Compacted Mathematics: Chapter 3 Integers in Sports



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Solve each equation.

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Evaluate each expression if , , and .

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Solve each equation.

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Evaluate each expression if , , and .

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Activity 3-30: Multiplying Integers Name:



Find each product.

1. 4(20) 2. 6(12) 3. (8)(5)

4. (13)(3) 5. (10)(0) 6. (5)(16)

7. (9)(21) 8. 11(1) 9. 18(4)

10. 10(8) 11. 9(6) 12. 7(7)

Write a mathematical expression to represent each situation. Then find the value of the expression to solve the problem.

13. You play a game where you score 6 points on the first turn and on each of the next 3 turns. What is your score after those 4 turns?

14. The outdoor temperature declines 3 degrees each hour for 5 hours. What is the change in temperature at the end of those 5 hours?

15. You have $200 in a savings account. Each week for 8 weeks, you take out $18 for spending money. How much money is in your account at the end of 8 weeks?

16. The outdoor temperature was 8 degrees at midnight. The temperature declined 5 degrees during each of the next 3 hours. What was the temperature at 3 a.m.?

17. The price of a stock was $325 a share. The price of the stock went down $25 each week for 6 weeks. What was the price of that stock at the end of 6 weeks?


Activity 3-31: Multiplying Integers Name:



Find each product.

1. (14)(7) 2. (24)(5) 3. 12(12)

4. 15(9)(1) 5. 2(3)(4) 6. 3(6)(2)

7. 40(78)(0) 8. 6(60)(4) 9. 24(7)(7)



Write a mathematical expression to represent each situation. Then find the value of the expression to solve the problem.

10. A football team loses 4 yards on each of three plays. Then they complete a pass for 9 yards. What is the change in yardage after those four plays?

11. You have $220 in your savings account. You take $35 from your account each week for four weeks. How much is left in your account at the end of the four weeks?

12. A submarine is at 125 feet in the ocean. The submarine makes three dives of 50 feet each. At what level is the submarine after the three dives?



Find each product. Use a pattern to complete the sentences.

13. 1(1) __________ 14. 1(1)(1) __________ 15. 1(1)(1)(1) _________

16. 1(1) (1)(1)(1) __________ 17. 1(1)(1)(1)(1)(1) __________

18. When multiplying integers, if there is an odd number of negative factors, then the product is _________________.

If there is an even number of negative factors, then the product is _________________.
Activity 3-32: Multiplying Integers Name:

Find each product. The first one is done for you.

1. 3(2) 2. 5(0) 3. (1)(8)




6

4. (4)(7) 5. (3)(4) 6. (6)(6)

7. 10(5) 8. 2(9) 9. 7(10)

10. 1(1) 11. 2(6) 12. 2(2)



Write a mathematical expression to represent each situation. Then find the value of the expression to solve the problem. The first one is done for you.

13. You play a game where you score 3 points on the first 5 turns. What is your score after those 5 turns?




5(3) 15; 15 points

14. The outdoor temperature gets 1 degree colder each hour for 3 hours. What is the change in temperature at the end of those 3 hours?

15. A football team loses 4 yards on each of 2 plays. What is the change in yardage after those 2 plays?

16. You take $9 out of your savings account each week for 7 weeks. At the end of 7 weeks, what is the change in the amount in your savings account?

17. The price of a stock went down $5 each week for 5 weeks. What was the change in the price of that stock at the end of 5 weeks?

Activity 3-33: Multiplying Integers Name:



Complete the table below using your knowledge of integers as well as noticing the pattern that the table creates.

















5










15






















4










12






















3

0

3

6

9

12

15
















2










6






















1










3






















0










0







-5

-4

-3

-2

-1

x

0

1

2

3

4

5
















-1


































-2


































-3


































-4


































-5




















Activity 3-34: Multiplying Integers Name:

The multiplication table below contains 42 mistakes. Shade in each box that contains a mistake. You will end up with a famous farming expression.





X

2

-4

-9

6

3

8

-1

4

-8

-2

-6

7

-5

9

-7

-3

6

-12

-27

-18

9

-24

-3

12

-24

6

-18

-21

-15

27

-21

9

-18

-36

-81

54

-27

72

9

36

-72

-18

54

63

45

81

63

-6

12

-24

54

-36

18

-48

-6

24

48

12

-36

-42

-30

-54

-42

5

-10

-20

-45

30

-15

40

5

20

-40

-10

30

35

25

45

35

-7

14

-28

-63

-42

21

-56

-7

28

-56

14

-42

-49

-35

63

-49




Activity 3-35: Dividing Integers Name:

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