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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 218 · 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. 1.20 × ? = 20000
  2. 2.35 × 1000 =
  3. 3.8 × 1000 =
  4. 4.79 × ? = 7900
  5. 5.737 × 10 =
  6. 6.8 × ? = 8000
  7. 7.602 × 10 =
  8. 8.400 × ? = 4000
  9. 9.329 × 10 =
  10. 10.257 × 10 =
  11. 11.36 × 100 =
  12. 12.41 × 100 =
  13. 13.917 × 10 =
  14. 14.13 × 1000 =
  15. 15.90 × 100 =
  16. 16.29 × 1000 =
  17. 17.694 × 10 =
  18. 18.415 × 10 =
  19. 19.35 × ? = 35000
  20. 20.21 × 1000 =
  21. 21.508 × ? = 5080
  22. 22.93 × 100 =
  23. 23.235 × 10 =
  24. 24.639 × 10 =
  25. 25.38 × 100 =
  26. 26.32 × 100 =
  27. 27.405 × ? = 4050
  28. 28.42 × ? = 42000
  29. 29.2 × ? = 2000
  30. 30.47 × 100 =
  31. 31.118 × ? = 1180
  32. 32.19 × 1000 =
  33. 33.40 × 1000 =
  34. 34.132 × ? = 1320
  35. 35.925 × 10 =
  36. 36.892 × ? = 8920
  37. 37.41 × 1000 =
  38. 38.31 × 1000 =
  39. 39.82 × 100 =
  40. 40.162 × 10 =

Answer key

  1. 1000
  2. 35000
  3. 8000
  4. 100
  5. 7370
  6. 1000
  7. 6020
  8. 10
  9. 3290
  10. 2570
  11. 3600
  12. 4100
  13. 9170
  14. 13000
  15. 9000
  16. 29000
  17. 6940
  18. 4150
  19. 1000
  20. 21000
  21. 10
  22. 9300
  23. 2350
  24. 6390
  25. 3800
  26. 3200
  27. 10
  28. 1000
  29. 1000
  30. 4700
  31. 10
  32. 19000
  33. 40000
  34. 10
  35. 9250
  36. 10
  37. 41000
  38. 31000
  39. 8200
  40. 1620

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