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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. 5 + ____ = 18
  2. ____ + 10 = 18
  3. 11 + ____ = 18
  4. ____ + 20 = 36
  5. ____ + 1 = 2
  6. ____ + 3 = 10
  7. 8 + 11 = ____
  8. 9 + ____ = 17
  9. 8 + ____ = 16
  10. ____ + 19 = 33
  11. ____ + 5 = 6
  12. ____ + 1 = 6
  13. ____ + 14 = 23
  14. ____ + 20 = 35
  15. ____ + 1 = 2
  16. 19 + 15 = ____
  17. 15 + 1 = ____
  18. ____ + 6 = 7
  19. ____ + 9 = 26
  20. ____ + 11 = 21
  21. ____ + 11 = 29

Answer Key