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Chapter 9

Chapter 9. Question 1 - 10. Find the value of the expression. (3 x 8) + 5. Answer 1 – 10. 29. Question 1 - 20. Find the value of the expression. 34 – (4 x 4). Answer 1 – 20. 18. Question 1 - 30. Write an expression to match the words.

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Chapter 9

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  1. Chapter 9

  2. Question 1 - 10 Find the value of the expression. (3 x 8) + 5

  3. Answer 1 – 10 29

  4. Question 1 - 20 Find the value of the expression. 34 – (4 x 4)

  5. Answer 1 – 20 18

  6. Question 1 - 30 Write an expression to match the words. Tyler has $25. She wants to buy 4 movie tickets at $3 each for herself and her friends. How much money will she have left over?

  7. Answer 1 – 30 25 – (4 x 3)

  8. Question 1 - 40 Write an expression to match the words. Camille is decorating frames with seashells. She makes 6 frames with 4 seashells each. She has 3 shells left over. How many shells did she start with?

  9. Answer 1 – 40 (6 x 4) + 3

  10. Question 1 - 50 Write an expression to match the words, then solve. Lauren had $8 and then worked 4 hours for $5 each hour. How much money does Lauren have now?

  11. Answer 1 – 50 8 + (4 x 5) $28

  12. Question 2 - 10 Is the order of operations listed correctly or incorrectly? 4 x (9+2) Add, multiply

  13. Answer 2 – 10 Correctly

  14. Question 2 - 20 Is the order of operations listed correctly or incorrectly? 72 ÷ (2+6) Divide, add

  15. Answer 2 – 20 Incorrectly

  16. Question 2 - 30 Follow the order of operations to find the value of the expression. 5 + 4 x 6

  17. Answer 2 – 30 29

  18. Question 2 - 40 Follow the order of operations to find the value of the expression 5 x (23 – 18) + 7

  19. Answer 2 – 40 32

  20. Question 2 - 50 Follow the order of operations to find the value of the expression (78 – 24) ÷ 9 - 3

  21. Answer 2 – 50 3

  22. Question 3 - 10 Solve the equation. 21 = a x 7

  23. Answer 3 – 10 A = 3

  24. Question 3 - 20 Solve the equation. 48 ÷ c = 6

  25. Answer 3 – 20 C = 8

  26. Question 3 - 30 Write an equation using a variable that matches the words. 8 students in each of 8 groups is the total number of students.

  27. Answer 3 – 30 8 x 8 = s

  28. Question 3 - 40 Write an equation using a variable that matches the words. Some pencils in each of 5 boxes is a total of 50 pencils.

  29. Answer 3 – 40 5b = 50

  30. Question 3 - 50 Write an equation using a variable that matches the words. Solve for your variable. A number of ice cubes divided equally among 7 glasses is 5 ice cubes.

  31. Answer 3 – 50 N ÷ 7 = 5 N = 35

  32. Question 4 - 10 Divide both sides of the equation by 4. What is the new value of each side? 2 x 6 = 3 x 4

  33. Answer 4 – 10 3 = 3

  34. Question 4 - 20 Multiply both sides of the equation by 8. What is the new value of each side? 6 = 2 x 3

  35. Answer 4 – 20 48 = 48

  36. Question 4 - 30 Divide both sides of the equation by 2. What is the new value of each side? (3 + 7) = (2 x 5)

  37. Answer 4 – 30 5 = 5

  38. Question 4 - 40 Multiply both sides of the equation by 6. What is the new value of each side? 5 pennies = 1 nickel

  39. Answer 4 – 40 30 cents = 30 cents

  40. Question 4 - 50 Multiply both sides of the equation by 5. What is the new value of each side? 1 dime 2 pennies = 2 nickels 2 pennies

  41. Answer 4 – 50 60 cents = 60 cents

  42. Question 5 - 10 Find a rule. Write the rule as an equation. Input x 21 28 35 42 Output y 3 4 5 6

  43. Answer 5 – 10 Rule: Divide by 7 Equation: x ÷ 7 = y

  44. Question 5 - 20 Work backward to solve. Jimmy had 14 model cars. He gave some away as gifts. Then he got 3 more. Now he has 12 model cars. How many cars did Jimmy give away?

  45. Answer 5 – 20 Jimmy gave away 5 cars

  46. Question 5 - 30 Write an equation and work backward to solve. Tommy had 3 nickels. Angela gave him some quarters. Now he has 90 cents. How much money did Angela give him?

  47. Answer 5 – 30 Equation: (3 x 5) + m = 90 Solve: Angela gave 75 cents, or 3 quarters Or m = 75 cents

  48. Question 5 - 40 Find a rule. Write the rule as an equation. Find the missing numbers. Input w ___ ___ 6 8 10 12 Output z 24 48 72 96 120 144

  49. Answer 5 – 40 Rule: Multiply by 12 Equation: w x 12 = z Missing numbers: 2,4

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