which means study thinking levels into the following five categories [11, that the needs of a growing number of students go unmet. 12]. Traditional instruction has a particularly deleterious effect The first level is visualization or the holistic level. on students with disabilities who often display diverse It is the basic level and, rather than looking at a geometrical cognitive abilities, evidence multiple and varied concept through the components or properties, it is seen as instructional needs, and perform academically below their a whole. A geometrical shape, when it comes to physical same-age classmates [5]. These deficits make students with appearance, is identified not through partial characteristics, disabilities especially vulnerable to a one-size-fits-all but through its shape as a whole. Children who are at this approach to instruction. The net result is that many of these level can identify and copy geometrical terms and shapes; students perform poorly on standardized tests, and have but children of this level cannot identify right angles or high dropout rates, low graduation rates, and high parallel lines. Thus, when they see a rectangular box, they percentages of unemployment [6]. One solution is what identify it as being a square shape, and a triangular ruler as experts refer to as a triangle shape, and a delicious pizza as a circular shape. Differentiated instruction. Differentiated instruction is the They are able to understand that the shapes are different process of “ensuring that what a student learns, how he/she from one another, but that is about all they are capable of learns it, and how the student demonstrates what he/she has doing. learned is a match for that student‟s readiness level, Although they can identify squares, rectangles, www.ijmer.com 4086 | Page
  • 2. International Journal of Modern Engineering Research (IJMER) www.ijmer.com Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090 ISSN: 2249-6645 parallelograms, etc. and other shapes, they are not able to an isosceles triangle,” they are able to prove that “the base confirm the relationship between the various shapes. In angles of an isosceles triangle are equal.” These students, addition, they cannot understand the concept of all squares during the process of propositional deduction, do not being rectangles and all rectangles being parallelograms. understand the necessity of preciseness, nor do they Children focus on the visual characteristics of the understand the thinking transition relation when going from „geometric‟ shapes in order to tell them apart. one deduction to another. The second level is the analysis or description level. The fifth level is rigor level. In the second level, the classification of geometric At this level, children are able to understand the concepts begins. Through observation and experimentation, necessity of various abstract deductive inferences that are the characteristics of figures are divided. Through these strict and precise; for example, Hibert‟s basic geometrical characteristics, the shapes are classified. The fact that theory. As a result, it is a level where students can grow to figures have parts, and these parts form a geometric figure understand Euclidean geometry by thinking mathematically is identified. Students, however, are not able to make a in both an abstract and general manner through the specific precise mathematical definition for the figure. In addition, characteristics of geometry; they can also understand the since they do not clearly understand the definition, they are specific meanings behind it. In addition, they are able to also not able to understand the relationships between the understand the postulate system‟s characteristics: non- figures‟ characteristics. Children at this level, for example, contradiction, independence, and completeness. The fact recognize that parallelograms have parallel lines and are that “two parallel lines which meet a third straight line congruent; however, they merely think that these result in equal alternative angles” can be proven by characteristics are happening at the same time. These „reduction to absurdity‟; and by using these parallel line children are also not able to identify a quadrangle with postulates and sub-organization, they can conclude that “the congruent parallel lines as a parallelogram. At this level, three angles of a triangle add up to 180°. Children who are children can see the similar characteristics of different at this level exceed the level of high school students and shapes, but they still are not able to decide upon a „ranking‟ have the ability to study in an academic system. Not only among squares, rectangles, and parallelograms are they be able to compare other systems, but they are also The third level is the informal deduction level. be able to abstractly study various geometries without being Children at this level are able to identify the provided a concrete shape or diagram. This last level did characteristics within one figure. In addition, they not receive much interest during the initial research, nor understand the relationships among various geometric from other researchers as well. figures. This is the point where they move on from an Crowley [9] described some properties of the experimental geometry into a formal geometry. Deductive model. Three are of particular interest to teachers. . inference can become a concrete proof; and, therefore, First, students must proceed through the levels in order. children can make inferences about the figure‟s Second, Students move through the levels without skipping characteristics; and, not only can they identify that some any level. Their progress from level