Secondary 1 maths curriculum framework

Cambridge Secondary 1
Mathematics Curriculum Framework

Contents Introduction

Stage 7 .....................................................................................................1 Welcome to the Cambridge Secondary 1 Mathematics curriculum
framework.
Stage 8 .....................................................................................................7
This framework provides a comprehensive set of progressive learning
Stage 9 ................................................................................................... 14 objectives for mathematics. The objectives detail what the learner
should know or what they should be able to do in each year of lower
secondary education. The learning objectives provide a structure for
teaching and learning and a reference against which learners’ ability and
understanding can be checked.

The Cambridge Secondary 1 mathematics curriculum is presented in
six content areas: Number, Algebra, Geometry, Measure, Handling data
and Problem solving. The first five content areas are all underpinned
by Problem solving, which provides a structure for the application of
mathematical skills. Mental strategies are also a key part of the Number
content. Together, these two areas form a progressive step preparing
students for entry onto IGCSE level courses. This curriculum focuses
on principles, patterns, systems, functions and relationships so that
learners can apply their mathematical knowledge and develop a holistic
understanding of the subject. The Cambridge Secondary 1 Mathematics
curriculum framework continues the journey from the Cambridge
Primary Mathematics framework and provides a solid foundation upon
which the later stages of education can be built.

The Cambridge Curriculum is founded on the values of the University
of Cambridge and best practice in schools. The curriculum is dedicated
to developing learners who are confident, responsible, innovative and
engaged. Each curriculum framework for English, mathematics and
science is designed to engage learners in an active and creative learning
journey.

b Cambridge Secondary 1 Mathematics Curriculum Framework (for use from 2011)

Stage 7

Stage 7
Number Fractions, decimals, percentages, ratio and proportion

Integers, powers and roots • Recognise the equivalence of simple fractions, decimals and
percentages.
• Recognise negative numbers as positions on a number line, and
order, add and subtract positive and negative integers in context. • Simplify fractions by cancelling common factors and identify
equivalent fractions; change an improper fraction to a mixed number,
• Recognise multiples, factors, common factors, primes (all less than and vice versa; convert terminating decimals to fractions,
100), making use of simple tests of divisibility; find the lowest 23
e.g. 0.23 = 100 .
common multiple in simple cases; use the ‘sieve’ for generating
primes developed by Eratosthenes. • Compare two fractions by using diagrams, or by using a calculator to
convert the fractions to decimals, e.g. 5 and 13 .
3
20
• Recognise squares of whole numbers to at least 20 × 20 and the
corresponding square roots; use the notation 72 and 49 . • Add and subtract two simple fractions, e.g. 1 + 9 , 11 - 5 ; find
8 8 12 6
fractions of quantities (whole number answers); multiply a fraction by
Place value, ordering and rounding an integer.

• Interpret decimal notation and place value; multiply and divide whole • Understand percentage as the number of parts in every 100; use
numbers and decimals by 10, 100 or 1000. fractions and percentages to describe parts of shapes, quantities and
measures.
• Order decimals including measurements, changing these to the
same units. • Calculate simple percentages of quantities (whole number answers)
and express a smaller quantity as a fraction or percentage of a larger
• Round whole numbers to the nearest 10, 100 or 1000 and decimals,
one.
including measurements, to the nearest whole number or one
decimal place. • Use percentages to represent and compare different quantities.

• Use ratio notation, simplify ratios and divide a quantity into two parts
in a given ratio.

• Recognise the relationship between ratio and proportion.

• Use direct proportion in context; solve simple problems involving
ratio and direct proportion.

Cambridge Secondary 1 Mathematics Curriculum Framework (for use from 2011) 1

Stage 7
Stage 7

Number (continued) Multiplication and division

Calculation • Multiply and divide decimals with one and/or two places by single-
digit numbers, e.g. 13.7 × 8, 4.35 ÷ 5.
Mental strategies
• Know that in any division where the dividend is not a multiple of the
• Consolidate the rapid recall of number facts, including positive divisor there will be a remainder, e.g. 157 ÷ 25 = 6 remainder 7.
integer complements to 100, multiplication facts to 10 × 10 and The remainder can be expressed as a fraction of the divisor,
associated division facts. 7
e.g. 157 ÷ 25 = 6 25 .

