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: 48.6 27.35 + 12.394 00 0 44 1 3 1 8 1 8.

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