# 1.13 Module one DBA

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**carnold33**

Last updated 9 years ago

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po 1 . 13 Module One Review

1. Estimate 48.65 – 9.5. Explain your method.

2. Solve this expression 40 / 5 + 5 (22 – 1)and then change the ( ) and solve the new problem.

3. Solve 42.45 / 8.2 to the nearest tenth. Check your answer using two estimation methods. Show your work.

4. Explain how applying the Commutative Property of Addition to 27.5 + 24.9 + 2.5 makes it easier to solve. Show the solution in your explaination.

5. Explain how applying the Associative Property of Multiplication to (26 x 25) x 4 makes it easier to solve. Show the solution in your explaination.

Good Luck

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