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Ages 7–9

Two-digit addition

Add numbers up to 50 and verify with inverse subtraction. Review suitability for your learners before teaching.

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Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 17 = blank
  2. 2.34 + 24 = blank
  3. 3.18 + 34 = blank
  4. 4.13 + 15 = blank
  5. 5.20 + 46 = blank
  6. 6.28 + 29 = blank
  7. 7.35 + 14 = blank
  8. 8.9 + 4 = blank
  9. 9.36 + 38 = blank
  10. 10.1 + 15 = blank
  11. 11.7 + 37 = blank
  12. 12.44 + 15 = blank
One small step. One stronger skill.12 questions · Seed 51
View the answer key
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 17 = 17
  2. 2.34 + 24 = 58
  3. 3.18 + 34 = 52
  4. 4.13 + 15 = 28
  5. 5.20 + 46 = 66
  6. 6.28 + 29 = 57
  7. 7.35 + 14 = 49
  8. 8.9 + 4 = 13
  9. 9.36 + 38 = 74
  10. 10.1 + 15 = 16
  11. 11.7 + 37 = 44
  12. 12.44 + 15 = 59
One small step. One stronger skill.12 questions · Seed 51
Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 17 = blank
  2. 2.34 + 24 = blank
  3. 3.18 + 34 = blank
  4. 4.13 + 15 = blank
  5. 5.20 + 46 = blank
  6. 6.28 + 29 = blank
  7. 7.35 + 14 = blank
  8. 8.9 + 4 = blank
  9. 9.36 + 38 = blank
  10. 10.1 + 15 = blank
  11. 11.7 + 37 = blank
  12. 12.44 + 15 = blank
One small step. One stronger skill.12 questions · Seed 51
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 17 = 17
  2. 2.34 + 24 = 58
  3. 3.18 + 34 = 52
  4. 4.13 + 15 = 28
  5. 5.20 + 46 = 66
  6. 6.28 + 29 = 57
  7. 7.35 + 14 = 49
  8. 8.9 + 4 = 13
  9. 9.36 + 38 = 74
  10. 10.1 + 15 = 16
  11. 11.7 + 37 = 44
  12. 12.44 + 15 = 59
One small step. One stronger skill.12 questions · Seed 51