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Adding and Subtracting Decimals PowerPoint Presentation
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Adding and Subtracting Decimals

Adding and Subtracting Decimals

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Adding and Subtracting Decimals

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  1. Adding and Subtracting Decimals

  2. Rules for adding or subtracting decimals: (1) Line up the numbers by the decimal point.

  3. Rules for adding or subtracting decimals: (2) Annex zeros to make the same number of places behind the decimal point in all numbers in the problem.

  4. Rules for adding or subtracting decimals: (3) Add or subtract beginning on the far right side of the problem.

  5. Rules for adding or subtracting decimals: (4) Place the decimal point in the answer by bringing the decimal point straight down from the problem to the answer.

  6. Examples: 1 1 1 48.6 27.35 + 12.394 00 0 8 8 . 3 4 4

  7. Examples: 6 14 4 10 67.5 - 32.67 0 3 4 . 8 3