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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. 2 + ____ = 13
  2. ____ + 9 = 26
  3. 12 + ____ = 18
  4. 2 + 18 = ____
  5. 20 + ____ = 40
  6. 4 + ____ = 12
  7. 2 + 18 = ____
  8. 19 + 17 = ____
  9. ____ + 14 = 28
  10. 6 + 15 = ____
  11. 6 + 15 = ____
  12. 12 + ____ = 29
  13. ____ + 8 = 20
  14. 5 + ____ = 21
  15. 5 + ____ = 20
  16. 8 + 1 = ____
  17. 11 + ____ = 27
  18. 20 + 16 = ____
  19. 15 + ____ = 27
  20. ____ + 19 = 39
  21. 19 + ____ = 28

Answer Key

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