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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 + ____ = 32
  2. 4 + ____ = 21
  3. 5 + 15 = ____
  4. ____ + 12 = 21
  5. 3 + ____ = 14
  6. 13 + 11 = ____
  7. 8 + 15 = ____
  8. ____ + 1 = 21
  9. 8 + ____ = 19
  10. 5 + 20 = ____
  11. 13 + 17 = ____
  12. 16 + ____ = 26
  13. 17 + ____ = 30
  14. ____ + 2 = 12
  15. 16 + ____ = 29
  16. 5 + 18 = ____
  17. 18 + ____ = 26
  18. ____ + 13 = 20
  19. 10 + 18 = ____
  20. ____ + 4 = 6
  21. ____ + 13 = 30
  22. ____ + 10 = 11
  23. ____ + 12 = 26
  24. 14 + 17 = ____
  25. 9 + 2 = ____

Answer Key