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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 320 · 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. 1.38 × ? = 38000
  2. 2.3 × 1000 =
  3. 3.573 × 10 =
  4. 4.662 × 10 =
  5. 5.611 × ? = 6110
  6. 6.129 × 10 =
  7. 7.281 × 10 =
  8. 8.698 × ? = 6980
  9. 9.74 × 100 =
  10. 10.185 × ? = 1850
  11. 11.27 × ? = 27000
  12. 12.601 × ? = 6010
  13. 13.712 × 10 =
  14. 14.14 × 100 =
  15. 15.20 × 100 =
  16. 16.845 × ? = 8450
  17. 17.4 × 1000 =
  18. 18.16 × ? = 16000
  19. 19.50 × ? = 5000
  20. 20.9 × 1000 =
  21. 21.6 × 1000 =
  22. 22.282 × 10 =
  23. 23.96 × 10 =
  24. 24.168 × ? = 1680
  25. 25.4 × ? = 4000
  26. 26.145 × 10 =
  27. 27.78 × ? = 7800
  28. 28.24 × ? = 24000
  29. 29.26 × ? = 26000
  30. 30.8 × ? = 8000
  31. 31.17 × 1000 =
  32. 32.12 × 1000 =
  33. 33.395 × 10 =
  34. 34.980 × 10 =
  35. 35.639 × ? = 6390
  36. 36.144 × 10 =
  37. 37.26 × 100 =
  38. 38.59 × 100 =
  39. 39.99 × 100 =
  40. 40.50 × 100 =

Answer key

  1. 1000
  2. 3000
  3. 5730
  4. 6620
  5. 10
  6. 1290
  7. 2810
  8. 10
  9. 7400
  10. 10
  11. 1000
  12. 10
  13. 7120
  14. 1400
  15. 2000
  16. 10
  17. 4000
  18. 1000
  19. 100
  20. 9000
  21. 6000
  22. 2820
  23. 960
  24. 10
  25. 1000
  26. 1450
  27. 100
  28. 1000
  29. 1000
  30. 1000
  31. 17000
  32. 12000
  33. 3950
  34. 9800
  35. 10
  36. 1440
  37. 2600
  38. 5900
  39. 9900
  40. 5000

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