A real Learning Lab sheet for a pretend child, Owen. Sign in free to get sheets like this every week at your child's own level.

Level 20 of 40 in Learning Lab's math ladder, in the “Regrouping” stage. Many children reach it around age 8, but levels aren't tied to age.

This sheet has 20 questions at this level plus 3 review questions from the levels just before it. Mastered after three sheets in a row at 90% or more. It can be printed or done on screen in kid mode.

Learning Lab

Math · Level 20

3-digit addition (with regrouping)

M20-8CXY

Owen · Week of Nov 2

Name: Score: / 20 · Review / 3
  1. 1.271+543
  2. 2.194+458
  3. 3.775+108
  4. 4.428+213
  5. 5.244+463
  6. 6.573+248
  7. 7.316+146
  8. 8.768+185
  9. 9.728+249
  10. 10.578+224
  11. 11.865+109
  12. 12.797+147
  13. 13.121+195
  14. 14.224+636
  15. 15.215+305
  16. 16.163+428
  17. 17.594+259
  18. 18.283+240
  19. 19.473+468
  20. 20.593+324

Review — from earlier levels

  1. 21.59+39
  2. 22.66+14
  3. 23.76+16
learn.firminlabs.com · Do your best — mistakes help you learn.

Learning Lab · Answer key

Math · Level 20

3-digit addition (with regrouping)

M20-8CXY

Owen · Week of Nov 2

For grown-ups — keep this page separate from the sheet.

  1. 814
  2. 652
  3. 883
  4. 641
  5. 707
  6. 821
  7. 462
  8. 953
  9. 977
  10. 802
  11. 974
  12. 944
  13. 316
  14. 860
  15. 520
  16. 591
  17. 853
  18. 523
  19. 941
  20. 917
  21. 98 review
  22. 80 review
  23. 92 review