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Ages 6–7

Subtraction within 20

Bridge through 10 and check differences up to 20. Review suitability for your learners before teaching.

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Worksheet StudioMaths practice

Subtraction within 20

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.6 − 0 = blank
  2. 2.18 − 16 = blank
  3. 3.20 − 2 = blank
  4. 4.6 − 3 = blank
  5. 5.20 − 17 = blank
  6. 6.17 − 16 = blank
  7. 7.20 − 9 = blank
  8. 8.19 − 13 = blank
  9. 9.8 − 1 = blank
  10. 10.20 − 18 = blank
  11. 11.19 − 11 = blank
  12. 12.17 − 0 = blank
One small step. One stronger skill.12 questions · Seed 121
View the answer key
Worksheet StudioAnswer key

Subtraction within 20

Use this page to check your work.

Name ____________________Date ______________
  1. 1.6 − 0 = 6
  2. 2.18 − 16 = 2
  3. 3.20 − 2 = 18
  4. 4.6 − 3 = 3
  5. 5.20 − 17 = 3
  6. 6.17 − 16 = 1
  7. 7.20 − 9 = 11
  8. 8.19 − 13 = 6
  9. 9.8 − 1 = 7
  10. 10.20 − 18 = 2
  11. 11.19 − 11 = 8
  12. 12.17 − 0 = 17
One small step. One stronger skill.12 questions · Seed 121
Worksheet StudioMaths practice

Subtraction within 20

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.6 − 0 = blank
  2. 2.18 − 16 = blank
  3. 3.20 − 2 = blank
  4. 4.6 − 3 = blank
  5. 5.20 − 17 = blank
  6. 6.17 − 16 = blank
  7. 7.20 − 9 = blank
  8. 8.19 − 13 = blank
  9. 9.8 − 1 = blank
  10. 10.20 − 18 = blank
  11. 11.19 − 11 = blank
  12. 12.17 − 0 = blank
One small step. One stronger skill.12 questions · Seed 121
Worksheet StudioAnswer key

Subtraction within 20

Use this page to check your work.

Name ____________________Date ______________
  1. 1.6 − 0 = 6
  2. 2.18 − 16 = 2
  3. 3.20 − 2 = 18
  4. 4.6 − 3 = 3
  5. 5.20 − 17 = 3
  6. 6.17 − 16 = 1
  7. 7.20 − 9 = 11
  8. 8.19 − 13 = 6
  9. 9.8 − 1 = 7
  10. 10.20 − 18 = 2
  11. 11.19 − 11 = 8
  12. 12.17 − 0 = 17
One small step. One stronger skill.12 questions · Seed 121