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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. 3 + 15 = ____
  2. ____ + 20 = 40
  3. 15 + 17 = ____
  4. 6 + ____ = 21
  5. 2 + ____ = 10
  6. 11 + ____ = 23
  7. ____ + 15 = 33
  8. ____ + 11 = 28
  9. ____ + 1 = 12
  10. 14 + ____ = 21
  11. 10 + ____ = 17
  12. 12 + ____ = 13
  13. 3 + 18 = ____
  14. ____ + 20 = 26

Answer Key