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Missing Number - Grade 1

Missing Number Math Worksheet

Download or print this free missing number math worksheet designed for Grade 1 students.

Printable Missing Number Worksheet for Grade 1
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Worksheet Questions

  1. ____ + 20 = 39
  2. ____ + 8 = 12
  3. ____ + 2 = 7
  4. 20 + 15 = ____
  5. ____ + 1 = 6
  6. 15 + 11 = ____
  7. ____ + 3 = 12
  8. 9 + 15 = ____
  9. 15 + ____ = 18
  10. 8 + 9 = ____
  11. 2 + 18 = ____
  12. ____ + 11 = 19
  13. 1 + 3 = ____
  14. 3 + 16 = ____
  15. ____ + 20 = 33
  16. 13 + ____ = 20
  17. 4 + 18 = ____
  18. 13 + 4 = ____
  19. 7 + 1 = ____
  20. ____ + 8 = 21
  21. 16 + 10 = ____
  22. 2 + ____ = 3
  23. 3 + 6 = ____
  24. 5 + ____ = 14
  25. 16 + 18 = ____

Answer Key

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