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Grade 3 Addition — Everyday practice

Addition combines quantities to find a total. Work steadily and show a few steps for problems that need them.

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Grade 3 Addition — Everyday practice

Name: ________________________   Date: ______________

20 questions

Directions: Start with the larger addend and count on, or group numbers by place value. Write your answer for each problem.

  1. 305 + 406 = ______
  2. 692 + 308 = ______
  3. 547 + 387 = ______
  4. 566 + 286 = ______
  5. 242 + 304 = ______
  6. 246 + 389 = ______
  7. 346 + 248 = ______
  8. 532 + 418 = ______
  9. 393 + 376 = ______
  10. 91 + 252 = ______
  11. 15 + 9 = ______
  12. 664 + 296 = ______
  13. 142 + 22 = ______
  14. 460 + 235 = ______
  15. 794 + 101 = ______
  16. 647 + 174 = ______
  17. 427 + 108 = ______
  18. 106 + 133 = ______
  19. 476 + 187 = ______
  20. 800 + 396 = ______

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Show answer key (for parents and teachers)
  1. 1. 711
  2. 2. 1,000
  3. 3. 934
  4. 4. 852
  5. 5. 546
  6. 6. 635
  7. 7. 594
  8. 8. 950
  9. 9. 769
  10. 10. 343
  11. 11. 24
  12. 12. 960
  13. 13. 164
  14. 14. 695
  15. 15. 895
  16. 16. 821
  17. 17. 535
  18. 18. 239
  19. 19. 663
  20. 20. 1,196

How to help with this skill

Third graders begin to use multiplication, division, fractions and measurement regularly. Discuss which operation fits the question.

  • Start with the larger addend and count on, or group numbers by place value.
  • Line up tens, hundreds, and ones when adding multi-digit numbers.
  • Check by subtracting one addend from the total.

Try this: Ask: Which two amounts are being combined? Draw a quick model if needed.

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More Grade 3 practice

Supplementary math practice, not a full curriculum. Review answers with your learner.