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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. ____ + 12 = 31
  2. 12 + ____ = 30
  3. ____ + 6 = 21
  4. 12 + ____ = 23
  5. ____ + 20 = 40
  6. ____ + 5 = 18
  7. ____ + 2 = 5
  8. ____ + 10 = 15
  9. 16 + 19 = ____
  10. 3 + ____ = 22
  11. ____ + 3 = 8
  12. ____ + 13 = 18
  13. ____ + 19 = 36
  14. 13 + 17 = ____
  15. 15 + ____ = 30

Answer Key