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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 804 · 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. 1.78 × ? = 780
  2. 2.24 × 1000 =
  3. 3.50 × 100 =
  4. 4.7 × 1000 =
  5. 5.50 × 1000 =
  6. 6.48 × 100 =
  7. 7.40 × 1000 =
  8. 8.492 × ? = 4920
  9. 9.520 × ? = 5200
  10. 10.395 × ? = 3950
  11. 11.307 × ? = 3070
  12. 12.15 × ? = 15000
  13. 13.62 × 100 =
  14. 14.69 × ? = 6900
  15. 15.470 × ? = 4700
  16. 16.233 × 10 =
  17. 17.36 × 1000 =
  18. 18.28 × ? = 28000
  19. 19.204 × 10 =
  20. 20.71 × 10 =
  21. 21.23 × ? = 23000
  22. 22.658 × 10 =
  23. 23.19 × 1000 =
  24. 24.757 × 10 =
  25. 25.74 × ? = 7400
  26. 26.49 × 1000 =
  27. 27.491 × 10 =
  28. 28.747 × 10 =
  29. 29.461 × 10 =
  30. 30.422 × 10 =
  31. 31.890 × 10 =
  32. 32.335 × 10 =
  33. 33.39 × 1000 =
  34. 34.39 × 100 =
  35. 35.75 × ? = 7500
  36. 36.898 × ? = 8980
  37. 37.790 × ? = 7900
  38. 38.75 × 100 =
  39. 39.751 × 10 =
  40. 40.86 × 100 =

Answer key

  1. 10
  2. 24000
  3. 5000
  4. 7000
  5. 50000
  6. 4800
  7. 40000
  8. 10
  9. 10
  10. 10
  11. 10
  12. 1000
  13. 6200
  14. 100
  15. 10
  16. 2330
  17. 36000
  18. 1000
  19. 2040
  20. 710
  21. 1000
  22. 6580
  23. 19000
  24. 7570
  25. 100
  26. 49000
  27. 4910
  28. 7470
  29. 4610
  30. 4220
  31. 8900
  32. 3350
  33. 39000
  34. 3900
  35. 100
  36. 10
  37. 10
  38. 7500
  39. 7510
  40. 8600

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