Worksheet

Relate Addition and Subtraction

Grade 1 - Math - Challenge Me

NameDate

  1. 2 + ____ = 10. Which subtraction fact finds the missing addend?

    • 10 + 2 = 12
    • 2 - 8 = 6
    • 10 - 2 = 8

  2. Use a related fact to solve ____ + 6 = 12.

  3. Which addition fact checks 15 - 11 = 4?

    • 11 + 4 = 15
    • 15 + 11 = 26
    • 11 + 15 = 26

  4. 19 - ____ = 8. What missing part belongs in the equation?

  5. A whole is 18. One part is 14. What is the other part?

  6. 2 + ____ = 12. Which subtraction fact finds the missing addend?

    • 12 + 2 = 14
    • 12 - 10 = 2
    • 12 - 2 = 10

  7. Use a related fact to solve ____ + 5 = 14.

  8. Which addition fact checks 11 - 6 = 5?

    • 6 + 11 = 17
    • 5 + 11 = 16
    • 6 + 5 = 11

  9. 8 - ____ = 5. What missing part belongs in the equation?

  10. A whole is 17. One part is 12. What is the other part?

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