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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. 3 + ____ = 8
  2. 20 + 12 = ____
  3. ____ + 5 = 17
  4. 6 + 15 = ____
  5. ____ + 1 = 15
  6. ____ + 4 = 20
  7. 3 + ____ = 21
  8. ____ + 11 = 24
  9. 12 + 4 = ____
  10. ____ + 16 = 28
  11. 14 + ____ = 23
  12. 16 + 3 = ____
  13. 15 + 10 = ____
  14. 8 + 10 = ____
  15. 14 + ____ = 26
  16. ____ + 15 = 35
  17. 6 + ____ = 19
  18. 15 + ____ = 23
  19. 9 + ____ = 15
  20. 1 + ____ = 17
  21. 1 + 20 = ____

Answer Key

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