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

Answer Key

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