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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 726 · 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. 1.58 × ? = 5800
  2. 2.857 × 10 =
  3. 3.7 × 100 =
  4. 4.582 × 10 =
  5. 5.5 × 1000 =
  6. 6.87 × ? = 8700
  7. 7.946 × 10 =
  8. 8.90 × 100 =
  9. 9.856 × 10 =
  10. 10.4 × 10 =
  11. 11.72 × ? = 7200
  12. 12.436 × 10 =
  13. 13.58 × 100 =
  14. 14.362 × ? = 3620
  15. 15.999 × ? = 9990
  16. 16.63 × 100 =
  17. 17.12 × 100 =
  18. 18.832 × 10 =
  19. 19.34 × 1000 =
  20. 20.950 × ? = 9500
  21. 21.84 × 100 =
  22. 22.9 × 100 =
  23. 23.281 × 10 =
  24. 24.96 × 100 =
  25. 25.846 × ? = 8460
  26. 26.25 × ? = 25000
  27. 27.33 × ? = 33000
  28. 28.15 × 100 =
  29. 29.71 × 10 =
  30. 30.38 × ? = 3800
  31. 31.25 × ? = 2500
  32. 32.6 × ? = 6000
  33. 33.3 × 100 =
  34. 34.20 × 1000 =
  35. 35.782 × ? = 7820
  36. 36.5 × ? = 5000
  37. 37.48 × 1000 =
  38. 38.697 × 10 =
  39. 39.71 × 100 =
  40. 40.380 × 10 =

Answer key

  1. 100
  2. 8570
  3. 700
  4. 5820
  5. 5000
  6. 100
  7. 9460
  8. 9000
  9. 8560
  10. 40
  11. 100
  12. 4360
  13. 5800
  14. 10
  15. 10
  16. 6300
  17. 1200
  18. 8320
  19. 34000
  20. 10
  21. 8400
  22. 900
  23. 2810
  24. 9600
  25. 10
  26. 1000
  27. 1000
  28. 1500
  29. 710
  30. 100
  31. 100
  32. 1000
  33. 300
  34. 20000
  35. 10
  36. 1000
  37. 48000
  38. 6970
  39. 7100
  40. 3800

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