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GCF/LCM. Decimals. Fractions. Decimals & Fractions. Mixed. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. What is the LCM of 8 and 10?. 2 4 40 80. c. 40.

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  1. GCF/LCM Decimals Fractions Decimals & Fractions Mixed 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

  2. What is the LCM of 8 and 10? 2 4 40 80

  3. c. 40

  4. What is the GCF of 16, 20, and 32?

  5. 4

  6. A store sells pencils in packs of 12 and erasers in packs of 7. Sara wants to buy an equal number of pencils & erasers. What is the minimum number of pencils Sara has to buy?A. 12 b. 84 c. 60 d. 36

  7. b. 84

  8. The PTA is making school supply kits. They have 90 pens, 45 folders, & 30 rulers. What is the greatest number of kits they can make if each supply is divided equally among the kits?

  9. 15

  10. Find the LCM of 6, 8, and 5.

  11. 120

  12. Find the sum. 46.22 + 67.8

  13. 114.02

  14. What is the product of 5.6 and 1.15?

  15. 6.44

  16. The water machine at a local grocery store fills a jug with 3.7 liters of water. If you fill 5 jugs, how many liters of water is that?

  17. 18.5

  18. Luke drove 155.8 miles in 4 days. How many miles did he drive each day?

  19. 38.95

  20. Hannah drove 351 miles in 5.4 hours. What was her average speed in miles per hour?

  21. 65

  22. 7/10 ÷ 1/5

  23. 3 1/2

  24. 4 2/3 ÷ 1 1/2

  25. 3 1/9

  26. You get 15 pints of ice cream for your birthday party. If each guest gets ¾ pint, how many guests can be served?

  27. 20

  28. Zoey’s dad paid $3.20 for ¼ pound of food for their horses. How much did the food cost per pound?

  29. $12.80

  30. If you have 16 ½ pounds of candy, how many 1 ½ pound bags can you fill?

  31. 11

  32. 4/11 ÷ 5

  33. 4/55

  34. 32.45

  35. A scientist puts 40.7 milligrams of material into a beaker. She then removes 8.25 milligrams of material. How much material remains in the beaker?

  36. 32.45

  37. Avery put 3 ½ pounds of pecans into ¼ pound bags. How many bags did Avery fill?

  38. 14

  39. Janie drove 750 miles in 12.5 hours. What is her average speed in miles per hour?

  40. 60

  41. Which expression is equivalent to 15 + 35? 5(5+6) c. 2(7+17) 7(2+5) d. 5(3+7)

  42. d

  43. Which expression is equivalent to 12(11+9)? 120 + 108 c. 121 + 96 132 + 108 d. 132 + 112

  44. b

  45. There are 458 students in a middle school. Each school bus holds 35 students. If every student in school rides a bus, how many buses will be needed to transport all the students?

  46. 14

  47. An aquarium has 2,700 fish. The owner wants 23 fish in each fish tank. How many fish tanks does the owner need?

  48. 118

  49. Write 2 expressions equivalent to 21 + 147.

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