Decimal Arithmetic Worksheets
Free printable decimal arithmetic worksheets with step-by-step answer keys. Every worksheet is uniquely generated so students never see the same problems twice. Topics covered range from decimal addition, 0.5 increments at the easy level through to mixed operations, estimation at the advanced level.
CCSS.5.NBTCCSS.6.NS
Difficulty Levels
Beginner
- Concepts
- Decimal addition, 0.5 increments
- Number Range
- 0–20, 1 decimal place
- Steps
- 1 step
- Example
- 2.5 + 3.5
Easy
- Concepts
- Addition/subtraction, 1 decimal place
- Number Range
- 1–20, 1 decimal place
- Steps
- 1–2 steps
- Example
- 3.5 + 2.8
Medium
- Concepts
- All operations, 2 decimal places
- Number Range
- 1–50, 2 decimal places
- Steps
- 2–3 steps
- Example
- 3.25 × 2.5
Hard
- Concepts
- Mixed operations, estimation
- Number Range
- 10–100, 2 decimal places
- Steps
- 3–4 steps
- Example
- 12.50 + 18.75 + 9.99
Grade Availability
Decimal Arithmetic worksheets are available for Grades 5–6. Problems are automatically adjusted to match grade-level expectations in number range, complexity, and notation.
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Learn the theory → Read our decimal arithmetic guide with worked examples.
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