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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 + ____ = 23
  2. 19 + 20 = ____
  3. 10 + 10 = ____
  4. ____ + 7 = 14
  5. 1 + 17 = ____
  6. 4 + 18 = ____
  7. 6 + ____ = 26
  8. ____ + 9 = 14
  9. 20 + ____ = 40
  10. 20 + ____ = 21
  11. 4 + ____ = 18
  12. 5 + 8 = ____
  13. 8 + 12 = ____
  14. ____ + 4 = 24
  15. ____ + 18 = 31
  16. 20 + ____ = 21
  17. 18 + 13 = ____
  18. 1 + ____ = 8
  19. ____ + 18 = 23
  20. ____ + 18 = 23
  21. 13 + 17 = ____
  22. ____ + 19 = 37
  23. 2 + 14 = ____

Answer Key

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