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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 35 · 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. 1.65 × 100 =
  2. 2.40 × ? = 4000
  3. 3.375 × ? = 3750
  4. 4.44 × 1000 =
  5. 5.410 × ? = 4100
  6. 6.42 × ? = 42000
  7. 7.901 × 10 =
  8. 8.14 × 100 =
  9. 9.132 × 10 =
  10. 10.91 × ? = 9100
  11. 11.523 × 10 =
  12. 12.21 × ? = 21000
  13. 13.61 × 100 =
  14. 14.75 × 100 =
  15. 15.11 × ? = 1100
  16. 16.14 × ? = 14000
  17. 17.885 × 10 =
  18. 18.4 × 100 =
  19. 19.10 × ? = 10000
  20. 20.428 × ? = 4280
  21. 21.597 × 10 =
  22. 22.615 × 10 =
  23. 23.30 × ? = 30000
  24. 24.18 × 100 =
  25. 25.445 × 10 =
  26. 26.27 × ? = 27000
  27. 27.16 × 1000 =
  28. 28.12 × 1000 =
  29. 29.19 × ? = 190
  30. 30.83 × 10 =
  31. 31.70 × ? = 7000
  32. 32.16 × ? = 1600
  33. 33.45 × 1000 =
  34. 34.77 × 100 =
  35. 35.154 × 10 =
  36. 36.25 × ? = 25000
  37. 37.17 × 100 =
  38. 38.748 × 10 =
  39. 39.30 × 100 =
  40. 40.50 × 100 =

Answer key

  1. 6500
  2. 100
  3. 10
  4. 44000
  5. 10
  6. 1000
  7. 9010
  8. 1400
  9. 1320
  10. 100
  11. 5230
  12. 1000
  13. 6100
  14. 7500
  15. 100
  16. 1000
  17. 8850
  18. 400
  19. 1000
  20. 10
  21. 5970
  22. 6150
  23. 1000
  24. 1800
  25. 4450
  26. 1000
  27. 16000
  28. 12000
  29. 10
  30. 830
  31. 100
  32. 100
  33. 45000
  34. 7700
  35. 1540
  36. 1000
  37. 1700
  38. 7480
  39. 3000
  40. 5000

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