FreeMath
Grade 3easy

Expanded Form Practice

Practice converting between standard form and expanded form. Understanding place value through expanded form builds number sense.

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All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.347 = 300 + 40 + ?
  2. 2.582 = 500 + ? + 2
  3. 3.926 = ? + 20 + 6
  4. 4.1,234 = 1,000 + 200 + 30 + ?
  5. 5.4,567 = 4,000 + 500 + ? + 7
  6. 6.2,089 = 2,000 + ? + 80 + 9
  7. 7.Standard form: 600 + 40 + 3 = ?
  8. 8.Standard form: 800 + 70 + 9 = ?
  9. 9.Standard form: 1,000 + 400 + 50 + 2 = ?
  10. 10.Standard form: 5,000 + 300 + 20 + 1 = ?
  11. 11.756 = 700 + ? + 6
  12. 12.3,402 = 3,000 + ? + 2
  13. 13.8,070 = 8,000 + ? + 0
  14. 14.Standard form: 900 + 5 = ?
  15. 15.Standard form: 2,000 + 60 + 8 = ?
  16. 16.6,543 = 6,000 + ? + 40 + 3
  17. 17.9,807 = 9,000 + 800 + ?
  18. 18.Standard form: 7,000 + 200 + 30 = ?
  19. 19.4,005 = 4,000 + ?
  20. 20.Standard form: 3,000 + 400 + 1 = ?
Show answer key
  1. 1.347 = 300 + 40 + ? Answer: 7
  2. 2.582 = 500 + ? + 2 Answer: 80
  3. 3.926 = ? + 20 + 6 Answer: 900
  4. 4.1,234 = 1,000 + 200 + 30 + ? Answer: 4
  5. 5.4,567 = 4,000 + 500 + ? + 7 Answer: 60
  6. 6.2,089 = 2,000 + ? + 80 + 9 Answer: 0
  7. 7.Standard form: 600 + 40 + 3 = ? Answer: 643
  8. 8.Standard form: 800 + 70 + 9 = ? Answer: 879
  9. 9.Standard form: 1,000 + 400 + 50 + 2 = ? Answer: 1452
  10. 10.Standard form: 5,000 + 300 + 20 + 1 = ? Answer: 5321
  11. 11.756 = 700 + ? + 6 Answer: 50
  12. 12.3,402 = 3,000 + ? + 2 Answer: 400
  13. 13.8,070 = 8,000 + ? + 0 Answer: 70
  14. 14.Standard form: 900 + 5 = ? Answer: 905
  15. 15.Standard form: 2,000 + 60 + 8 = ? Answer: 2068
  16. 16.6,543 = 6,000 + ? + 40 + 3 Answer: 500
  17. 17.9,807 = 9,000 + 800 + ? Answer: 7
  18. 18.Standard form: 7,000 + 200 + 30 = ? Answer: 7230
  19. 19.4,005 = 4,000 + ? Answer: 5
  20. 20.Standard form: 3,000 + 400 + 1 = ? Answer: 3401

About This Practice

These 20 problems strengthen place value understanding for multi-digit numbers.

Want more practice? See all Grade 3 practice →