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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 643 · 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. 1.872 × ? = 8720
  2. 2.751 × ? = 7510
  3. 3.765 × 10 =
  4. 4.87 × ? = 8700
  5. 5.922 × ? = 9220
  6. 6.47 × ? = 47000
  7. 7.657 × ? = 6570
  8. 8.665 × ? = 6650
  9. 9.49 × 100 =
  10. 10.447 × ? = 4470
  11. 11.43 × 100 =
  12. 12.65 × ? = 6500
  13. 13.249 × 10 =
  14. 14.378 × 10 =
  15. 15.35 × 1000 =
  16. 16.47 × 1000 =
  17. 17.12 × ? = 1200
  18. 18.87 × 100 =
  19. 19.51 × 100 =
  20. 20.16 × 100 =
  21. 21.700 × 10 =
  22. 22.12 × 1000 =
  23. 23.32 × ? = 32000
  24. 24.961 × ? = 9610
  25. 25.9 × ? = 900
  26. 26.29 × 100 =
  27. 27.951 × 10 =
  28. 28.746 × ? = 7460
  29. 29.78 × ? = 7800
  30. 30.437 × 10 =
  31. 31.34 × ? = 340
  32. 32.98 × ? = 9800
  33. 33.42 × ? = 4200
  34. 34.9 × ? = 9000
  35. 35.37 × 100 =
  36. 36.30 × 1000 =
  37. 37.718 × ? = 7180
  38. 38.34 × ? = 3400
  39. 39.45 × 100 =
  40. 40.447 × 10 =

Answer key

  1. 10
  2. 10
  3. 7650
  4. 100
  5. 10
  6. 1000
  7. 10
  8. 10
  9. 4900
  10. 10
  11. 4300
  12. 100
  13. 2490
  14. 3780
  15. 35000
  16. 47000
  17. 100
  18. 8700
  19. 5100
  20. 1600
  21. 7000
  22. 12000
  23. 1000
  24. 10
  25. 100
  26. 2900
  27. 9510
  28. 10
  29. 100
  30. 4370
  31. 10
  32. 100
  33. 100
  34. 1000
  35. 3700
  36. 30000
  37. 10
  38. 100
  39. 4500
  40. 4470

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