1. P RACTICE AND R EVIEW

2. 1, 2, 3, 4, 6, 12 12:32: 1, 2, 4, 8, 16, 32

3. 1, 2, 4, 8 8: 8:16: 1, 2, 4, 8, 16

4. n multiplied by 9 9 × n

5. the difference of 27 and 15 27 − 15

6. 38 more than n n + 38

7. the quotient of 200 and 40 200 ÷ 40

8. nine doubled 9 + 9 or 2 × 9

9. the sum of 45 and 11 45 + 11

10. 144 divided by 12 144 ÷ 12

11. the product of 76 and 925 76 × 925

12. Read What is the question asking you to find? Analyze What information is given? Problem-Solving Plan

13. Plan What strategy can you use? What equation can you write? Solve Apply your plan to solve the problem. Problem-Solving Plan

14. Check Does your answer make sense? Problem-Solving Plan

15. Mrs. Gonzales has 8,652 books to place on shelves in the Science section of the new library. She wants to place 68 books on each shelf. How many shelves will she use for the Science section? 8,652 ÷ 68 =

16. 68 865 6 8 1 85 − 36 492 −76 16 r16127 −,2 ××× 70 716 1 1 715 5 4 812 7 ÷ 7 = 1 14 ÷ 7 = 2 estimate range: 100−200 estimate range: 100−200 14 ÷ 7 = 2 21 ÷ 7 = 3 49 ÷ 7 = 7 56 ÷ 7 = 8

17. Mrs. Gonzales has 8,652 books to place on shelves in the Science section of the new library. She wants to place 68 books on each shelf. How many shelves will she use for the Science section? 8,652 ÷ 68 = 128 shelves

18. An assembly line bin contains 1,759 pens. Fourteen pens are placed in each package on the assembly line. How many packages can be filled using the pens in the bin? After whole packages are made, what fraction of a package will remain? 1,759 ÷ 14 =

19. 14 175 1 4 35 − 42 13 −,9 ××× 1 10 10 ÷ 10 = 1 20 ÷ 10 = 2 estimate range: 100−200 30 ÷ 10 = 3 40 ÷ 10 = 4

20. 14 175 1 4 35 − 28 79 −98 127 −,9 ××× 2 10 215 80 ÷ 10 = 8 70 ÷ 10 = 7

21. 14 175 1 4 35 − 28 79 −84 126 −,9 ××× 2 10 215

22. 14 175 1 4 35 − 28 79 −70 9 125 −,9 ××× 2 10 215 r 9

23. An assembly line bin contains 1,759 pens. Fourteen pens are placed in each package on the assembly line. How many packages can be filled using the pens in the bin? After whole packages are made, what fraction of a package will remain? 1,759 ÷ 14 = 125 9 14 9 14 r9packages

24. Mrs. Madison and Chloe went grocery shopping. They bought 2 pounds of ground beef for $2.29 a pound and a five-pound roast for $9.97. It took them 15 minutes to do their grocery shopping. What was the total cost of all the meat?

25. $2.29 × 2 $4.58 1 $4.58 + $9.97 $14.55 1 1 $2.29$2.29 $14.55 2 1

26. Mrs. Madison and Chloe went grocery shopping. They bought 2 pounds of ground beef for $2.29 a pound and a five-pound roast for $9.97. It took them 15 minutes to do their grocery shopping. What was the total cost of all the meat? (2 × $2.29) + $9.97 = $14.55

27. The secretary at Temple Christian School figured that each classroom averaged 5 absences during each of the 4 weeks in the month of March. What was the total number of absences at the school during that month? (5 × 25) × 4 =

28. 25 × 5 125 2 125 × 4 500 2 1

29. The secretary at Temple Christian School figured that each classroom averaged 5 absences during each of the 4 weeks in the month of March. What was the total number of absences at the school during that month? (5 × 25) × 4 = 500 absences

30. In 2010, Great-grandpa Emery went to an estate sale. He bought 4 antique chairs and a box containing 1,255 vintage baseball cards. He divided the cards equally among his great- grandchildren. Each great- grandchild received 43 baseball cards. How many great- grandchildren does he have? 1,255 ÷ 43 =

31. 43 125 8 6 39 − 38 5 7 29 −,5 2 115 815 8 0 11 r8

32. In 2010, Great-grandpa Emery went to an estate sale. He bought 4 antique chairs and a box containing 1,255 vintage baseball cards. He divided the cards equally among his great- grandchildren. Each great- grandchild received 43 baseball cards. How many great- grandchildren does he have? 1,255 ÷ 43 = 29 great-grandchildren

33. 1 18 469 3 6 1 09 − 08 18 −18 0 261 −,8 1 1 4 There are ____ chairs in each row. 261

34. 2 63 648 6 3 18 − 89 0 9 103 −,9 1 Each student collected ____ bugs. 103

35. 3 37 462 3 7 92 − 74 15 −85 0 125 −,5 13 Each boy made ____ airplanes. 125 316 812 8 1

36. 15 Isabella read 2,492 pages for a reading contest. If 90 pages count as one book read, how many books will she get credit for reading? 2,492 ÷ 90 =

37. 15 90 249 1 8 69 − 30 6 2 2 27 −,2 6 0 114 r62

38. Isabella read 2,492 pages for a reading contest. If 90 pages count as one book read, how many books will she get credit for reading? 2,492 ÷ 90 = 27 books

39. 17 The ladies made 492 sandwiches for the Sunday school picnic. They placed 25 sandwiches in each basket. How many more sandwiches were needed for the picnic? not enough information to solve

40. 19 The amusement park recorded 22,307 visitors for the week. It was open Monday through Saturday. What was the average number of visitors to the park each day? 22,307 ÷ 6 =

41. 19 62230 18 43 −42 1 7 −6 2 4 371 −,7 112 0 7 010 −4 5 r5,

42. The amusement park recorded 22,307 visitors for the week. It was open Monday through Saturday. What was the average number of visitors to the park each day? 22,307 ÷ 6 = 3,717 visitors