Small practice. Bright discoveries.Explore the free starter collection
worksheetstudio.
Sign in
Back to worksheets
Ages 7–9

Two-digit addition

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

New variationBrowse templates

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 21 = blank
  2. 2.13 + 18 = blank
  3. 3.17 + 44 = blank
  4. 4.39 + 35 = blank
  5. 5.34 + 33 = blank
  6. 6.33 + 7 = blank
  7. 7.14 + 4 = blank
  8. 8.39 + 31 = blank
  9. 9.29 + 37 = blank
  10. 10.38 + 13 = blank
  11. 11.22 + 7 = blank
  12. 12.39 + 48 = blank
One small step. One stronger skill.12 questions · Seed 52
View the answer key
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 21 = 21
  2. 2.13 + 18 = 31
  3. 3.17 + 44 = 61
  4. 4.39 + 35 = 74
  5. 5.34 + 33 = 67
  6. 6.33 + 7 = 40
  7. 7.14 + 4 = 18
  8. 8.39 + 31 = 70
  9. 9.29 + 37 = 66
  10. 10.38 + 13 = 51
  11. 11.22 + 7 = 29
  12. 12.39 + 48 = 87
One small step. One stronger skill.12 questions · Seed 52
Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 21 = blank
  2. 2.13 + 18 = blank
  3. 3.17 + 44 = blank
  4. 4.39 + 35 = blank
  5. 5.34 + 33 = blank
  6. 6.33 + 7 = blank
  7. 7.14 + 4 = blank
  8. 8.39 + 31 = blank
  9. 9.29 + 37 = blank
  10. 10.38 + 13 = blank
  11. 11.22 + 7 = blank
  12. 12.39 + 48 = blank
One small step. One stronger skill.12 questions · Seed 52
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 21 = 21
  2. 2.13 + 18 = 31
  3. 3.17 + 44 = 61
  4. 4.39 + 35 = 74
  5. 5.34 + 33 = 67
  6. 6.33 + 7 = 40
  7. 7.14 + 4 = 18
  8. 8.39 + 31 = 70
  9. 9.29 + 37 = 66
  10. 10.38 + 13 = 51
  11. 11.22 + 7 = 29
  12. 12.39 + 48 = 87
One small step. One stronger skill.12 questions · Seed 52