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3-digit addition worksheets

Three-digit column addition, without regrouping, with regrouping, and adding three numbers. There are 4 sheets here: no regrouping, with regrouping, 3-digit plus 2-digit and three addends. Pick one from the tray, print it, and add its answer key as a second page if you want one.

Worksheets
NameDate

No regrouping

Add. Line up the digits and carry when you need to.

  1. 243+736
  2. 343+201
  3. 322+310
  4. 470+221
  5. 150+342
  6. 376+300
  7. 110+633
  8. 613+121
  9. 362+304
  10. 321+523
  11. 404+385
  12. 507+162
  13. 313+143
  14. 101+384
  15. 424+110
  16. 175+303
  17. 809+170
  18. 417+211
  19. 328+541
  20. 600+232
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Using these sheets

Questions

What grade are these 3-digit addition worksheets for?

They suit grades 2 to 3. The sheets in the tray go from easier to harder, ending with three addends.

Is there an answer key?

Yes. Tick “add the answer key as page 2” before printing, or turn on Answer key to check work on screen.

Can I print more than one version?

Yes. Press New problems for a fresh set of the same kind, then print again. The answer key changes with it.

Do I need an account to print?

No. The sheets print straight from this page, free, with no sign-up.

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