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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 4 · 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. 1.47 × ? = 47000
  2. 2.43 × 1000 =
  3. 3.50 × ? = 50000
  4. 4.42 × 1000 =
  5. 5.98 × ? = 980
  6. 6.136 × 10 =
  7. 7.8 × 100 =
  8. 8.11 × ? = 11000
  9. 9.15 × 1000 =
  10. 10.809 × ? = 8090
  11. 11.672 × 10 =
  12. 12.95 × 100 =
  13. 13.82 × 100 =
  14. 14.64 × 100 =
  15. 15.655 × ? = 6550
  16. 16.20 × ? = 20000
  17. 17.972 × 10 =
  18. 18.473 × 10 =
  19. 19.406 × 10 =
  20. 20.822 × ? = 8220
  21. 21.98 × 100 =
  22. 22.23 × ? = 2300
  23. 23.375 × 10 =
  24. 24.226 × ? = 2260
  25. 25.29 × 100 =
  26. 26.4 × ? = 400
  27. 27.54 × 100 =
  28. 28.86 × ? = 8600
  29. 29.35 × 100 =
  30. 30.966 × 10 =
  31. 31.476 × 10 =
  32. 32.87 × 100 =
  33. 33.40 × 100 =
  34. 34.58 × 10 =
  35. 35.73 × 100 =
  36. 36.39 × 1000 =
  37. 37.14 × 1000 =
  38. 38.455 × 10 =
  39. 39.902 × ? = 9020
  40. 40.197 × 10 =

Answer key

  1. 1000
  2. 43000
  3. 1000
  4. 42000
  5. 10
  6. 1360
  7. 800
  8. 1000
  9. 15000
  10. 10
  11. 6720
  12. 9500
  13. 8200
  14. 6400
  15. 10
  16. 1000
  17. 9720
  18. 4730
  19. 4060
  20. 10
  21. 9800
  22. 100
  23. 3750
  24. 10
  25. 2900
  26. 100
  27. 5400
  28. 100
  29. 3500
  30. 9660
  31. 4760
  32. 8700
  33. 4000
  34. 580
  35. 7300
  36. 39000
  37. 14000
  38. 4550
  39. 10
  40. 1970

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