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Addition within 20 worksheets

A focused sheet for early addition facts. Every question uses two addends from 1 to 10, so the greatest possible sum is 20.

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The rule applies to the ones column. Keep the number range wide enough to generate different problems.
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Addition within 20 worksheets
Name: ____________________Date: ____________________
1.3 + 5 =
2.7 + 4 =
3.1 + 3 =
4.5 + 1 =
5.4 + 3 =
6.6 + 9 =
7.5 + 3 =
8.7 + 8 =
9.8 + 7 =
10.7 + 3 =
11.2 + 10 =
12.5 + 6 =
13.6 + 5 =
14.10 + 5 =
15.9 + 5 =
16.1 + 8 =
17.9 + 8 =
18.7 + 10 =
19.5 + 9 =
20.3 + 2 =
Answer key
1. 8
2. 11
3. 4
4. 6
5. 7
6. 15
7. 8
8. 15
9. 15
10. 10
11. 12
12. 11
13. 11
14. 15
15. 14
16. 9
17. 17
18. 17
19. 14
20. 5
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What this worksheet includes

A focused sheet for early addition facts. Every question uses two addends from 1 to 10, so the greatest possible sum is 20.

  • 20 questions by default
  • Each addend is from 1 to 10
  • Sums range from 2 to 20
  • Repeated expressions are avoided when the range permits

Choosing a practice session

  • Short independent practice
  • Warm-ups and home review
  • Checking fluency before moving to larger numbers

Content reviewExamples reviewed 7 October 2026. Found a problem? Send a correction

03

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Before or after this skill

Addition within 100 worksheetsCreate printable addition practice with addends from 5 to 50 and sums no greater than 100.Two-digit addition worksheetsGenerate 20 printable two-digit addition questions with regrouping practice and a separate answer key.Three-addend addition worksheetsCreate 20 printable addition questions with three addends, with a separate answer key.
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