Chapter 5 Add & Subtract Decimals
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Estimate. 4.92 + 2.16
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Find the value. 8 - 6.92
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(74 + 63) + 35 = 74 + (63 + 35)
3.210 + .075 = .075 + 3.210
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7. How can you use the associative property to solve the equation below mentally? Show your work and explain your thinking.
(18 + 14) + 6 = ___
8. Company A has a budget of $23.87 million and Company B has a budget of $14.22 million. What is the difference between the two budgets if each is rounded to the nearest tenth of a million?
9) Mrs. Holtmann bought a pair of jeans for $49.99 and a shirt for $23.59.? If she paid with a $100.00 bill, how much change would she get back?
10) The coach recorded how fast his runners ran 1 mile. Quinn ran a mile in 9.26 minutes, Jack ran a mile in 11.64 minutes, and Aidin ran a mile in 10.36 minutes. How much faster did Quinn run than Aidin?
11) Add using the decimal model. Shade the model to show your answer. Write your answer.
1.56 + 2.04
12) Subtract using the decimal model. Shade the model to show your answer. Write your answer.
2.72 - 0.9
13) Look at the following model. Circle the expressions that could match the model.
1.13 + .24 1.2 + 1.70 0.37 + 1.01
1.28 + .09 1 + 0.037 6.39 - 5.02
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