2. 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt Add Fractions Subtract Fractions Multiply Fractions Divide Fractions Models

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9. In a 400 meter relay, the 1st person ran her part in min., the 2nd in min., the 3rd in min., and the 4th in min. How long did it take their team to run the race?

10. What is min. ?

11. An alligator is feet long. Its tail is as long as its total length. How long is the alligator’s tail?

12. What is feet ?

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14. What is ?

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20. What is ?

21. The US Geological Survey measured the depth of a river channel during flooding. The difference between the highest and lowest depths was feet. If the lowest reading was feet, what was the highest reading?

22. What is feet ?

23. x

24. What is ?

25. 22 x

26. What is ?

27. x

28. What is 10 ?

29. of 25

30. What is ?

31. I’m thinking of a fraction. If I divide it by, I get. What fraction am I thinking of?

32. What is ?

33. ÷

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35. ÷ 4

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37. ÷

38. What is ?

39. John has pounds of beef to make hamburgers for a barbeque. He is going to make pound burgers. What is the maximum number he can make?

40. What is 35 burgers ?

41. A recipe for ginger cookies requires cups of sugar to make 3 dozen cookies. How many cups of sugar are required to make 20 dozen ginger cookies?

42. What is 30 cups ?

43. Model

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45. Model ÷

46. What is 10 ?

47. Model

48. What is ?

49. Model:

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51. Model ÷

52. What is ?