Worksheet

Subtraction Within 20

Grade 1 Math Worksheet

NameDate

Write the answer on the line.

  1. 13 - 9 =

  2. 17 - 3 =

  3. 14 - 9 =

  4. 15 - 9 =

  5. 17 - 6 =

  6. 14 - 7 =

  7. 13 - 7 =

  8. 12 - 2 =

  9. 17 - 9 =

  10. 16 - 9 =

  11. 13 - 6 =

  12. 15 - 6 =

  13. 14 - 6 =

  14. 18 - 7 =

  15. 15 - 5 =

  16. 12 - 7 =

  17. 16 - 2 =

  18. 16 - 4 =

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Subtraction Within 20

Answer Key - Grade 1 Math Worksheet

Write the answer on the line.

  1. 13 - 9 = 4

  2. 17 - 3 = 14

  3. 14 - 9 = 5

  4. 15 - 9 = 6

  5. 17 - 6 = 11

  6. 14 - 7 = 7

  7. 13 - 7 = 6

  8. 12 - 2 = 10

  9. 17 - 9 = 8

  10. 16 - 9 = 7

  11. 13 - 6 = 7

  12. 15 - 6 = 9

  13. 14 - 6 = 8

  14. 18 - 7 = 11

  15. 15 - 5 = 10

  16. 12 - 7 = 5

  17. 16 - 2 = 14

  18. 16 - 4 = 12