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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. ____ + 8 = 26
  2. 20 + ____ = 21
  3. ____ + 6 = 13
  4. 12 + ____ = 28
  5. 20 + ____ = 40
  6. ____ + 2 = 15
  7. 14 + 14 = ____
  8. 13 + 20 = ____
  9. ____ + 19 = 20
  10. ____ + 18 = 35
  11. 12 + ____ = 24
  12. ____ + 7 = 17
  13. ____ + 20 = 40
  14. ____ + 15 = 21
  15. 8 + 15 = ____
  16. 15 + ____ = 16
  17. 19 + 10 = ____
  18. ____ + 12 = 29
  19. 15 + 7 = ____
  20. 10 + 8 = ____
  21. 10 + ____ = 26

Answer Key

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