Adding and Subtracting Decimals Worksheets
Calculate decimal quantities using place value and exact decimal answers.
Before you begin
Read place values and recall basic addition, subtraction and multiplication facts.
Worked example
Calculate 66.5 + 36.9.
- Align decimal points.
- Add or subtract equal place values.
Answer: 103.4
Check your result using the method in the example before moving to the next question.
Choose your level
- Easy: Use smaller quantities with one step.
- Medium: Use larger quantities and regroup where needed.
- Hard: Use larger values or work backwards.
Questions and answer calculations checked on 2026-09-17. How we check worksheets. Free for personal and classroom use.
Preview and print an easy set
Try six questions below, or choose a full set at your level.
1
Calculate 33.9 + 22.
2
Calculate 63.8 − 45.9.
3
Calculate 33.9 + 5.5.
4
Calculate 70 − 50.5.
5
Calculate 57.9 + 2.4.
6
Calculate 38.6 − 23.3.
Answer Key
1. 55.92. 17.93. 39.44. 19.55. 60.36. 15.3