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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. 1.15 − 0 = blank
  2. 2.10 − 9 = blank
  3. 3.20 − 9 = blank
  4. 4.14 − 9 = blank
  5. 5.16 − 15 = blank
  6. 6.5 − 1 = blank
  7. 7.20 − 20 = blank
  8. 8.15 − 8 = blank
  9. 9.12 − 5 = blank
  10. 10.7 − 7 = blank
  11. 11.13 − 9 = blank
  12. 12.12 − 1 = blank
One small step. One stronger skill.12 questions · Seed 79
View the answer key
Worksheet StudioAnswer key

Subtraction within 20

Use this page to check your work.

Name ____________________Date ______________
  1. 1.15 − 0 = 15
  2. 2.10 − 9 = 1
  3. 3.20 − 9 = 11
  4. 4.14 − 9 = 5
  5. 5.16 − 15 = 1
  6. 6.5 − 1 = 4
  7. 7.20 − 20 = 0
  8. 8.15 − 8 = 7
  9. 9.12 − 5 = 7
  10. 10.7 − 7 = 0
  11. 11.13 − 9 = 4
  12. 12.12 − 1 = 11
One small step. One stronger skill.12 questions · Seed 79
Worksheet StudioMaths practice

Subtraction within 20

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

Name ____________________Date ______________
  1. 1.15 − 0 = blank
  2. 2.10 − 9 = blank
  3. 3.20 − 9 = blank
  4. 4.14 − 9 = blank
  5. 5.16 − 15 = blank
  6. 6.5 − 1 = blank
  7. 7.20 − 20 = blank
  8. 8.15 − 8 = blank
  9. 9.12 − 5 = blank
  10. 10.7 − 7 = blank
  11. 11.13 − 9 = blank
  12. 12.12 − 1 = blank
One small step. One stronger skill.12 questions · Seed 79
Worksheet StudioAnswer key

Subtraction within 20

Use this page to check your work.

Name ____________________Date ______________
  1. 1.15 − 0 = 15
  2. 2.10 − 9 = 1
  3. 3.20 − 9 = 11
  4. 4.14 − 9 = 5
  5. 5.16 − 15 = 1
  6. 6.5 − 1 = 4
  7. 7.20 − 20 = 0
  8. 8.15 − 8 = 7
  9. 9.12 − 5 = 7
  10. 10.7 − 7 = 0
  11. 11.13 − 9 = 4
  12. 12.12 − 1 = 11
One small step. One stronger skill.12 questions · Seed 79