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Addition Facts Within 20 is a free printable Grade 2 maths worksheet on recall of the addition facts, including those within ten, aligned to Common Core standard 2.OA.B.2. It prints 24 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 23 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Addition Facts Within 20

2.OA.B.2

NameDate

Work out each answer.

1.6 + 2 =
2.8 + 4 =
3.6 + 9 =
4.2 + 7 =
5.2 + 6 =
6.5 + 3 =
7.7 + 2 =
8.2 + 5 =
9.4 + 6 =
10.2 + 2 =
11.3 + 3 =
12.7 + 7 =
13.3 + 2 =
14.7 + 9 =
15.9 + 5 =
16.9 + 6 =
17.9 + 9 =
18.7 + 6 =
19.5 + 9 =
20.3 + 5 =
21.4 + 4 =
22.9 + 2 =
23.8 + 5 =
24.6 + 4 =

LessonPrint · 2.OA.B.2 · Set 23 · free to copy for classroom use

Answer key — Addition Facts Within 20

Set 23. Prints on its own sheet.

  1. 1.8
  2. 2.12
  3. 3.15
  4. 4.9
  5. 5.8
  6. 6.8
  7. 7.9
  8. 8.7
  9. 9.10
  10. 10.4
  11. 11.6
  12. 12.14
  13. 13.5
  14. 14.16
  15. 15.14
  16. 16.15
  17. 17.18
  18. 18.13
  19. 19.14
  20. 20.8
  21. 21.8
  22. 22.11
  23. 23.13
  24. 24.10

More practice for 2.OA.B.2

Know addition and subtraction facts within 20 by heart.

Teaching this next? Fact Fluency Within 20 Without Drill-and-Kill is the 40-minute plan for it, with the misconceptions to expect.

All Grade 2 worksheets

Last reviewed 2026-09-05. Aligned to 2.OA.B.2 of the Common Core State Standards for mathematics.