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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 + 8 = blank
  2. 2.23 + 35 = blank
  3. 3.21 + 15 = blank
  4. 4.11 + 25 = blank
  5. 5.45 + 22 = blank
  6. 6.19 + 23 = blank
  7. 7.26 + 34 = blank
  8. 8.0 + 3 = blank
  9. 9.48 + 38 = blank
  10. 10.29 + 18 = blank
  11. 11.28 + 44 = blank
  12. 12.3 + 50 = blank
One small step. One stronger skill.12 questions · Seed 49
View the answer key
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 8 = 8
  2. 2.23 + 35 = 58
  3. 3.21 + 15 = 36
  4. 4.11 + 25 = 36
  5. 5.45 + 22 = 67
  6. 6.19 + 23 = 42
  7. 7.26 + 34 = 60
  8. 8.0 + 3 = 3
  9. 9.48 + 38 = 86
  10. 10.29 + 18 = 47
  11. 11.28 + 44 = 72
  12. 12.3 + 50 = 53
One small step. One stronger skill.12 questions · Seed 49
Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 8 = blank
  2. 2.23 + 35 = blank
  3. 3.21 + 15 = blank
  4. 4.11 + 25 = blank
  5. 5.45 + 22 = blank
  6. 6.19 + 23 = blank
  7. 7.26 + 34 = blank
  8. 8.0 + 3 = blank
  9. 9.48 + 38 = blank
  10. 10.29 + 18 = blank
  11. 11.28 + 44 = blank
  12. 12.3 + 50 = blank
One small step. One stronger skill.12 questions · Seed 49
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 8 = 8
  2. 2.23 + 35 = 58
  3. 3.21 + 15 = 36
  4. 4.11 + 25 = 36
  5. 5.45 + 22 = 67
  6. 6.19 + 23 = 42
  7. 7.26 + 34 = 60
  8. 8.0 + 3 = 3
  9. 9.48 + 38 = 86
  10. 10.29 + 18 = 47
  11. 11.28 + 44 = 72
  12. 12.3 + 50 = 53
One small step. One stronger skill.12 questions · Seed 49