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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 17 · 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. 1.28 × 1000 =
  2. 2.787 × 10 =
  3. 3.7 × 1000 =
  4. 4.17 × 1000 =
  5. 5.48 × 100 =
  6. 6.820 × 10 =
  7. 7.39 × ? = 39000
  8. 8.91 × ? = 910
  9. 9.29 × ? = 2900
  10. 10.4 × ? = 4000
  11. 11.5 × 1000 =
  12. 12.2 × 100 =
  13. 13.29 × 100 =
  14. 14.495 × ? = 4950
  15. 15.26 × ? = 26000
  16. 16.23 × 100 =
  17. 17.48 × 1000 =
  18. 18.13 × 100 =
  19. 19.31 × 1000 =
  20. 20.140 × ? = 1400
  21. 21.36 × 1000 =
  22. 22.589 × 10 =
  23. 23.46 × 1000 =
  24. 24.478 × 10 =
  25. 25.512 × 10 =
  26. 26.55 × 100 =
  27. 27.2 × ? = 2000
  28. 28.88 × 100 =
  29. 29.31 × ? = 3100
  30. 30.50 × 100 =
  31. 31.6 × ? = 6000
  32. 32.62 × ? = 6200
  33. 33.12 × 100 =
  34. 34.10 × 100 =
  35. 35.531 × ? = 5310
  36. 36.11 × 1000 =
  37. 37.5 × ? = 5000
  38. 38.65 × 100 =
  39. 39.33 × 100 =
  40. 40.153 × 10 =

Answer key

  1. 28000
  2. 7870
  3. 7000
  4. 17000
  5. 4800
  6. 8200
  7. 1000
  8. 10
  9. 100
  10. 1000
  11. 5000
  12. 200
  13. 2900
  14. 10
  15. 1000
  16. 2300
  17. 48000
  18. 1300
  19. 31000
  20. 10
  21. 36000
  22. 5890
  23. 46000
  24. 4780
  25. 5120
  26. 5500
  27. 1000
  28. 8800
  29. 100
  30. 5000
  31. 1000
  32. 100
  33. 1200
  34. 1000
  35. 10
  36. 11000
  37. 1000
  38. 6500
  39. 3300
  40. 1530

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