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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 166 · 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. 1.930 × 10 =
  2. 2.439 × ? = 4390
  3. 3.41 × 1000 =
  4. 4.978 × 10 =
  5. 5.415 × 10 =
  6. 6.19 × 1000 =
  7. 7.32 × ? = 32000
  8. 8.81 × ? = 8100
  9. 9.30 × 100 =
  10. 10.966 × 10 =
  11. 11.751 × ? = 7510
  12. 12.455 × ? = 4550
  13. 13.27 × 1000 =
  14. 14.57 × ? = 5700
  15. 15.4 × ? = 4000
  16. 16.33 × 100 =
  17. 17.148 × ? = 1480
  18. 18.704 × 10 =
  19. 19.77 × ? = 7700
  20. 20.49 × ? = 49000
  21. 21.50 × 1000 =
  22. 22.31 × 100 =
  23. 23.459 × ? = 4590
  24. 24.45 × 100 =
  25. 25.78 × 100 =
  26. 26.2 × 1000 =
  27. 27.25 × 100 =
  28. 28.667 × 10 =
  29. 29.26 × 100 =
  30. 30.49 × ? = 4900
  31. 31.41 × ? = 41000
  32. 32.26 × 1000 =
  33. 33.34 × ? = 34000
  34. 34.893 × ? = 8930
  35. 35.43 × 10 =
  36. 36.99 × 100 =
  37. 37.21 × 1000 =
  38. 38.47 × ? = 470
  39. 39.5 × 1000 =
  40. 40.222 × ? = 2220

Answer key

  1. 9300
  2. 10
  3. 41000
  4. 9780
  5. 4150
  6. 19000
  7. 1000
  8. 100
  9. 3000
  10. 9660
  11. 10
  12. 10
  13. 27000
  14. 100
  15. 1000
  16. 3300
  17. 10
  18. 7040
  19. 100
  20. 1000
  21. 50000
  22. 3100
  23. 10
  24. 4500
  25. 7800
  26. 2000
  27. 2500
  28. 6670
  29. 2600
  30. 100
  31. 1000
  32. 26000
  33. 1000
  34. 10
  35. 430
  36. 9900
  37. 21000
  38. 10
  39. 5000
  40. 10

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