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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. 10 + ____ = 23
  2. 1 + 18 = ____
  3. 2 + 11 = ____
  4. ____ + 15 = 22
  5. 5 + ____ = 15
  6. 1 + 8 = ____
  7. ____ + 20 = 37
  8. 20 + 19 = ____
  9. 15 + 10 = ____
  10. 15 + ____ = 32
  11. ____ + 14 = 18
  12. 9 + 4 = ____
  13. 9 + ____ = 28
  14. ____ + 17 = 27
  15. 20 + 20 = ____
  16. 9 + 11 = ____
  17. 5 + ____ = 24
  18. 16 + ____ = 33
  19. ____ + 3 = 10
  20. 19 + ____ = 36
  21. ____ + 8 = 26
  22. ____ + 2 = 13
  23. 20 + ____ = 21

Answer Key

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