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Home > CC2 > Chapter 9 > Lesson 9.1.1 > Problem 9-20

9-20.

Copy each problem. Then find the sum, difference, product, or quotient. Remember to show all of your steps.  

Compute without a calculator

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    To add numbers with decimals remember to line up the decimal points.

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    See part (a).

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    To find the difference between numbers with decimals remember to line up the decimal points.

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    See part (c).

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    Remember, when you multiply numbers with decimals, you do not need to line up the decimal points.

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    Remember to add a decimal and zero. Fifty five divided by is not a whole number.