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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 829 · 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. 1.28 × 1000 =
  2. 2.179 × ? = 1790
  3. 3.583 × 10 =
  4. 4.39 × ? = 39000
  5. 5.7 × 1000 =
  6. 6.31 × ? = 3100
  7. 7.628 × 10 =
  8. 8.16 × 1000 =
  9. 9.24 × 100 =
  10. 10.39 × 100 =
  11. 11.31 × 100 =
  12. 12.9 × ? = 9000
  13. 13.39 × ? = 390
  14. 14.39 × 1000 =
  15. 15.48 × ? = 4800
  16. 16.52 × 100 =
  17. 17.574 × 10 =
  18. 18.502 × 10 =
  19. 19.559 × 10 =
  20. 20.4 × 100 =
  21. 21.36 × ? = 3600
  22. 22.24 × ? = 2400
  23. 23.7 × ? = 70
  24. 24.13 × 100 =
  25. 25.22 × 100 =
  26. 26.264 × ? = 2640
  27. 27.91 × 100 =
  28. 28.862 × 10 =
  29. 29.22 × ? = 22000
  30. 30.253 × ? = 2530
  31. 31.242 × 10 =
  32. 32.652 × ? = 6520
  33. 33.65 × ? = 6500
  34. 34.38 × 1000 =
  35. 35.14 × 1000 =
  36. 36.31 × 1000 =
  37. 37.521 × ? = 5210
  38. 38.5 × 1000 =
  39. 39.19 × ? = 1900
  40. 40.43 × 1000 =

Answer key

  1. 28000
  2. 10
  3. 5830
  4. 1000
  5. 7000
  6. 100
  7. 6280
  8. 16000
  9. 2400
  10. 3900
  11. 3100
  12. 1000
  13. 10
  14. 39000
  15. 100
  16. 5200
  17. 5740
  18. 5020
  19. 5590
  20. 400
  21. 100
  22. 100
  23. 10
  24. 1300
  25. 2200
  26. 10
  27. 9100
  28. 8620
  29. 1000
  30. 10
  31. 2420
  32. 10
  33. 100
  34. 38000
  35. 14000
  36. 31000
  37. 10
  38. 5000
  39. 100
  40. 43000

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