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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 442 · 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. 1.71 × ? = 7100
  2. 2.194 × 10 =
  3. 3.43 × 1000 =
  4. 4.319 × 10 =
  5. 5.19 × ? = 19000
  6. 6.944 × 10 =
  7. 7.898 × 10 =
  8. 8.34 × 100 =
  9. 9.4 × 100 =
  10. 10.46 × 1000 =
  11. 11.5 × 1000 =
  12. 12.728 × ? = 7280
  13. 13.2 × 100 =
  14. 14.38 × 1000 =
  15. 15.44 × 10 =
  16. 16.50 × ? = 500
  17. 17.22 × 10 =
  18. 18.7 × 1000 =
  19. 19.12 × ? = 1200
  20. 20.13 × ? = 1300
  21. 21.647 × 10 =
  22. 22.17 × ? = 1700
  23. 23.626 × ? = 6260
  24. 24.624 × 10 =
  25. 25.65 × 100 =
  26. 26.84 × ? = 8400
  27. 27.11 × 1000 =
  28. 28.21 × ? = 21000
  29. 29.84 × 100 =
  30. 30.315 × 10 =
  31. 31.25 × 1000 =
  32. 32.259 × 10 =
  33. 33.185 × 10 =
  34. 34.247 × 10 =
  35. 35.12 × 100 =
  36. 36.675 × ? = 6750
  37. 37.48 × ? = 48000
  38. 38.34 × ? = 34000
  39. 39.38 × ? = 3800
  40. 40.876 × 10 =

Answer key

  1. 100
  2. 1940
  3. 43000
  4. 3190
  5. 1000
  6. 9440
  7. 8980
  8. 3400
  9. 400
  10. 46000
  11. 5000
  12. 10
  13. 200
  14. 38000
  15. 440
  16. 10
  17. 220
  18. 7000
  19. 100
  20. 100
  21. 6470
  22. 100
  23. 10
  24. 6240
  25. 6500
  26. 100
  27. 11000
  28. 1000
  29. 8400
  30. 3150
  31. 25000
  32. 2590
  33. 1850
  34. 2470
  35. 1200
  36. 10
  37. 1000
  38. 1000
  39. 100
  40. 8760

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