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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 607 · 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. 1.49 × 100 =
  2. 2.18 × ? = 1800
  3. 3.39 × 1000 =
  4. 4.282 × ? = 2820
  5. 5.35 × ? = 3500
  6. 6.8 × 100 =
  7. 7.3 × 1000 =
  8. 8.21 × 100 =
  9. 9.32 × ? = 3200
  10. 10.464 × 10 =
  11. 11.16 × 1000 =
  12. 12.55 × 100 =
  13. 13.13 × 1000 =
  14. 14.30 × 1000 =
  15. 15.44 × ? = 4400
  16. 16.204 × ? = 2040
  17. 17.8 × 1000 =
  18. 18.951 × 10 =
  19. 19.11 × 100 =
  20. 20.9 × 100 =
  21. 21.104 × 10 =
  22. 22.4 × ? = 400
  23. 23.659 × ? = 6590
  24. 24.134 × ? = 1340
  25. 25.42 × ? = 42000
  26. 26.490 × ? = 4900
  27. 27.660 × 10 =
  28. 28.55 × ? = 5500
  29. 29.22 × 1000 =
  30. 30.14 × 100 =
  31. 31.628 × 10 =
  32. 32.10 × 1000 =
  33. 33.32 × 1000 =
  34. 34.17 × 1000 =
  35. 35.43 × ? = 4300
  36. 36.398 × 10 =
  37. 37.91 × ? = 9100
  38. 38.29 × 1000 =
  39. 39.90 × 100 =
  40. 40.93 × 100 =

Answer key

  1. 4900
  2. 100
  3. 39000
  4. 10
  5. 100
  6. 800
  7. 3000
  8. 2100
  9. 100
  10. 4640
  11. 16000
  12. 5500
  13. 13000
  14. 30000
  15. 100
  16. 10
  17. 8000
  18. 9510
  19. 1100
  20. 900
  21. 1040
  22. 100
  23. 10
  24. 10
  25. 1000
  26. 10
  27. 6600
  28. 100
  29. 22000
  30. 1400
  31. 6280
  32. 10000
  33. 32000
  34. 17000
  35. 100
  36. 3980
  37. 100
  38. 29000
  39. 9000
  40. 9300

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