How it works
Line up the points. Fill the gaps with zeros.
Work each place from the right.
Put the point straight down in the answer.
Worked examples
Adding
- 43.35 + 6.49 = ?
- Line up the points.
- Add hundredths, tenths, ones, tens.
- So the answer is 49.84.
Taking away
- 460.1 − 3.25 = ?
- Write 460.1 as 460.10 to line up.
- Break a ten or a one when you need to.
- So the answer is 456.85.
Three places
- 1951.455 + 627.721 = ?
- Line up the three decimal places.
- Add from the thousandths.
- So the answer is 2579.176.
A taste of the worksheet
These are the first problems of set A. The printable sheet has many more, with an answer key.
- 89.17 − 1.51 = __
- 84.32 − 59.2 = __
- 86.119 + 3.259 = __
- 23.7 + 5.49 = __
- 19.24 − 4.32 = __
Words to know
- decimal point
- The dot between ones and tenths.
- place
- Where a digit sits.