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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. 6 + ____ = 21
  2. 14 + ____ = 15
  3. 17 + 15 = ____
  4. 2 + 1 = ____
  5. 4 + ____ = 6
  6. ____ + 19 = 21
  7. ____ + 20 = 21
  8. 18 + ____ = 20
  9. 15 + ____ = 33
  10. 7 + 16 = ____
  11. 8 + ____ = 26
  12. 13 + 20 = ____
  13. ____ + 9 = 23
  14. 11 + 20 = ____
  15. 17 + ____ = 30
  16. ____ + 9 = 26
  17. 16 + ____ = 22
  18. 16 + ____ = 33
  19. 5 + 17 = ____
  20. 3 + 5 = ____

Answer Key

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