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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 366 · 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. 1.21 × ? = 2100
  2. 2.118 × 10 =
  3. 3.13 × 100 =
  4. 4.49 × 100 =
  5. 5.27 × 100 =
  6. 6.45 × 1000 =
  7. 7.874 × 10 =
  8. 8.59 × ? = 5900
  9. 9.75 × 100 =
  10. 10.32 × ? = 3200
  11. 11.718 × ? = 7180
  12. 12.87 × ? = 8700
  13. 13.7 × ? = 7000
  14. 14.36 × ? = 36000
  15. 15.24 × 1000 =
  16. 16.7 × 100 =
  17. 17.214 × 10 =
  18. 18.41 × 1000 =
  19. 19.15 × ? = 15000
  20. 20.41 × ? = 4100
  21. 21.10 × ? = 1000
  22. 22.39 × 100 =
  23. 23.28 × ? = 2800
  24. 24.11 × ? = 11000
  25. 25.276 × 10 =
  26. 26.116 × 10 =
  27. 27.30 × 1000 =
  28. 28.764 × 10 =
  29. 29.26 × 1000 =
  30. 30.40 × 1000 =
  31. 31.515 × 10 =
  32. 32.885 × 10 =
  33. 33.34 × 100 =
  34. 34.844 × ? = 8440
  35. 35.260 × 10 =
  36. 36.843 × ? = 8430
  37. 37.42 × 1000 =
  38. 38.18 × 1000 =
  39. 39.326 × ? = 3260
  40. 40.27 × ? = 27000

Answer key

  1. 100
  2. 1180
  3. 1300
  4. 4900
  5. 2700
  6. 45000
  7. 8740
  8. 100
  9. 7500
  10. 100
  11. 10
  12. 100
  13. 1000
  14. 1000
  15. 24000
  16. 700
  17. 2140
  18. 41000
  19. 1000
  20. 100
  21. 100
  22. 3900
  23. 100
  24. 1000
  25. 2760
  26. 1160
  27. 30000
  28. 7640
  29. 26000
  30. 40000
  31. 5150
  32. 8850
  33. 3400
  34. 10
  35. 2600
  36. 10
  37. 42000
  38. 18000
  39. 10
  40. 1000

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