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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. 18 + ____ = 21
  2. 20 + 15 = ____
  3. 2 + ____ = 5
  4. ____ + 2 = 18
  5. 1 + 17 = ____
  6. ____ + 12 = 25
  7. ____ + 15 = 33
  8. ____ + 17 = 29
  9. ____ + 20 = 33
  10. 20 + ____ = 26
  11. ____ + 8 = 18
  12. 12 + 7 = ____
  13. ____ + 4 = 20
  14. 15 + 15 = ____
  15. 13 + ____ = 32
  16. 19 + ____ = 26
  17. 18 + ____ = 24
  18. 5 + ____ = 22
  19. 11 + 11 = ____
  20. 16 + 8 = ____
  21. 7 + ____ = 16
  22. 7 + 1 = ____

Answer Key

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