Decimal operations worksheets with answer keys

Decimal arithmetic with the place-value alignment students most often get wrong. Grades 4-7. Every sheet prints with a matching answer key, and every sheet is generated fresh — so you can hand out a different one each time without writing it yourself.

Generate a decimal operations worksheet →

What the problems look like

Three real examples at each difficulty, with answers.

Easy

• 1.7 + 7.5 = → 9.2
• 14.6 + 9.6 = → 24.2
• 3.9 + 5.3 = → 9.2

Generate a full easy decimal operations worksheet →

Medium

• 39.14 − 16.42 = → 22.72
• 21.13 + 22.31 = → 43.44
• 98.74 − 25.55 = → 73.19

Generate a full medium decimal operations worksheet →

Hard

• 29.78 + 95.19 = → 124.97
• 40.02 × 144.57 = → 5785.69
• 464.68 + 159.7 = → 624.38

Generate a full hard decimal operations worksheet →

How to use it

• Pick a difficulty above and hit generate — you get 20 problems instantly.
• Toggle the answer key on or off before you print.
• Hit “New problems” for a completely different sheet on the same skill.
• Every sheet has a permanent link, so you can reprint the exact same one next year.
• No signup, no ads on the printout. Pro ($19) raises the cap to 60 problems and prints A–F differentiated versions in one go.

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