• Use known facts and place value to multiply and divide two-digit • Know when to round up or down after division when the context
numbers by a single-digit number, e.g. 45 × 6, 96 ÷ 6. requires a whole-number answer.

• Know and apply tests of divisibility by 2, 3, 5, 6, 8, 9, 10 and 100.

• Use known facts and place value to multiply simple decimals by Algebra
one-digit numbers, e.g. 0.8 × 6.
Expressions, equations and formulae
• Calculate simple fractions and percentages of quantities, e.g. one
• Use letters to represent unknown numbers or variables; know the
quarter of 64, 20% of 50 kg.
meanings of the words term, expression and equation.
• Use the laws of arithmetic and inverse operations to simplify
• Know that algebraic operations follow the same order as arithmetic
calculations with whole numbers and decimals.
operations.
• Use the order of operations, including brackets, to work out simple
• Construct simple algebraic expressions by using letters to represent
calculations.
numbers.
Addition and subtraction
• Simplify linear expressions, e.g. collect like terms; multiply a
• Add and subtract integers and decimals, including numbers with constant over a bracket.
different numbers of decimal places.
• Derive and use simple formulae, e.g. to change hours to minutes.

• Substitute positive integers into simple linear expressions/formulae.

• Construct and solve simple linear equations with integer coefficients
(unknown on one side only), e.g. 2x = 8, 3x + 5 = 14, 9 – 2x = 7.

2 Cambridge Secondary 1 Mathematics Curriculum Framework (for use from 2011)

Stage 7

Stage 7
• Calculate the sum of angles at a point, on a straight line and in a
Algebra (continued) triangle, and prove that vertically opposite angles are equal; derive
Sequences, functions and graphs and use the property that the angle sum of a quadrilateral is 360°.

• Generate terms of an integer sequence and find a term given its • Solve simple geometrical problems by using side and angle
position in the sequence; find simple term-to-term rules. properties to identify equal lengths or calculate unknown angles, and
explain reasoning.
• Generate sequences from spatial patterns and describe the general
term in simple cases. • Recognise and describe common solids and some of their
properties, e.g. the number of faces, edges and vertices.
• Represent simple functions using words, symbols and mappings.
• Recognise line and rotation symmetry in 2D shapes and patterns;
• Generate coordinate pairs that satisfy a linear equation, where y is draw lines of symmetry and complete patterns with two lines of
given explicitly in terms of x; plot the corresponding graphs; symmetry; identify the order of rotation symmetry.
recognise straight-line graphs parallel to the x- or y-axis.
• Use a ruler, set square and protractor to:

– measure and draw straight lines to the nearest millimetre
Geometry
– measure and draw acute, obtuse and reflex angles to the nearest
Shapes and geometric reasoning
degree
• Identify, describe, visualise and draw 2D shapes in different
– draw parallel and perpendicular lines
orientations.
– construct a triangle given two sides and the included angle (SAS)
• Use the notation and labelling conventions for points, lines, angles
or two angles and the included side (ASA)
and shapes.
– construct squares and rectangles
• Name and identify side, angle and symmetry properties of special
quadrilaterals and triangles, and regular polygons with 5, 6 and 8 sides. – construct regular polygons, given a side and the internal angle
• Estimate the size of acute, obtuse and reflex angles to the nearest 10°.

• Start to recognise the angular connections between parallel lines,
perpendicular lines and transversals.


Stage 7
Stage 7

Geometry (continued) Time and rates of change

Position and movement • Draw and interpret graphs in real life contexts involving more than
one stage, e.g. travel graphs.
• Read and plot coordinates of points determined by geometric
information in all four quadrants. • Know the relationships between units of time; understand and use
the 12-hour and 24-hour clock systems; interpret timetables;
• Transform 2D points and shapes by: calculate time intervals.

– reflection in a given line Area, perimeter and volume

– rotation about a given point • Know the abbreviations for and relationships between square metres
(m2), square centimetres (cm2), square millimetres (mm2).
– translation
• Derive and use formulae for the area and perimeter of a rectangle;
Know that shapes remain congruent after these transformations.
calculate the perimeter and area of compound shapes made from
rectangles.

