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Grade 2 Math Worksheet - Challenge Me

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Write the missing number. Example: 3 + 5 = 5 + 3.

  1. (7 + 8) + 7 = 7 + ( + 7)

  2. (5 + 1) + 9 = 5 + ( + 9)

  3. (5 + 1) + 6 = 5 + ( + 6)

  4. 6 + 8 = 8 +

  5. 8 + 3 = 3 +

  6. (5 + 7) + 9 = 5 + ( + 9)

  7. 4 + 1 = 1 +

  8. (9 + 5) + 4 = 9 + ( + 4)

  9. 7 + 7 = 7 +

  10. 9 + 7 = 7 +

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Answer Key - Grade 2 Math Worksheet - Challenge Me

Write the missing number. Example: 3 + 5 = 5 + 3.

  1. (7 + 8) + 7 = 7 + (8 + 7)

  2. (5 + 1) + 9 = 5 + (1 + 9)

  3. (5 + 1) + 6 = 5 + (1 + 6)

  4. 6 + 8 = 8 + 6

  5. 8 + 3 = 3 + 8

  6. (5 + 7) + 9 = 5 + (7 + 9)

  7. 4 + 1 = 1 + 4

  8. (9 + 5) + 4 = 9 + (5 + 4)

  9. 7 + 7 = 7 + 7

  10. 9 + 7 = 7 + 9