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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 674 · 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. 1.554 × ? = 5540
  2. 2.470 × ? = 4700
  3. 3.50 × 100 =
  4. 4.96 × ? = 9600
  5. 5.42 × 1000 =
  6. 6.16 × 100 =
  7. 7.29 × 1000 =
  8. 8.33 × 1000 =
  9. 9.87 × 100 =
  10. 10.29 × 100 =
  11. 11.640 × 10 =
  12. 12.32 × 1000 =
  13. 13.72 × 100 =
  14. 14.169 × 10 =
  15. 15.17 × 1000 =
  16. 16.29 × ? = 29000
  17. 17.2 × 1000 =
  18. 18.98 × ? = 980
  19. 19.454 × 10 =
  20. 20.404 × 10 =
  21. 21.165 × 10 =
  22. 22.6 × 10 =
  23. 23.85 × 10 =
  24. 24.313 × ? = 3130
  25. 25.23 × ? = 2300
  26. 26.20 × 1000 =
  27. 27.72 × ? = 720
  28. 28.580 × 10 =
  29. 29.22 × 1000 =
  30. 30.273 × 10 =
  31. 31.74 × 100 =
  32. 32.237 × 10 =
  33. 33.186 × 10 =
  34. 34.40 × 100 =
  35. 35.58 × 100 =
  36. 36.47 × ? = 47000
  37. 37.41 × ? = 41000
  38. 38.418 × 10 =
  39. 39.769 × ? = 7690
  40. 40.241 × 10 =

Answer key

  1. 10
  2. 10
  3. 5000
  4. 100
  5. 42000
  6. 1600
  7. 29000
  8. 33000
  9. 8700
  10. 2900
  11. 6400
  12. 32000
  13. 7200
  14. 1690
  15. 17000
  16. 1000
  17. 2000
  18. 10
  19. 4540
  20. 4040
  21. 1650
  22. 60
  23. 850
  24. 10
  25. 100
  26. 20000
  27. 10
  28. 5800
  29. 22000
  30. 2730
  31. 7400
  32. 2370
  33. 1860
  34. 4000
  35. 5800
  36. 1000
  37. 1000
  38. 4180
  39. 10
  40. 2410

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