SOLVD Learning

Addition Practice: Build and Check

Clear examples, focused practice, and a complete answer key.

Directions: Work one problem at a time. Add the ones, add the tens, and check your sum.

Worked examples

  1. 6 + 7 = ____

    Answer: 13. Add the ones. Then add the tens. Read the full sum and check it once.

  2. 5 + 2 = ____

    Answer: 7. Add the ones. Then add the tens. Read the full sum and check it once.

  3. 4 + 13 = ____

    Answer: 17. Add the ones. Then add the tens. Read the full sum and check it once.

  4. 22 + 19 = ____

    Answer: 41. Add the ones. Then add the tens. Read the full sum and check it once.

Practice problems

  1. 8 + 3 = ____

  2. 18 + 15 = ____

  3. 3 + 3 = ____

  4. 24 + 3 = ____

  5. 1 + 21 = ____

  6. 12 + 13 = ____

  7. 8 + 19 = ____

  8. 10 + 9 = ____

  9. 1 + 7 = ____

  10. 3 + 7 = ____

  11. 23 + 16 = ____

  12. 19 + 23 = ____

  13. 13 + 24 = ____

  14. 17 + 11 = ____

  15. 16 + 4 = ____

  16. 13 + 13 = ____

Challenge problems

  1. 18 + 7 = ____

  2. 11 + 22 = ____

Answer key

  1. 11
  2. 33
  3. 6
  4. 27
  5. 22
  6. 25
  7. 27
  8. 19
  9. 8
  10. 10
  11. 39
  12. 42
  13. 37
  14. 28
  15. 20
  16. 26
  17. 25
  18. 33