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AIM: Solving Inequalities with
Addition and Subtraction
                       Do Now




                                 1
Weekly Quiz #3
Evaluate the following using the order of
operations. [2 points]
        1.) -9 ÷ (-3)   2 - 16



        2.) -5(-4 + 2   5)2




 Solve and check the following equations.
 [6 points]

  3.) x - 5 = -3           4.) -36 = 4x




5.) -9x + 27 = -36               x
                          6.)        - 15 = -5
                                 2




                                                 2
3
4
5
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?




                                                                  6
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?



    x + 10 = 16




                                                                  7
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?



    x + 10 = 16                      x + 10 ≥ 16




                                                                  8
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?



    x + 10 = 16                      x + 10 ≥ 16
       -10 -10                          -10 -10




                                                                  9
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?



    x + 10 = 16                      x + 10 ≥ 16
       -10 -10                          -10 -10

        x=6                              x≥6




                                                                  10
Anticipatory Set:

       Explain the differences in the following two
       word problems.


1. Eddie has $10. How much     2. Allison needs at least $16
more money does he need to     dollars to buy a shirt. How much
buy a shirt that costs $16?    more money does she need if she
                               already has $10?



    x + 10 = 16                      x + 10 ≥ 16
       -10 -10                          -10 -10

        x=6                              x≥6




                                                                  11
Think-Pair-Share Activity


A.) x + 4 > 2




                               12
B.) x - 5 ≤ -3




C.) 2 ≥ m + 2




                 13
D.) -15 < x - 7




                  14
F.) -5 > x - 8




                 15
Extra Practice


More Extra Practice




                      16
BEFORE YOU LEAVE

An airline lets you check no more than 65 pounds of luggage.
One suitcase weighs 37lbs. How much can another suitcase
weigh?




                                                               17
Mr. Tjersland's Math 7




Homework: Pages 580-581 #8-13 all, 20, 21, 41




                                                18
AIM: Solving Inequalities with
Addition and Subtraction



   A.) x + 4 > 2




   D.) -15 < x - 7




                                 19
Attachments



     Honors Cumulative Review Sheet 4.doc

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Day 13 solving one step ineq add subt

  • 1. AIM: Solving Inequalities with Addition and Subtraction Do Now 1
  • 2. Weekly Quiz #3 Evaluate the following using the order of operations. [2 points] 1.) -9 ÷ (-3) 2 - 16 2.) -5(-4 + 2 5)2 Solve and check the following equations. [6 points] 3.) x - 5 = -3 4.) -36 = 4x 5.) -9x + 27 = -36 x 6.) - 15 = -5 2 2
  • 3. 3
  • 4. 4
  • 5. 5
  • 6. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? 6
  • 7. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? x + 10 = 16 7
  • 8. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? x + 10 = 16 x + 10 ≥ 16 8
  • 9. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? x + 10 = 16 x + 10 ≥ 16 -10 -10 -10 -10 9
  • 10. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? x + 10 = 16 x + 10 ≥ 16 -10 -10 -10 -10 x=6 x≥6 10
  • 11. Anticipatory Set: Explain the differences in the following two word problems. 1. Eddie has $10. How much 2. Allison needs at least $16 more money does he need to dollars to buy a shirt. How much buy a shirt that costs $16? more money does she need if she already has $10? x + 10 = 16 x + 10 ≥ 16 -10 -10 -10 -10 x=6 x≥6 11
  • 13. B.) x - 5 ≤ -3 C.) 2 ≥ m + 2 13
  • 14. D.) -15 < x - 7 14
  • 15. F.) -5 > x - 8 15
  • 17. BEFORE YOU LEAVE An airline lets you check no more than 65 pounds of luggage. One suitcase weighs 37lbs. How much can another suitcase weigh? 17
  • 18. Mr. Tjersland's Math 7 Homework: Pages 580-581 #8-13 all, 20, 21, 41 18
  • 19. AIM: Solving Inequalities with Addition and Subtraction A.) x + 4 > 2 D.) -15 < x - 7 19
  • 20. Attachments Honors Cumulative Review Sheet 4.doc