Measure • Derive and use the formula for the volume of a cuboid; calculate
volumes of cuboids.
Length, mass and capacity
• Calculate the surface area of cubes and cuboids from their nets.
• Choose suitable units of measurement to estimate, measure,
calculate and solve problems in everyday contexts.

• Know abbreviations for and relationships between metric units;
convert between:

– kilometres (km), metres (m), centimetres (cm), millimetres (mm)

– tonnes (t), kilograms (kg) and grams (g)

– litres (l) and millilitres (ml)

• Read the scales on a range of analogue and digital measuring
instruments.


Stage 7

Stage 7
Handling data Interpreting and discussing results

Planning and collecting data • Draw conclusions based on the shape of graphs and simple
statistics.
• Decide which data would be relevant to an enquiry and collect and
organise the data. • Compare two simple distributions using the range and the mode,
median or mean.
• Design and use a data collection sheet or questionnaire for a simple
survey. Probability

• Construct and use frequency tables to gather discrete data, grouped • Use the language of probability to describe and interpret results
where appropriate in equal class intervals. involving likelihood and chance.

Processing and presenting data • Understand and use the probability scale from 0 to 1.

• Find the mode (or modal class for grouped data), median and range. • Find probabilities based on equally likely outcomes in simple
contexts.
• Calculate the mean, including from a simple frequency table.
• Identify all the possible mutually exclusive outcomes of a single
• Draw and interpret: event.

– bar-line graphs and bar charts • Use experimental data to estimate probabilities.

– frequency diagrams for grouped discrete data • Compare experimental and theoretical probabilities in simple
contexts.
– simple pie charts

– pictograms


Stage 7
Stage 7

Problem solving Using understanding and strategies in solving problems

Using techniques and skills in solving mathematical problems • Identify and represent information or unknown numbers in problems,
making correct use of numbers, symbols, words, diagrams, tables
• Use the laws of arithmetic and inverse operations to simplify and graphs.
calculations with whole numbers and decimals.
• Recognise mathematical properties, patterns and relationships,
• Manipulate numbers, algebraic expressions and equations, and apply generalising in simple cases.
routine algorithms.
• Work logically and draw simple conclusions.
• Understand everyday systems of measurement and use them to
estimate, measure and calculate. • Relate results or findings to the original context and check that they
are reasonable.
• Recognise and use spatial relationships in two and three dimensions.
• Record and explain methods, results and conclusions.
• Draw accurate mathematical diagrams, graphs and constructions.
• Discuss and communicate findings effectively, orally and in writing.
• Check results of calculations by using inverse operations.

• Estimate, approximate and check their working.

• Solve word problems involving whole numbers, percentages,
decimals, money or measures: choose operations and mental or
written methods appropriate to the numbers and context, including
problems with more than one step.


Stage 8

Number Fractions, decimals, percentages, ratio and proportion

Integers, powers and roots • Find equivalent fractions, decimals and percentages by converting
between them.

Stage 8
• Add, subtract, multiply and divide integers.
• Convert a fraction to a decimal using division; know that a recurring
• Identify and use multiples, factors, common factors, highest decimal is a fraction.
common factors, lowest common multiples and primes; write a
number in terms of its prime factors, e.g. 500 = 22 × 53. • Order fractions by writing with common denominators or dividing
and converting to decimals.
• Calculate squares, positive and negative square roots, cubes and
3 • Add and subtract fractions and mixed numbers; calculate fractions of
cube roots; use the notation 49 and 64 and index notation for
quantities (fraction answers); multiply and divide an integer by a
positive integer powers.
fraction.
Place value, ordering and rounding
• Calculate and solve problems involving percentages of quantities and
• Read and write positive integer powers of 10; multiply and divide percentage increases or decreases; express one given number as a
integers and decimals by 0.1, 0.01. fraction or percentage of another.

• Order decimals, including measurements, making use of the =, ≠, > • Use equivalent fractions, decimals and percentages to compare
and < signs. different quantities.

• Round whole numbers to a positive integer power of 10, e.g. 10, 100, • Simplify ratios, including those expressed in different units; divide a
1000 or decimals to the nearest whole number or one or two quantity into more than two parts in a given ratio.
decimal places.
• Use the unitary method to solve simple problems involving ratio and
direct proportion.


Stage 8

Number (continued) Addition and subtraction

Calculation • Consolidate adding and subtracting integers and decimals, including
numbers with differing numbers of decimal places.
Stage 8

Mental strategies
Multiplication and division
• Use known facts to derive new facts, e.g. given 20 × 38 = 760, work
out 21 × 38. • Divide integers and decimals by a single-digit number, continuing the
division to a specified number of decimal places, e.g. 68 ÷ 7.
• Recall squares to 20 × 20, cubes to 5 × 5 × 5, and corresponding
roots. • Multiply and divide integers and decimals by decimals such as 0.6 or
0.06, understanding where to place the decimal point by considering
• Recall simple equivalent fractions, decimals and percentages. equivalent calculations, e.g. 4.37 × 0.3 = (4.37 × 3) ÷ 10,
92.4 ÷ 0.06 = (92.4 × 100) ÷ 6.
• Use known facts and place value to multiply and divide simple
fractions.

• Use known facts and place value to multiply and divide simple
decimals, e.g. 0.07 × 9, 2.4 ÷ 3.

• Use known facts and place value to calculate simple fractions and
percentages of quantities.

• Recall relationships between units of measurement.

• Solve simple word problems including direct proportion problems.

• Use the laws of arithmetic and inverse operations to simplify
calculations with integers and fractions.

• Use the order of operations, including brackets, with more complex
calculations.


Stage 8

Algebra Sequences, functions and graphs

Expressions, equations and formulae • Generate terms of a linear sequence using term-to-term and position-
to-term rules; find term-to-term and position-to-term rules of

Stage 8
• Know that letters play different roles in equations, formulae and sequences, including spatial patterns.
functions; know the meanings of formula and function.
• Use a linear expression to describe the nth term of a simple
• Know that algebraic operations, including brackets, follow the same arithmetic sequence, justifying its form by referring to the activity or
order as arithmetic operations; use index notation for small positive practical context from which it was generated.
integer powers.
• Express simple functions algebraically and represent them in
• Construct linear expressions. mappings.

• Simplify or transform linear expressions with integer coefficients; • Construct tables of values and use all four quadrants to plot the
collect like terms; multiply a single term over a bracket. graphs of linear functions, where y is given explicitly in terms of x;
recognise that equations of the form y = mx + c correspond to
• Derive and use simple formulae, e.g. to convert degrees Celsius (°C)
straight-line graphs.
to degrees Fahrenheit (°F).

• Substitute positive and negative integers into formulae, linear
expressions and expressions involving small powers, e.g. 3x2 + 4 or
2x3, including examples that lead to an equation to solve.

• Construct and solve linear equations with integer coefficients
(unknown on either or both sides, without or with brackets).


Stage 8

• Use a straight edge and compasses to construct:
Geometry
– the midpoint and perpendicular bisector of a line segment
Shapes and geometric reasoning
Stage 8

– the bisector of an angle
• Know that if two 2D shapes are congruent, corresponding sides and
angles are equal. • Use a ruler and compasses to construct
• Classify quadrilaterals according to their properties, including – circles and arcs
diagonal properties.
– a triangle, given three sides (SSS)
• Know that the longest side of a right-angled triangle is called the
hypotenuse. – a triangle, given a right angle, hypotenuse and one side (RHS)

• Identify alternate angles and corresponding angles. Position and movement

• Understand a proof that: • Find the midpoint of the line segment AB, given the coordinates of
points A and B.
– the angle sum of a triangle is 180° and that of a quadrilateral is
360° • Transform 2D shapes by rotation, reflection and translation, and
simple combinations of these transformations.
– the exterior angle of a triangle is equal to the sum of the two
interior opposite angles • Understand and use the language and notation associated with
enlargement; enlarge 2D shapes, given a centre of enlargement and
• Solve geometrical problems using properties of angles, of parallel a positive integer scale factor.
and intersecting lines, and of triangles and special quadrilaterals,
explaining reasoning with diagrams and text. • Interpret and make simple scale drawings.

