What are some ideas on adding and subtracting decimals?

Answer by  SBryant (32)

When adding and subtracting decimals, always be sure that the decimal points are aligned to that you're adding tenths, hundredths, etc. properly. Also, carefully count any leading zeroes in the numbers being added and subtracted.

Answer by  blimpie181 (23)

When adding and subtracting decimals, it is very important to remember to line up the decimal point. Otherwise, your answer will be incorrect.