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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 689 · 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. 1.49 × ? = 49000
  2. 2.401 × 10 =
  3. 3.235 × 10 =
  4. 4.111 × ? = 1110
  5. 5.24 × 100 =
  6. 6.54 × ? = 5400
  7. 7.57 × ? = 5700
  8. 8.26 × ? = 26000
  9. 9.5 × ? = 5000
  10. 10.552 × ? = 5520
  11. 11.89 × 100 =
  12. 12.168 × 10 =
  13. 13.75 × 100 =
  14. 14.310 × ? = 3100
  15. 15.64 × 100 =
  16. 16.297 × 10 =
  17. 17.42 × ? = 4200
  18. 18.40 × 1000 =
  19. 19.652 × 10 =
  20. 20.16 × 1000 =
  21. 21.261 × 10 =
  22. 22.21 × ? = 21000
  23. 23.72 × 100 =
  24. 24.740 × 10 =
  25. 25.428 × 10 =
  26. 26.850 × ? = 8500
  27. 27.66 × ? = 6600
  28. 28.412 × ? = 4120
  29. 29.22 × 100 =
  30. 30.252 × 10 =
  31. 31.43 × 1000 =
  32. 32.41 × ? = 41000
  33. 33.36 × 1000 =
  34. 34.18 × 1000 =
  35. 35.23 × 1000 =
  36. 36.649 × 10 =
  37. 37.69 × ? = 6900
  38. 38.2 × ? = 200
  39. 39.7 × ? = 7000
  40. 40.45 × 10 =

Answer key

  1. 1000
  2. 4010
  3. 2350
  4. 10
  5. 2400
  6. 100
  7. 100
  8. 1000
  9. 1000
  10. 10
  11. 8900
  12. 1680
  13. 7500
  14. 10
  15. 6400
  16. 2970
  17. 100
  18. 40000
  19. 6520
  20. 16000
  21. 2610
  22. 1000
  23. 7200
  24. 7400
  25. 4280
  26. 10
  27. 100
  28. 10
  29. 2200
  30. 2520
  31. 43000
  32. 1000
  33. 36000
  34. 18000
  35. 23000
  36. 6490
  37. 100
  38. 100
  39. 1000
  40. 450

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