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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. 20 + ____ = 26
  2. ____ + 13 = 20
  3. 3 + ____ = 17
  4. 13 + ____ = 31
  5. 11 + 20 = ____
  6. ____ + 9 = 16
  7. 16 + ____ = 32
  8. ____ + 13 = 25
  9. 15 + ____ = 30
  10. 12 + 8 = ____
  11. 20 + ____ = 23
  12. ____ + 1 = 13
  13. 14 + 8 = ____
  14. ____ + 5 = 24
  15. 7 + ____ = 25
  16. 5 + 5 = ____
  17. 5 + 17 = ____

Answer Key