Adding and Subtracting Decimals. Rules for adding or subtracting decimals: (1) Line up the numbers by the decimal point.

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Presentation transcript:

Adding and Subtracting Decimals

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

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.

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

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.

Examples:

Examples: