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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 617 · 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. 1.18 × 1000 =
  2. 2.701 × 10 =
  3. 3.912 × 10 =
  4. 4.8 × 1000 =
  5. 5.50 × 100 =
  6. 6.11 × 1000 =
  7. 7.21 × ? = 21000
  8. 8.171 × ? = 1710
  9. 9.27 × ? = 27000
  10. 10.21 × 10 =
  11. 11.84 × 100 =
  12. 12.26 × 1000 =
  13. 13.47 × ? = 4700
  14. 14.125 × 10 =
  15. 15.139 × ? = 1390
  16. 16.443 × ? = 4430
  17. 17.710 × 10 =
  18. 18.847 × ? = 8470
  19. 19.808 × ? = 8080
  20. 20.46 × 100 =
  21. 21.5 × ? = 5000
  22. 22.8 × ? = 8000
  23. 23.31 × 100 =
  24. 24.12 × ? = 1200
  25. 25.46 × ? = 46000
  26. 26.65 × 100 =
  27. 27.40 × ? = 400
  28. 28.3 × 1000 =
  29. 29.13 × 1000 =
  30. 30.953 × ? = 9530
  31. 31.647 × ? = 6470
  32. 32.32 × 100 =
  33. 33.33 × ? = 3300
  34. 34.286 × 10 =
  35. 35.89 × 100 =
  36. 36.71 × 100 =
  37. 37.296 × 10 =
  38. 38.708 × 10 =
  39. 39.842 × 10 =
  40. 40.42 × 1000 =

Answer key

  1. 18000
  2. 7010
  3. 9120
  4. 8000
  5. 5000
  6. 11000
  7. 1000
  8. 10
  9. 1000
  10. 210
  11. 8400
  12. 26000
  13. 100
  14. 1250
  15. 10
  16. 10
  17. 7100
  18. 10
  19. 10
  20. 4600
  21. 1000
  22. 1000
  23. 3100
  24. 100
  25. 1000
  26. 6500
  27. 10
  28. 3000
  29. 13000
  30. 10
  31. 10
  32. 3200
  33. 100
  34. 2860
  35. 8900
  36. 7100
  37. 2960
  38. 7080
  39. 8420
  40. 42000

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