to level is more characteristics can result from other characteristics, but they dependent on the content and method of instruction than on also have the ability to classify figures through their age. characteristics. They have, for example, the ability to Third, for learning to occur, instruction must occur identify squares as a specialized form of the diamond, and at the level of the student. If instruction is delivered at a understand the inclusive relationship of quadrangles higher level than the learner is able to comprehend, the properly. Once they understands inclusive relationships, not student will have difficulty following the thought processes only are they able to understand the definition, but they are used. also be able to carry out formal arguments. Children at this level, however, cannot understand the importance of 1.2 Studying Level based on the van Hiele levels deduction as a role in common. Inference is used as an As observed above, it was claimed that there could experimental or experiential method. Formal proof may be be no skipping among the thinking levels according to the possible, but the theoretical order that brings about the van Hiele theory, and that things occur in a step by step conclusion is not noticed easily; deductive inference is manner. Students have to pass through one level after limited and they need to receive help from teachers or another. This progression is not a natural process, however; textbooks. it is carried out by the support of professionals and The fourth level is the deduction level. organized study programs. According to Crowley [9], the Students who are at the level of formal deduction professional support consists of five steps: a quality are able to understand deduction, which is one of the guidance level, a guided research level, an opinion level, a methods of arranging geometrical figures within the liberal research level, and a combination level. postulates. They can understand the roles and relations of undefined terms, postulates, concept arrangements, 2. The Characteristics of the van Hiele Model postulates and proofs, and identify the deduction systems If one organizes the characteristics of the study within geometry. Children at this level are not at the stage level theory of van Hiele, they are as follows [13]. of merely demonstrating skills by remembering proof First, the thinking process is a leveled, discontinuous processes, but they can also create them themselves. In activity; and therefore, without passing through the low addition, they can understand the interrelationships between levels, a student cannot move into the higher levels. As a necessary conditions and sufficient conditions; they can result, for mathematical thinking, all levels must be taken distinguish between their propositions and their roles. step by step in order for advancement. Thus, without going Thus, for the definition “a triangle with two equal sides is through the n-1 level, students will not be able to reach the www.ijmer.com 4087 | Page
  • 3. International Journal of Modern Engineering Research (IJMER) www.ijmer.com Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090 ISSN: 2249-6645 n level. First, by using the online van Hiele questionnaire, the Second, not all students pass through each level at learner‟s knowledge skill is accurately diagnosed. the same speed. In addition, the time consumed at each Depending on the diagnostic results, leaning that fits the level may be shortened through good guidance, or may learner‟s level is ensured within the provided even be lengthened because of inappropriate guidance. virtual space. Advancement from one level to another relies much more Second, through various games, interest in learning is on educational content and methods than on age and induced, and motivation is sustained through interaction physical maturity. with the learning system. Third, in a higher level, the actions that were Third, the games provided within the virtual space carried out during lower levels become a subject of are developed by considering the development of Geometry classification. Things that had been a method of thinking in skills according to van Hiele‟s theories in order to fit the the previous level may become a subject of thinking in the knowledge level of the learners. next level. In addition, a concept that was understood tacitly Fourth, game environments that allow learners to personally in the precious level may be more clearly defined in the manipulate shapes are provided in order to increase the next level. The first level is one where you can think of spatial sense of the children. objects around you as figures and shapes. The second level Last, advice that promotes the mindset of the learner should is one where you think of figures and shapes as having a be provided. geometric characteristic. The third level is one where the figure‟s characteristics become a subject of thinking, and 2. Developmental of the Courseware Interface the characteristics of the figures are identified through the 2.1 Log-In of Learners means of proposition. The fourth level is one where In the initial screen, the major character visits methods become a subject of thinking, and the methods are Figure Land. In order to trigger interest in the learner, this identified through the means of logic. system gives learners a chance to be the main character and Last, at the fifth level, logic itself becomes a subject of sets up a story such that the learner has to bring back research. several stolen figures. The basic premise of the van Hiele theory is an When those visiting for the first time the learner idea that systemizes the experience of mathematical presses the „Register‟ icon, and progresses to the thinking processes. In addition, the method of organizing registration screen. When guidelines are followed, an ID experiences within a particular level is identified as a new and PASSSWORD are created, and learner can experience. The activity is carried out and these processes immediately start learning. are repeated as students move to the next level. Previously registered learners insert their ID and Mathematical learning guidance must therefore be able to PASSWORD and press the „challenge‟ button. As shown in reinvent these cycles [14]. Fig. 1, once the button is pressed, information about With respect to geometrical guidance, when children are previously learned content is provided. Through this, the guided properly, they will increase in level; and, if guided learners can discover learning that appropriately suits their inappropriately, their advancement may be delayed. Thus, level. the importance of providing children with geometric studies that fit their level and uses the appropriate language and guidance is crucial. Previous studies have suggested reasonability through the concrete examples regarding the theories of van Hiele and teaching-learning resources that can increase the knowledge level of the learning have been developed. Through these studies, the learners can be provided with individualized figure learning that fits their level. Traditional teaching-learning, however, is being carried out only in offline learning; there has not been enough research Fig. 1 The result of Logging-in on the development of teaching-learning resources that considers the knowledge level of the learners. By keeping 2.2 Main Menu pace with the changes happening among new teaching and The main menu screen provides information for learning styles, online figure learning applied using van the learner. In the major menu, various buttons are provided Hiele‟s theories should be provided for each levels. including buttons for the Room of Abilities Testing where the learner‟s level is tested, the Room of Strength where III. DEVELOPMENT OF COURSEWARE FOR learner can learn, the Room of Bravery, the Room of VISUALIZATION LEVEL Wisdom, the Spaceship, and the Completion of Studies. In In this chapter, we describe development order to trigger motivation in the learners, learners become environments, the courseware interface model, and the actual characters and are able to feel that they are in the courseware for visualization levels. midst of an adventure. Fig. 2 illustrates the main screen. 1. Development environments Those who are visiting for the first time have to The major development tool is flash; and, in order start in the Room of Abilities Testing so that they can test to process images and interwork Photoshop and database, their levels. Those who have previously visited will start the PHP web programming language is used. learning in the room that is compatible with their abilities. The developmental direction of this research is as follows. In order for learners to enter each room, passwords are www.ijmer.com 4088 | Page
  • 4. International Journal of Modern Engineering Research (IJMER) www.ijmer.com Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090 ISSN: 2249-6645 needed. By taking the abilities tests, learners can acquire to observe and manipulate as they are recognized as figures. the passwords to rooms that are appropriate to their levels. Explanations for each game are as follows. As displayed in Fig. 5, „Find the same Shape‟ is a game that provides cards with objects that can be seen in the surroundings and the learner must find the same shape. When learners see a notebook, they search for a rectangular shape. If the learners see a mountain or shellfish, they search for a triangular shape. If they see a ball, they will recognize it as a circular shape. Thus, learners are tested on their ability to distinguish between different shapes. Fig. 2 Main Menu 2.3 Diagnosis of the Learner’s Level As shown in Fig. 3, a level test is presented with 20 questions; and, when the presented numbers are clicked, the next question is presented. When the correct answer is clicked, the score increases. The level of the learner is decided depending on this score. Fig. 5 Find the same Shape Game As displayed in Fig. 6, „Capture the Shape‟ is a game where shapes have to be recognized although the cards have been divided into upper and lower parts and moved from left to right during a short amount of time. In this game, as the shapes pass by, the learners have to guess the shapes. This, then, contributes to helping learners visually recognize various shapes. Fig. 3 Level Test As shown in Fig. 4, depending on the diagnostic test results, passwords that can take learners to the Room of Strength, the Room of Bravery, and the Room of Wisdom can be obtained. Fig. 6 Capture the Shape Game Fig. 4 The result of Level Test 2.4 Figure Learning Games All the content of figure learning is provided according to the game learning methods for each level and depending upon the learners‟ levels. When the learning for each level is completed, evaluation is always provided. Depending on the evaluation result, the authority to pass to a higher level of learning is given so that learning for each level can be made appropriately. Fig. 7 Complete the Shapes Game 3. Courseware for the Visualization Level The game called „Complete the Shapes‟ is We called this room the “Room of Strength”. The displayed in Fig. 7, Shapes are given before starting the Room of Strength is formed around four kinds of games. game, and learners observe the shapes. Once the game Objects that can be easily seen in our surroundings are used starts, the shape disappears and the game is accomplished www.ijmer.com 4089 | Page
