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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 606 · 40 questions
TalentJR

The trick (Place-value slide): × 10: write one 0 after the number. × 100: write two 0s. × 1000: write three 0s. Missing number: count how many zeros were added — one 0 is × 10, two 0s is × 100.

NameDateTime takenScore ___ / 40
  1. 1.29 × ? = 2900
  2. 2.23 × 100 =
  3. 3.266 × ? = 2660
  4. 4.280 × 10 =
  5. 5.20 × ? = 20000
  6. 6.37 × 100 =
  7. 7.39 × 1000 =
  8. 8.83 × ? = 830
  9. 9.466 × ? = 4660
  10. 10.33 × 100 =
  11. 11.49 × 1000 =
  12. 12.48 × 100 =
  13. 13.30 × 1000 =
  14. 14.48 × 1000 =
  15. 15.31 × 100 =
  16. 16.35 × 1000 =
  17. 17.5 × 1000 =
  18. 18.259 × 10 =
  19. 19.174 × 10 =
  20. 20.749 × ? = 7490
  21. 21.265 × 10 =
  22. 22.31 × ? = 31000
  23. 23.37 × ? = 3700
  24. 24.6 × 100 =
  25. 25.40 × ? = 4000
  26. 26.52 × ? = 5200
  27. 27.486 × ? = 4860
  28. 28.85 × ? = 850
  29. 29.493 × 10 =
  30. 30.86 × 100 =
  31. 31.60 × 100 =
  32. 32.845 × ? = 8450
  33. 33.640 × 10 =
  34. 34.75 × ? = 7500
  35. 35.551 × ? = 5510
  36. 36.851 × 10 =
  37. 37.22 × 100 =
  38. 38.176 × 10 =
  39. 39.98 × 10 =
  40. 40.49 × ? = 49000

Answer key

  1. 100
  2. 2300
  3. 10
  4. 2800
  5. 1000
  6. 3700
  7. 39000
  8. 10
  9. 10
  10. 3300
  11. 49000
  12. 4800
  13. 30000
  14. 48000
  15. 3100
  16. 35000
  17. 5000
  18. 2590
  19. 1740
  20. 10
  21. 2650
  22. 1000
  23. 100
  24. 600
  25. 100
  26. 100
  27. 10
  28. 10
  29. 4930
  30. 8600
  31. 6000
  32. 10
  33. 6400
  34. 100
  35. 10
  36. 8510
  37. 2200
  38. 1760
  39. 980
  40. 1000

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