• Draw simple nets of solids, e.g. cuboid, regular tetrahedron, square-
based pyramid, triangular prism.

• Identify all the symmetries of 2D shapes.


Stage 8

Measure Handling data
Length, mass and capacity Planning and collecting data

Stage 8
• Choose suitable units of measurement to estimate, measure, • Identify and collect data to answer a question; select the method of
calculate and solve problems in a range of contexts, including units collection, sample size and degree of accuracy needed for
of mass, length, area, volume or capacity. measurements.

• Know that distances in the USA, the UK and some other countries • Know the difference between discrete and continuous data.
are measured in miles, and that one kilometre is about 5 of a mile.
8
• Construct and use:
Time and rates of change
– frequency tables with given equal class intervals to gather
• Draw and interpret graphs in real life contexts involving more than continuous data
one component, e.g. travel graphs with more than one person.
– two-way tables to record discrete data
Area, perimeter and volume
Processing and presenting data
• Know the definition of a circle and the names of its parts; know and
use formulae for the circumference and area of a circle. • Calculate statistics for sets of discrete and continuous data;
recognise when to use the range, mean, median and mode and, for
• Derive and use formulae for the area of a triangle, parallelogram and grouped data, the modal class.
trapezium; calculate areas of compound 2D shapes, and lengths,
surface areas and volumes of cuboids. • Draw, and interpret:

• Use simple nets of solids to work out their surface areas. – frequency diagrams for discrete and continuous data

– pie charts

– simple line graphs for time series

– stem-and-leaf diagrams


Stage 8

Handling data (continued) Problem solving
Interpreting and discussing results Using techniques and skills in solving mathematical problems
Stage 8

• Interpret tables, graphs and diagrams for discrete and continuous • Calculate accurately, choosing operations and mental or written
data, and draw conclusions, relating statistics and findings to the methods appropriate to the numbers and context.
original question.
• Use the order of operations, including brackets, with more complex
• Compare two distributions, using the range and one or more of the calculations.
mode, median and mean.
• Manipulate numbers, algebraic expressions and equations, and apply
• Compare proportions in two pie charts that represent different totals. routine algorithms.

Probability • Understand everyday measurement systems, using them to
estimate, measure and calculate.
• Know that if the probability of an event occurring is p, then the
probability of it not occurring is 1 – p. • Recognise and use spatial relationships in two and three dimensions.

• Find probabilities based on equally likely outcomes in practical • Draw accurate mathematical diagrams, graphs and constructions.
contexts.
• Estimate, approximate and check working.
• Find and list systematically all possible mutually exclusive outcomes
for single events and for two successive events. • Solve word problems involving calculations with whole numbers,
fractions, percentages, decimals, money or measures, including
• Compare estimated experimental probabilities with theoretical multi-step problems.
probabilities, recognising that:

– when experiments are repeated different outcomes may result

– increasing the number of times an experiment is repeated
generally leads to better estimates of probability


Stage 8

Problem solving (continued)
Using understanding and strategies in solving problems

Stage 8
• Identify the mathematical features of a context or problem; try out
and compare mathematical representations using accurate notation.

• Conjecture and generalise, identifying exceptional cases or counter-
examples.

• Use logical argument to interpret the mathematics in a context or to
establish the truth of a statement.

• Give accurate solutions appropriate to the context or problem.

• Record and compare reasoning, solutions and conclusions.

• Refine approaches and findings on the basis of discussions with
others.


