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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 411 · 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. 1.84 × ? = 8400
  2. 2.289 × 10 =
  3. 3.13 × ? = 1300
  4. 4.34 × 10 =
  5. 5.7 × 100 =
  6. 6.595 × 10 =
  7. 7.79 × 100 =
  8. 8.748 × 10 =
  9. 9.8 × 100 =
  10. 10.438 × 10 =
  11. 11.780 × ? = 7800
  12. 12.67 × ? = 6700
  13. 13.56 × 100 =
  14. 14.69 × 100 =
  15. 15.35 × 100 =
  16. 16.68 × 100 =
  17. 17.46 × ? = 4600
  18. 18.27 × ? = 2700
  19. 19.59 × ? = 5900
  20. 20.21 × 1000 =
  21. 21.801 × 10 =
  22. 22.315 × ? = 3150
  23. 23.9 × ? = 9000
  24. 24.71 × 100 =
  25. 25.49 × 1000 =
  26. 26.42 × 100 =
  27. 27.449 × 10 =
  28. 28.5 × 1000 =
  29. 29.10 × ? = 100
  30. 30.19 × ? = 19000
  31. 31.8 × ? = 8000
  32. 32.52 × ? = 5200
  33. 33.40 × 1000 =
  34. 34.47 × 100 =
  35. 35.278 × 10 =
  36. 36.400 × 10 =
  37. 37.15 × 100 =
  38. 38.157 × 10 =
  39. 39.118 × 10 =
  40. 40.10 × ? = 10000

Answer key

  1. 100
  2. 2890
  3. 100
  4. 340
  5. 700
  6. 5950
  7. 7900
  8. 7480
  9. 800
  10. 4380
  11. 10
  12. 100
  13. 5600
  14. 6900
  15. 3500
  16. 6800
  17. 100
  18. 100
  19. 100
  20. 21000
  21. 8010
  22. 10
  23. 1000
  24. 7100
  25. 49000
  26. 4200
  27. 4490
  28. 5000
  29. 10
  30. 1000
  31. 1000
  32. 100
  33. 40000
  34. 4700
  35. 2780
  36. 4000
  37. 1500
  38. 1570
  39. 1180
  40. 1000

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