Addition•Grade 1

Grade 1 Addition Practice

A free printable grade 1 addition worksheet with 18 problems and a complete answer key. Download the PDF.

CCSSAligned to Common Core 1.OA.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10 using strategies such as making ten and decomposing.
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18 problemsAnswer key included

Solve each problem. Show your work in the space provided.

  1. 1.3 + 16 =
  2. 2.11 + 13 =
  3. 3.8 + 14 =
  4. 4.12 + 20 =
  5. 5.5 + 2 =
  6. 6.8 + 16 =
  7. 7.8 + 18 =
  8. 8.10 + 3 =
  9. 9.2 + 9 =
  10. 10.1 + 4 =
  11. 11.16 + 6 =
  12. 12.2 + 13 =
  13. 13.1 + 12 =
  14. 14.18 + 9 =
  15. 15.15 + 19 =
  16. 16.13 + 2 =
  17. 17.4 + 3 =
  18. 18.11 + 1 =

This free printable grade 1 addition worksheet includes 18 problems and a complete answer key. Download the PDF above to print at home or in the classroom.

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