Stage 9

• Solve problems involving percentage changes, choosing the correct
Number numbers to take as 100% or as a whole, including simple problems
Integers, powers and roots involving personal or household finance, e.g. simple interest,
discount, profit, loss and tax.
• Add, subtract, multiply and divide directed numbers.
• Recognise when fractions or percentages are needed to compare
• Estimate square roots and cube roots. different quantities.
• Use positive, negative and zero indices and the index laws for • Compare two ratios; interpret and use ratio in a range of contexts.
multiplication and division of positive integer powers.
Stage 9

• Recognise when two quantities are directly proportional; solve
Place value, ordering and rounding problems involving proportionality, e.g. converting between different
1 currencies.
• Recognise the equivalence of 0.1, 10 and 10–1; multiply and divide
whole numbers and decimals by 10 to the power of any positive or Calculation
negative integer.
Mental strategies
• Round numbers to a given number of decimal places or significant
figures; use to give solutions to problems with an appropriate degree • Extend mental methods of calculation, working with decimals,
of accuracy. fractions, percentages and factors, using jottings where appropriate.

• Use the order of operations, including brackets and powers. • Solve word problems mentally.

Fractions, decimals, percentages, ratio and proportion • Consolidate use of the rules of arithmetic and inverse operations to
simplify calculations.
• Consolidate writing a fraction in its simplest form by cancelling
common factors. Multiplication and division

• Add, subtract, multiply and divide fractions, interpreting division as a • Multiply by decimals, understanding where to position the decimal
multiplicative inverse, and cancelling common factors before point by considering equivalent calculations; divide by decimals by
multiplying or dividing. transforming to division by an integer.

• Recognise the effects of multiplying and dividing by numbers
between 0 and 1.


Stage 9

• Understand and use inequality signs (<, >, Y, [); construct and solve
Algebra
linear inequalities in one variable; represent the solution set on a
Expressions, equations and formulae number line.

• Know the origins of the word algebra and its links to the work of the Sequences, functions and graphs
Arab mathematician Al’Khwarizmi.
• Generate terms of a sequence using term-to-term and position-to-
• Use index notation for positive integer powers; apply the index laws term rules.
for multiplication and division to simple algebraic expressions.
• Derive an expression to describe the nth term of an arithmetic

Stage 9
• Construct algebraic expressions. sequence.

• Simplify or transform algebraic expressions by taking out single-term • Find the inverse of a linear function.
common factors.
• Construct tables of values and plot the graphs of linear functions,
• Add and subtract simple algebraic fractions. where y is given implicitly in terms of x, rearranging the equation into
the form y = mx + c; know the significance of m and find the
• Derive formulae and, in simple cases, change the subject; use gradient of a straight line graph.
formulae from mathematics and other subjects.
• Find the approximate solutions of a simple pair of simultaneous
• Substitute positive and negative numbers into expressions and linear equations by finding the point of intersection of their graphs.
formulae.
• Use systematic trial and improvement methods to find approximate
• Construct and solve linear equations with integer coefficients (with solutions of equations such as x 2 + 2x = 20 (1, 2 and 7).
and without brackets, negative signs anywhere in the equation,
positive or negative solution); solve a number problem by • Construct functions arising from real-life problems; draw and
constructing and solving a linear equation. interpret their graphs.

• Solve a simple pair of simultaneous linear equations by eliminating • Use algebraic methods to solve problems involving direct proportion,
one variable. relating solutions to graphs of the equations.

• Expand the product of two linear expressions of the form x ± n and
simplify the corresponding quadratic expression.


Stage 9

Geometry Position and movement

Shapes and geometric reasoning • Tessellate triangles and quadrilaterals and relate to angle sums and
half-turn rotations; know which regular polygons tessellate, and
• Calculate the interior or exterior angle of any regular polygon; prove explain why others will not.
and use the formula for the sum of the interior angles of any polygon;
prove that the sum of the exterior angles of any polygon is 360°. • Use the coordinate grid to solve problems involving translations,
rotations, reflections and enlargements.
• Solve problems using properties of angles, of parallel and
intersecting lines, and of triangles, other polygons and circles, • Transform 2D shapes by combinations of rotations, reflections and
Stage 9

justifying inferences and explaining reasoning with diagrams and translations; describe the transformation that maps an object onto
text. its image.

• Draw 3D shapes on isometric paper. • Enlarge 2D shapes, given a centre and positive integer scale factor;
identify the scale factor of an enlargement as the ratio of the lengths
• Analyse 3D shapes through plans and elevations. of any two corresponding line segments.

