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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 767 · 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. 1.6 × ? = 6000
  2. 2.55 × ? = 5500
  3. 3.421 × ? = 4210
  4. 4.50 × ? = 5000
  5. 5.83 × 100 =
  6. 6.68 × 100 =
  7. 7.721 × 10 =
  8. 8.26 × 100 =
  9. 9.39 × ? = 39000
  10. 10.33 × 100 =
  11. 11.17 × ? = 17000
  12. 12.62 × 100 =
  13. 13.540 × 10 =
  14. 14.270 × ? = 2700
  15. 15.17 × 1000 =
  16. 16.179 × ? = 1790
  17. 17.30 × 1000 =
  18. 18.265 × 10 =
  19. 19.57 × ? = 5700
  20. 20.12 × 1000 =
  21. 21.367 × ? = 3670
  22. 22.73 × 10 =
  23. 23.21 × ? = 2100
  24. 24.25 × ? = 250
  25. 25.26 × ? = 2600
  26. 26.49 × 100 =
  27. 27.281 × 10 =
  28. 28.38 × ? = 38000
  29. 29.45 × 1000 =
  30. 30.846 × 10 =
  31. 31.29 × ? = 29000
  32. 32.18 × 100 =
  33. 33.600 × 10 =
  34. 34.194 × ? = 1940
  35. 35.31 × 1000 =
  36. 36.879 × ? = 8790
  37. 37.982 × 10 =
  38. 38.88 × 100 =
  39. 39.483 × 10 =
  40. 40.37 × 1000 =

Answer key

  1. 1000
  2. 100
  3. 10
  4. 100
  5. 8300
  6. 6800
  7. 7210
  8. 2600
  9. 1000
  10. 3300
  11. 1000
  12. 6200
  13. 5400
  14. 10
  15. 17000
  16. 10
  17. 30000
  18. 2650
  19. 100
  20. 12000
  21. 10
  22. 730
  23. 100
  24. 10
  25. 100
  26. 4900
  27. 2810
  28. 1000
  29. 45000
  30. 8460
  31. 1000
  32. 1800
  33. 6000
  34. 10
  35. 31000
  36. 10
  37. 9820
  38. 8800
  39. 4830
  40. 37000

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