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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 439 · 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. 1.20 × ? = 2000
  2. 2.2 × ? = 2000
  3. 3.134 × 10 =
  4. 4.10 × 100 =
  5. 5.31 × ? = 31000
  6. 6.27 × ? = 2700
  7. 7.90 × 10 =
  8. 8.699 × ? = 6990
  9. 9.463 × ? = 4630
  10. 10.286 × 10 =
  11. 11.60 × ? = 6000
  12. 12.919 × ? = 9190
  13. 13.96 × 10 =
  14. 14.305 × ? = 3050
  15. 15.11 × 1000 =
  16. 16.130 × ? = 1300
  17. 17.877 × 10 =
  18. 18.602 × ? = 6020
  19. 19.49 × ? = 4900
  20. 20.39 × ? = 39000
  21. 21.574 × 10 =
  22. 22.44 × ? = 44000
  23. 23.14 × 1000 =
  24. 24.17 × 100 =
  25. 25.196 × ? = 1960
  26. 26.9 × 100 =
  27. 27.16 × 100 =
  28. 28.17 × 1000 =
  29. 29.347 × 10 =
  30. 30.23 × 100 =
  31. 31.171 × ? = 1710
  32. 32.45 × 1000 =
  33. 33.887 × 10 =
  34. 34.13 × ? = 1300
  35. 35.39 × ? = 3900
  36. 36.37 × ? = 37000
  37. 37.32 × 1000 =
  38. 38.48 × 100 =
  39. 39.27 × 1000 =
  40. 40.440 × ? = 4400

Answer key

  1. 100
  2. 1000
  3. 1340
  4. 1000
  5. 1000
  6. 100
  7. 900
  8. 10
  9. 10
  10. 2860
  11. 100
  12. 10
  13. 960
  14. 10
  15. 11000
  16. 10
  17. 8770
  18. 10
  19. 100
  20. 1000
  21. 5740
  22. 1000
  23. 14000
  24. 1700
  25. 10
  26. 900
  27. 1600
  28. 17000
  29. 3470
  30. 2300
  31. 10
  32. 45000
  33. 8870
  34. 100
  35. 100
  36. 1000
  37. 32000
  38. 4800
  39. 27000
  40. 10

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