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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. 13 + 2 = ____
  2. 17 + 9 = ____
  3. 16 + 15 = ____
  4. 4 + ____ = 18
  5. 14 + ____ = 20
  6. 2 + ____ = 18
  7. 9 + ____ = 18
  8. 18 + ____ = 28
  9. ____ + 2 = 9
  10. ____ + 17 = 36
  11. ____ + 13 = 18
  12. ____ + 18 = 30
  13. ____ + 12 = 29
  14. ____ + 5 = 8
  15. 1 + 3 = ____
  16. ____ + 18 = 33
  17. ____ + 20 = 39
  18. 15 + 2 = ____
  19. 10 + 14 = ____
  20. 20 + 9 = ____
  21. 5 + 14 = ____
  22. 3 + ____ = 12
  23. 12 + ____ = 24
  24. 12 + ____ = 20
  25. 15 + ____ = 22

Answer Key