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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. ____ + 12 = 20
  3. ____ + 9 = 18
  4. ____ + 15 = 23
  5. 8 + 19 = ____
  6. 7 + 7 = ____
  7. 6 + ____ = 24
  8. 3 + ____ = 13
  9. ____ + 19 = 21
  10. 10 + 19 = ____
  11. 14 + ____ = 28
  12. 8 + ____ = 17
  13. 18 + 14 = ____
  14. 11 + 6 = ____
  15. 17 + ____ = 27
  16. 10 + 13 = ____
  17. 9 + ____ = 12
  18. ____ + 4 = 23
  19. 1 + 9 = ____
  20. ____ + 1 = 8
  21. 19 + ____ = 39

Answer Key

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