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Grade 3 · Printable with answers

Grade 3 Addition Worksheets

This Grade 3 addition worksheet provides carefully sequenced addition practice with number ranges chosen for the grade. Use place value, make-ten strategies, and estimation to check each sum.

Grade 3 practice set

20 addition questions

Show answer key
  1. 510 + 272782
  2. 714 + 36750
  3. 28 + 611639
  4. 265 + 135400
  5. 493 + 325818
  6. 522 + 44566
  7. 641 + 351992
  8. 111 + 308419
  9. 470 + 102572
  10. 497 + 496993
  11. 879 + 18897
  12. 643 + 210853
  13. 143 + 16159
  14. 691 + 172863
  15. 448 + 247695
  16. 496 + 410906
  17. 226 + 110336
  18. 938 + 19957
  19. 670 + 253923
  20. 548 + 84632

What this practice covers

A clear target for every question

  • Add and subtract within 1,000
  • Use place value, make-ten strategies, and estimation to check each sum.
  • Check work with the included answer key

Common Core references: 3.NBT.A.2 · 3.OA.C.7

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Helpful details

Frequently asked questions

Is this addition worksheet appropriate for Grade 3?

Yes. Its operands, results, and problem forms are generated from the Grade 3 curriculum profile rather than a generic digit setting.

How many questions are on the worksheet?

The static practice set contains 20 questions plus answers. The worksheet generator can create a longer set.

Can I save this worksheet as a PDF?

Yes. Choose Print and select “Save as PDF,” or print directly on US Letter or A4 paper.