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Grade 1 Missing numbers — Everyday practice

Missing-number equations show the relationship between operations. Work steadily and show a few steps for problems that need them.

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Grade 1 Missing numbers — Everyday practice

Name: ________________________   Date: ______________

20 questions

Directions: Name the unknown quantity and read both sides of the equation. Write your answer for each problem.

  1. ______ + 8 = 12
  2. 15 - ______ = 7
  3. ______ + 7 = 8
  4. 6 - ______ = 1
  5. 12 - ______ = 6
  6. 18 - ______ = 9
  7. ______ + 10 = 15
  8. 12 - ______ = 3
  9. 9 - ______ = 2
  10. 13 - ______ = 5
  11. 6 - ______ = 4
  12. ______ + 7 = 15
  13. 16 - ______ = 10
  14. ______ + 8 = 11
  15. 4 - ______ = 3
  16. 7 - ______ = 3
  17. 13 - ______ = 3
  18. ______ + 7 = 12
  19. 16 - ______ = 8
  20. ______ + 9 = 11

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Show answer key (for parents and teachers)
  1. 1. 4
  2. 2. 8
  3. 3. 1
  4. 4. 5
  5. 5. 6
  6. 6. 9
  7. 7. 5
  8. 8. 9
  9. 9. 7
  10. 10. 8
  11. 11. 2
  12. 12. 8
  13. 13. 6
  14. 14. 3
  15. 15. 1
  16. 16. 4
  17. 17. 10
  18. 18. 5
  19. 19. 8
  20. 20. 2

How to help with this skill

First graders use drawings, objects, and number lines to understand small numbers and explain their thinking. Focus on accuracy before speed.

  • Name the unknown quantity and read both sides of the equation.
  • Use the inverse operation to find it.
  • Substitute your result back into the original equation.

Try this: Try a balance-scale drawing to make the equality visible.

Choose a different level

Gentle practiceEveryday practiceStretch your thinking

More Grade 1 practice

AdditionSubtractionNumber patternsPlace valueComparing numbers

Supplementary math practice, not a full curriculum. Review answers with your learner.