• Identify reflection symmetry in 3D shapes. • Recognise that translations, rotations and reflections preserve length
and angle, and map objects on to congruent images, and that
• Use a straight edge and compasses to:
enlargements preserve angle but not length.
– construct the perpendicular from a point to a line and the
• Know what is needed to give a precise description of a reflection,
perpendicular from a point on a line
rotation, translation or enlargement.
– inscribe squares, equilateral triangles, and regular hexagons and
• Use bearings (angles measured clockwise from the north) to solve
octagons by constructing equal divisions of a circle
problems involving distance and direction.
• Know and use Pythagoras’ theorem to solve two-dimensional
• Make and use scale drawings and interpret maps.
problems involving right-angled triangles.
• Find by reasoning the locus of a point that moves at a given distance
from a fixed point, or at a given distance from a fixed straight line.


Stage 9

Measure Handling data
Length, mass and capacity Planning and collecting data

• Solve problems involving measurements in a variety of contexts. • Suggest a question to explore using statistical methods; identify the
sets of data needed, how to collect them, sample sizes and degree
Time and rates of change of accuracy.
• Solve problems involving average speed. • Identify primary or secondary sources of suitable data.

Stage 9
• Use compound measures to make comparisons in real-life contexts, • Design, trial and refine data collection sheets.
e.g. travel graphs and value for money.
• Collect and tabulate discrete and continuous data, choosing suitable
Area, perimeter and volume equal class intervals where appropriate.
• Convert between metric units of area, e.g. mm2 and cm2, cm2 and m2 Processing and presenting data
and volume, e.g. mm3 and cm3, cm3 and m3; know and use the
relationship 1 cm3 = 1 ml. • Calculate statistics and select those most appropriate to the
problem.
• Know that land area is measured in hectares (ha), and that
1 hectare = 10 000 m2; convert between hectares and square metres. • Select, draw, and interpret diagrams and graphs, including:

• Solve problems involving the circumference and area of circles, – frequency diagrams for discrete and continuous data
including by using the π key of a calculator.
– line graphs for time series
• Calculate lengths, surface areas and volumes in right-angled prisms
and cylinders. – scatter graphs to develop understanding of correlation

– back to back stem-and-leaf diagrams


Stage 9

Handling data (continued) Problem solving
Interpreting and discussing results Using techniques and skills in solving mathematical problems

• Interpret tables, graphs and diagrams and make inferences to • Calculate accurately, choosing operations and mental or written
support or cast doubt on initial conjectures; have a basic methods appropriate to the numbers and context.
understanding of correlation.
• Manipulate numbers, algebraic expressions and equations, and apply
• Compare two or more distributions; make inferences, using the routine algorithms.
shape of the distributions and appropriate statistics.
Stage 9

• Understand everyday systems of measurement and use them to
• Relate results and conclusions to the original question. estimate, measure and calculate.

Probability • Recognise and use spatial relationships in two dimensions and three
dimensions.
• Know that the sum of probabilities of all mutually exclusive outcomes
is 1 and use this when solving probability problems. • Draw accurate mathematical diagrams, graphs and constructions.

• Find and record all outcomes for two successive events in a sample • Decide how to check results, by:
space diagram.
– using rounding to estimate numbers to one significant figure and
• Understand relative frequency as an estimate of probability and use calculating mentally then comparing with the estimate
this to compare outcomes of experiments in a range of contexts.
– considering whether an answer is reasonable in the context of the
problem

– using inverse operations

• Estimate, approximate and check their working. Solve a range of
word problems involving single or multi-step calculations.


Stage 9

Problem solving (continued)
Using understanding and strategies in solving problems

• Identify, organise, represent and interpret information accurately in
written, tabular, graphical and diagrammatic forms.

• Explore the effect of varying values in order to generalise.

• Find a counter-example to show that a conjecture is not true.

Stage 9
• Present concise, reasoned arguments to justify solutions or
generalisations using symbols, diagrams or graphs and related
explanations.

• Recognise the impact of constraints or assumptions.

• Recognise connections with similar situations and outcomes.

• Consider and evaluate the efficiency of alternative strategies and
approaches and refine solutions in the light of these.


Secondary 1 maths curriculum framework

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Secondary 1 maths curriculum framework

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