Free printable decimals worksheets
Create decimal addition practice with aligned place values and configurable precision.
Preview the worksheet and answer key
This sample is generated by the same deterministic math engine used in the builder. The PDF contains both pages.
Download sample PDF
Examples and options
Prerequisite: Learners should be comfortable with the number sense and vocabulary used in the decimals examples.
Next step: When the method is accurate, use a related worksheet or a mixed review to apply decimals in a new context.
Example questions
- 3.45 + 1.20 = ___
- 0.8 + 0.37 = ___
- 12.06 + 4.9 = ___
Customize in the builder
- decimal places
- number range
- vertical layout
Make correction part of the practice
Common mistakes to watch for
- aligning digits instead of decimal points
- dropping placeholder zeros too early
Useful teaching moves
- 1
Read each addend aloud by place value before calculating.
- 2
Review one worked example together, then let the learner complete a short independent set.
Frequently asked questions
Do these decimals worksheets include answers?
Yes. Every sample and every worksheet created in the builder includes a matching answer key.
Can I change the difficulty?
Yes. Open the builder to adjust decimal places and number range before printing.
Last reviewed 2026-08-07. Samples are checked against the tested deterministic generator and answer-key logic. Read our accuracy standards.