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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 + 12 = ____
  2. ____ + 20 = 26
  3. ____ + 18 = 34
  4. 17 + 10 = ____
  5. 15 + 12 = ____
  6. 1 + ____ = 9
  7. ____ + 1 = 15
  8. 2 + 20 = ____
  9. 7 + 6 = ____
  10. 7 + ____ = 22
  11. 20 + ____ = 30
  12. 14 + ____ = 26
  13. 1 + 18 = ____
  14. 12 + ____ = 29
  15. ____ + 6 = 24
  16. ____ + 18 = 23
  17. ____ + 7 = 24
  18. 7 + ____ = 20
  19. ____ + 10 = 19
  20. 4 + 7 = ____

Answer Key

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