  • 5. International Journal of Modern Engineering Research (IJMER) www.ijmer.com Vol.2, Issue.6, Nov-Dec. 2012 pp-4086-4090 ISSN: 2249-6645 when the shape is found. In order to increase learning field that need to be improved and secured. efficiency, various given pieces are manipulated by the First, web courseware and learning models appropriate to mouse and the learner is able to confirm them visually. each level of mathematics learning should be developed. In Through the replay button, the earlier shapes can be seen addition, proper learning guidance should be developed as according to the learners‟ desires. well, in order that the two be applied together. As shown in Fig. 8, „Find the Hidden Shape‟ is a Second, in order for students to learn according to game where triangular, rectangular, and circular shapes their personal level, development of web courseware for have to be found in a picture. As learners search for each level is needed in diverse areas beyond figure learning. triangular, rectangular, and circular shapes in the game, Third, the authors intend to develop courseware for other they will be able to recognize the fact that many of these levels of van Hiele theory, and need to develop an adaption shapes exist in their surrounding environment as well. module to supply a course for learners‟ differentiated learning at proper levels. Last, in order to verify the accurate effects of the courseware, it is thought that research on the effects on students is needed. REFERENCES [1] J. W. Adams, Individual differences in mathematical ability: genetic, cognitive and behavioural factors, Journal of Research in Special Educational Needs, 7(2), 2007, 97–103. [2] E. Halat, In-Service Middle and High School Mathematics Teachers: Geometric Reasoning Stages and Gender. The Mathematics Educator , 2008, 8-14. Fig. 8 Find the Hidden Shape Game [3] M. L. Rock, M. Gregg, E. Ellis and R. A. Gable, REACH: A Framework for Differentiating Classroom Instruction, Preventing School Failure, 52(2), 2008, 31-47. Through the games where shapes are found in [4] D. Haager and J. K. Klingner, Differentiating instruction in surrounding objects or by completing shapes using different inclusive classrooms (Columbus, OH: Merrill, 2005). pieces, learners will be able to visually recognize figures. [5] M. Friend and W. Bursick, Including students with special As their levels increase through each of the games, learners needs: A practical guide for classroom teachers (2nd ed.) (Upper can find the password for the Room of Strength in order to Saddle River, NJ: Allyn & Bacon, 1999). move to a higher level of learning. [6] D. Lipsky, Are we there yet?, Learning Disability Quarterly, 28, 2005, 156–158. IV. CONCLUSION [7] C. A. Tomlinson, Sharing responsibility for differentiating instruction, Roper Review, 26(4), 2004, 188-200. A web-based courseware applying van Hiele‟s [8] H. Unal, E. Jakubowski and D. Corey, D, Differences in theory of visualization levels was developed. learning geometry among high and low spatial ability pre-service In this program, game content that fits the level of mathematics teachers, International Journal of Mathematical awareness of learners regarding shapes is developed so that Education in Science and Technology, 2009, 997-1012. real-time, individual learning can take place. In addition, [9] M.L. Crowley, The van Hiele Model of the Development of graphics and animation stimulate learner interests and Geomemc Thought, Learning and Teaching Gemretry, K-12, motivation, cultivate an appropriate attention span and Mary Montgomery Lindquist(ed), 1987 Yearbook of the National learning attitude, and provide an interactional, teaching- Council of Teachers of Mathematics (Reston, Va.: National 1987) learning environment between the student and educator. 1-16. [10] P.M. van Hiele, Structure and insight (New York, Academic The results of this study are as follows. Press, 1986) First, level learning based on the theories of van [11] P. van Hiele, The Child’s Thought and Geometry (Brooklyn, Hiele can help enhance effective learning about Geometry NY: City University of as well as increase the level of recognition of shapes. New York, 1985).. Second, though the adventure-game style of learning, [12] T. Erdogan, R, Akkaya and S. C. Akkaya, The Effect of the interest in mathematic can be triggered in the learners. Van Hiele Model Based Instruction on the Creative Thinking Third, diverse learning materials should be introduced when Levels of 6th Grade Primary School Students, Educational learners are learning shapes, since such learning requires Sciences: Theory & Practice, 9(1), 2009, 181-194. spatial perception skills. By providing various operational [13] M. D. Villiers, Using dynamic geometry to expand mathematics teachers' understanding of proof, activities, learners are able to develop spatial perception International Journal of Mathematical Education in Science and skills. Technology, 35(5), 2004, 703-724. Fourth, mathematics in the 4th grade of elementary [14] C. C. Meng, Enhancing students‟ geometric thinking through school deals with content regarding 'learning about shapes' phase-based instruction using geometer‟s sketchpad: A case study, by levels; so, for learners who need additional deep Journal Pendidik dan Pendidikan, 24, 2009, 89–107. supplementary lessons, more learning opportunities can be provided. Last, educators will feel less burdened by having to sacrifice time and effort on developing learning for each level. This study proposes some of the areas that need improvements as well as some agendas in the educational www.ijmer.com 4090 | Page