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Addition Within 10 is a free printable Grade 1 maths worksheet on addition facts that stay below ten, aligned to Common Core standard 1.OA.C.6. It prints 16 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 6 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 Within 10

1.OA.C.6

NameDate

Work out each answer.

1.1 + 5 =
2.4 + 1 =
3.4 + 2 =
4.1 + 6 =
5.3 + 3 =
6.1 + 3 =
7.3 + 1 =
8.1 + 8 =
9.4 + 4 =
10.1 + 2 =
11.8 + 1 =
12.4 + 5 =
13.5 + 4 =
14.5 + 1 =
15.4 + 3 =
16.3 + 6 =

LessonPrint · 1.OA.C.6 · Set 6 · free to copy for classroom use

Answer key — Addition Within 10

Set 6. Prints on its own sheet.

  1. 1.6
  2. 2.5
  3. 3.6
  4. 4.7
  5. 5.6
  6. 6.4
  7. 7.4
  8. 8.9
  9. 9.8
  10. 10.3
  11. 11.9
  12. 12.9
  13. 13.9
  14. 14.6
  15. 15.7
  16. 16.9

More practice for 1.OA.C.6

Add and subtract within 20, quickly and accurately within 10.

Teaching this next? Addition and Subtraction Within 20 is the 45-minute plan for it, with the misconceptions to expect.

All Grade 1 worksheets

Last reviewed 2026-09-05. Aligned to 1.OA.C.6 of the Common Core State Standards for mathematics.