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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 97 · 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. 1.5 × ? = 500
  2. 2.99 × 10 =
  3. 3.27 × 1000 =
  4. 4.47 × 1000 =
  5. 5.715 × 10 =
  6. 6.180 × 10 =
  7. 7.49 × 1000 =
  8. 8.18 × ? = 18000
  9. 9.378 × 10 =
  10. 10.49 × ? = 4900
  11. 11.42 × ? = 4200
  12. 12.39 × 1000 =
  13. 13.23 × 1000 =
  14. 14.75 × 100 =
  15. 15.844 × ? = 8440
  16. 16.61 × ? = 6100
  17. 17.413 × ? = 4130
  18. 18.742 × 10 =
  19. 19.49 × 100 =
  20. 20.24 × 1000 =
  21. 21.56 × ? = 5600
  22. 22.267 × 10 =
  23. 23.35 × 100 =
  24. 24.814 × 10 =
  25. 25.340 × 10 =
  26. 26.20 × ? = 20000
  27. 27.21 × 1000 =
  28. 28.70 × ? = 7000
  29. 29.934 × 10 =
  30. 30.9 × 100 =
  31. 31.238 × ? = 2380
  32. 32.95 × ? = 950
  33. 33.22 × ? = 2200
  34. 34.794 × 10 =
  35. 35.48 × 1000 =
  36. 36.4 × 1000 =
  37. 37.438 × ? = 4380
  38. 38.80 × 100 =
  39. 39.254 × 10 =
  40. 40.85 × 100 =

Answer key

  1. 100
  2. 990
  3. 27000
  4. 47000
  5. 7150
  6. 1800
  7. 49000
  8. 1000
  9. 3780
  10. 100
  11. 100
  12. 39000
  13. 23000
  14. 7500
  15. 10
  16. 100
  17. 10
  18. 7420
  19. 4900
  20. 24000
  21. 100
  22. 2670
  23. 3500
  24. 8140
  25. 3400
  26. 1000
  27. 21000
  28. 100
  29. 9340
  30. 900
  31. 10
  32. 10
  33. 100
  34. 7940
  35. 48000
  36. 4000
  37. 10
  38. 8000
  39. 2540
  40. 8500

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