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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 680 · 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. 1.4 × ? = 4000
  2. 2.19 × ? = 1900
  3. 3.39 × 1000 =
  4. 4.91 × 100 =
  5. 5.15 × 100 =
  6. 6.38 × 1000 =
  7. 7.71 × 100 =
  8. 8.7 × 1000 =
  9. 9.40 × 1000 =
  10. 10.29 × 100 =
  11. 11.416 × ? = 4160
  12. 12.92 × ? = 9200
  13. 13.3 × 1000 =
  14. 14.15 × ? = 15000
  15. 15.45 × 1000 =
  16. 16.96 × 100 =
  17. 17.43 × 1000 =
  18. 18.265 × 10 =
  19. 19.326 × ? = 3260
  20. 20.44 × 1000 =
  21. 21.827 × ? = 8270
  22. 22.9 × ? = 9000
  23. 23.30 × 1000 =
  24. 24.74 × ? = 7400
  25. 25.42 × 1000 =
  26. 26.26 × 1000 =
  27. 27.362 × 10 =
  28. 28.48 × 100 =
  29. 29.736 × 10 =
  30. 30.910 × 10 =
  31. 31.45 × ? = 45000
  32. 32.341 × 10 =
  33. 33.21 × ? = 21000
  34. 34.38 × 100 =
  35. 35.41 × 1000 =
  36. 36.69 × 100 =
  37. 37.389 × ? = 3890
  38. 38.175 × ? = 1750
  39. 39.968 × ? = 9680
  40. 40.79 × ? = 7900

Answer key

  1. 1000
  2. 100
  3. 39000
  4. 9100
  5. 1500
  6. 38000
  7. 7100
  8. 7000
  9. 40000
  10. 2900
  11. 10
  12. 100
  13. 3000
  14. 1000
  15. 45000
  16. 9600
  17. 43000
  18. 2650
  19. 10
  20. 44000
  21. 10
  22. 1000
  23. 30000
  24. 100
  25. 42000
  26. 26000
  27. 3620
  28. 4800
  29. 7360
  30. 9100
  31. 1000
  32. 3410
  33. 1000
  34. 3800
  35. 41000
  36. 6900
  37. 10
  38. 10
  39. 10
  40. 100

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