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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 = 28
  2. ____ + 20 = 31
  3. 17 + ____ = 26
  4. 2 + 17 = ____
  5. 9 + ____ = 18
  6. ____ + 2 = 15
  7. 16 + ____ = 33
  8. 10 + 15 = ____
  9. 4 + ____ = 23
  10. ____ + 3 = 23
  11. 10 + 12 = ____
  12. 18 + ____ = 27
  13. ____ + 2 = 3
  14. 11 + ____ = 12
  15. 17 + ____ = 32
  16. ____ + 10 = 23
  17. 18 + 5 = ____
  18. ____ + 12 = 31
  19. 4 + ____ = 6
  20. 7 + 10 = ____
  21. 1 + ____ = 20
  22. 3 + 15 = ____
  23. 12 + ____ = 15

Answer Key

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