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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. 12 + ____ = 31
  2. 15 + ____ = 20
  3. 12 + ____ = 18
  4. 20 + ____ = 27
  5. 20 + ____ = 40
  6. 16 + 3 = ____
  7. ____ + 14 = 19
  8. 6 + 8 = ____
  9. 3 + ____ = 10
  10. 20 + ____ = 38
  11. 1 + ____ = 7
  12. ____ + 10 = 14
  13. ____ + 1 = 14
  14. 7 + 12 = ____
  15. ____ + 11 = 27
  16. 17 + ____ = 35
  17. ____ + 18 = 32
  18. 12 + ____ = 19
  19. ____ + 4 = 22
  20. ____ + 2 = 19
  21. ____ + 13 = 23
  22. ____ + 14 = 29
  23. 9 + 17 = ____
  24. 5 + ____ = 8
  25. 5 + ____ = 15

Answer Key

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