Cumulative Review. for Chapters 10 to 12. Concepts and Skills. 1. Connect the cards to show the steps for mental math
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1 Name: Date: Cumulative Review for Chapters 0 to 2 Concepts and Skills. Connect the cards to show the steps for mental math Add 0 to 64 Subtract 2 from the result Subtract 0 from 64 Subtract 4 from the result Add 0 to 84 Add 2 to the result Subtract 0 from 84 Add 4 to the result
2 Add mentally = = = = Subtract mentally = = = = Mark each number with an X on the number line. Then round each number to the nearest ten Marshall Cavendish International (Singapore) Private Limited Complete Write the numbers that give 50 when rounded to the nearest ten. 5. What is the smallest number that rounds to 0? 6. What is the greatest number that rounds to 80? 64
3 Name: Date: Add or subtract. Round each number to the nearest ten. Then estimate the sum or difference to check that your answer is reasonable = 874 is about. 67 is about. + =. So, is about. Is the answer reasonable? Explain = 545 is about. 79 is about. =. So, is about. Is the answer reasonable? Explain. 65
4 Circle the bills that make the amount shown. 9. Write the amount in numbers. 20. twenty-five cents $ or 2. thirty nine dollars $ 22. twelve dollars and ninety-seven cents $ Count the money. Then write the amount each way. 23. dollars and cents cents words 66
5 Name: Date: Circle the amount that is least. 24. $0.75 $7.98 $8.07 Circle the greatest amount. 25. $96.50 $96.72 $96.09 Shade the model to show the fraction Look at the model. Color 4 blue. Color 2 4 yellow. 28. What fraction of the model is colored. 29. What fraction of the model is not colored? 67
6 Shade each strip. Then write the fractions in order from greatest to least ,, greatest Write a fraction for the shaded part
7 Name: Date: Use your answers for Exercises 3 to 33. Fill in the blanks. 34. is out of 2 equal parts. 35. is 2 out of 3 equal parts is greater than. is less than Marshall Cavendish International (Singapore) Private Limited 38. is the least fraction. Find the missing fraction. Use models to help you. 39. Add 3 and =? 40. Subtract 3 4 from. 3 4? 3 4 = 69
8 Solve. Draw bar models to help you. Estimate to check your answers. 4. Teri folds 32 pieces of paper. Her sister folds 9 pieces. How many pieces do they fold in all? They fold pieces in all. 42. Edwin has 83. His father gives him 25 more. How much does he have now? He has $ now. 43. Jonas needs to deliver 34 newspapers. He has newspapers left in his bag. How many newspapers has he delivered? He has delivered newspapers. 70
9 Name: Date: 44. Adam wants to buy a bat for $23 and a baseball glove for $7. He has saved $9. How much more money does he need? He needs $ more. 45. An eraser costs 6 and a pencil costs 70. Marian buys two erasers and a pencil. How much does she spend? Marian spends $. 7
10 46. Mrs. Barry has $200 to buy new clothes. Round the cost of each item to the nearest ten. Then estimate the total cost. pants cost $44 a. 44 is when rounded to the nearest ten. shoes cost $59 b. 59 is when rounded to the nearest ten. socks cost $5 c. 5 is when rounded to the nearest ten. a blouse costs $28 d. 28 is when rounded to the nearest ten. total cost is $ Does Mrs. Barry have enough money to pay for all the items? Explain your answer. 72
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