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Free 3rd grade math worksheets

Mixed practice on the topics most 3rd graders work on: addition with carrying, subtraction with borrowing, basic times tables, missing numbers, basic division. Print it, and the answer key comes out on its own page. New worksheet makes another.

3rd grade math worksheet

Name: Date: Score: / 20
  1. 29 + 48 =
  2. 41 - 39 =
  3. 6 × 2 =
  4. × 12 = 120
  5. 25 ÷ 5 =
  6. 33 ÷ = 11
  7. 86 + 77 =
  8. 81 - 62 =
  9. 9 × 3 =
  10. × 12 = 36
  11. 56 ÷ 7 =
  12. ÷ 10 = 12
  13. 69 + 36 =
  14. 92 - 44 =
  15. 4 × 11 =
  16. × 11 = 55
  17. 45 ÷ 5 =
  18. 40 ÷ = 8
  19. 57 + 36 =
  20. 21 - 19 =

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Answer key: 3rd grade math worksheet

  1. 77
  2. 2
  3. 12
  4. 10
  5. 5
  6. 3
  7. 163
  8. 19
  9. 27
  10. 3
  11. 8
  12. 120
  13. 105
  14. 48
  15. 44
  16. 5
  17. 9
  18. 5
  19. 93
  20. 2

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Common questions

What is on these 3rd grade math worksheets?
A mix of the topics most 3rd graders work on: addition with carrying, subtraction with borrowing, basic times tables, missing numbers, basic division. For more of one skill, each skill has its own worksheets at every level.

Are these math worksheets really free?
Yes. Every worksheet and answer key is free to print, with no sign-up and no limit, for home or classroom use.

Is there an answer key?
Yes. It prints on its own page right after the worksheet, so you can keep it separate. On a screen it sits below the worksheet.

Can I print a different worksheet at the same level?
Yes. New worksheet makes a fresh set of problems, and the page address then brings back that exact worksheet and key, so you can bookmark it or send it to someone.