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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 116 · 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 × 1000 =
  2. 2.26 × 1000 =
  3. 3.15 × 10 =
  4. 4.5 × 100 =
  5. 5.64 × 100 =
  6. 6.84 × ? = 8400
  7. 7.11 × 100 =
  8. 8.11 × 1000 =
  9. 9.46 × 1000 =
  10. 10.43 × 100 =
  11. 11.174 × 10 =
  12. 12.293 × 10 =
  13. 13.72 × ? = 7200
  14. 14.19 × ? = 19000
  15. 15.96 × ? = 9600
  16. 16.128 × 10 =
  17. 17.271 × 10 =
  18. 18.5 × ? = 5000
  19. 19.41 × 1000 =
  20. 20.188 × ? = 1880
  21. 21.35 × 1000 =
  22. 22.94 × ? = 9400
  23. 23.761 × 10 =
  24. 24.78 × 100 =
  25. 25.58 × 100 =
  26. 26.36 × 100 =
  27. 27.790 × ? = 7900
  28. 28.54 × 100 =
  29. 29.478 × 10 =
  30. 30.355 × ? = 3550
  31. 31.57 × ? = 5700
  32. 32.34 × ? = 34000
  33. 33.83 × ? = 8300
  34. 34.36 × 1000 =
  35. 35.50 × 100 =
  36. 36.25 × ? = 2500
  37. 37.35 × ? = 3500
  38. 38.531 × 10 =
  39. 39.157 × 10 =
  40. 40.28 × ? = 2800

Answer key

  1. 21000
  2. 26000
  3. 150
  4. 500
  5. 6400
  6. 100
  7. 1100
  8. 11000
  9. 46000
  10. 4300
  11. 1740
  12. 2930
  13. 100
  14. 1000
  15. 100
  16. 1280
  17. 2710
  18. 1000
  19. 41000
  20. 10
  21. 35000
  22. 100
  23. 7610
  24. 7800
  25. 5800
  26. 3600
  27. 10
  28. 5400
  29. 4780
  30. 10
  31. 100
  32. 1000
  33. 100
  34. 36000
  35. 5000
  36. 100
  37. 100
  38. 5310
  39. 1570
  40. 100

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