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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 185 · 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. 1.243 × 10 =
  2. 2.590 × 10 =
  3. 3.976 × ? = 9760
  4. 4.533 × 10 =
  5. 5.648 × ? = 6480
  6. 6.247 × 10 =
  7. 7.2 × 1000 =
  8. 8.37 × 100 =
  9. 9.720 × 10 =
  10. 10.37 × 1000 =
  11. 11.47 × 1000 =
  12. 12.364 × 10 =
  13. 13.14 × ? = 14000
  14. 14.11 × 1000 =
  15. 15.75 × 100 =
  16. 16.245 × 10 =
  17. 17.25 × 100 =
  18. 18.257 × 10 =
  19. 19.34 × ? = 3400
  20. 20.388 × ? = 3880
  21. 21.85 × 100 =
  22. 22.64 × 10 =
  23. 23.989 × ? = 9890
  24. 24.19 × 1000 =
  25. 25.4 × ? = 4000
  26. 26.37 × ? = 37000
  27. 27.22 × ? = 22000
  28. 28.79 × ? = 7900
  29. 29.399 × 10 =
  30. 30.41 × ? = 410
  31. 31.135 × 10 =
  32. 32.55 × 100 =
  33. 33.14 × 1000 =
  34. 34.491 × ? = 4910
  35. 35.263 × 10 =
  36. 36.279 × ? = 2790
  37. 37.23 × ? = 23000
  38. 38.82 × 100 =
  39. 39.152 × 10 =
  40. 40.193 × ? = 1930

Answer key

  1. 2430
  2. 5900
  3. 10
  4. 5330
  5. 10
  6. 2470
  7. 2000
  8. 3700
  9. 7200
  10. 37000
  11. 47000
  12. 3640
  13. 1000
  14. 11000
  15. 7500
  16. 2450
  17. 2500
  18. 2570
  19. 100
  20. 10
  21. 8500
  22. 640
  23. 10
  24. 19000
  25. 1000
  26. 1000
  27. 1000
  28. 100
  29. 3990
  30. 10
  31. 1350
  32. 5500
  33. 14000
  34. 10
  35. 2630
  36. 10
  37. 1000
  38. 8200
  39. 1520
  40. 10

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