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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 + 33 = blank
  2. 2.43 + 17 = blank
  3. 3.31 + 7 = blank
  4. 4.7 + 5 = blank
  5. 5.15 + 49 = blank
  6. 6.43 + 4 = blank
  7. 7.1 + 41 = blank
  8. 8.23 + 0 = blank
  9. 9.35 + 40 = blank
  10. 10.11 + 28 = blank
  11. 11.39 + 16 = blank
  12. 12.34 + 4 = blank
One small step. One stronger skill.12 questions · Seed 43
View the answer key
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 33 = 33
  2. 2.43 + 17 = 60
  3. 3.31 + 7 = 38
  4. 4.7 + 5 = 12
  5. 5.15 + 49 = 64
  6. 6.43 + 4 = 47
  7. 7.1 + 41 = 42
  8. 8.23 + 0 = 23
  9. 9.35 + 40 = 75
  10. 10.11 + 28 = 39
  11. 11.39 + 16 = 55
  12. 12.34 + 4 = 38
One small step. One stronger skill.12 questions · Seed 43
Worksheet StudioMaths practice

Two-digit addition

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

Name ____________________Date ______________
  1. 1.0 + 33 = blank
  2. 2.43 + 17 = blank
  3. 3.31 + 7 = blank
  4. 4.7 + 5 = blank
  5. 5.15 + 49 = blank
  6. 6.43 + 4 = blank
  7. 7.1 + 41 = blank
  8. 8.23 + 0 = blank
  9. 9.35 + 40 = blank
  10. 10.11 + 28 = blank
  11. 11.39 + 16 = blank
  12. 12.34 + 4 = blank
One small step. One stronger skill.12 questions · Seed 43
Worksheet StudioAnswer key

Two-digit addition

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 33 = 33
  2. 2.43 + 17 = 60
  3. 3.31 + 7 = 38
  4. 4.7 + 5 = 12
  5. 5.15 + 49 = 64
  6. 6.43 + 4 = 47
  7. 7.1 + 41 = 42
  8. 8.23 + 0 = 23
  9. 9.35 + 40 = 75
  10. 10.11 + 28 = 39
  11. 11.39 + 16 = 55
  12. 12.34 + 4 = 38
One small step. One stronger skill.12 questions · Seed 43