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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 132 · 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. 1.90 × 100 =
  2. 2.31 × 100 =
  3. 3.17 × ? = 17000
  4. 4.43 × ? = 43000
  5. 5.76 × 100 =
  6. 6.29 × 1000 =
  7. 7.43 × 10 =
  8. 8.41 × ? = 4100
  9. 9.400 × 10 =
  10. 10.15 × 1000 =
  11. 11.865 × ? = 8650
  12. 12.24 × 100 =
  13. 13.4 × 1000 =
  14. 14.26 × ? = 26000
  15. 15.421 × 10 =
  16. 16.54 × ? = 5400
  17. 17.21 × 100 =
  18. 18.898 × ? = 8980
  19. 19.56 × 100 =
  20. 20.526 × ? = 5260
  21. 21.44 × 1000 =
  22. 22.49 × 100 =
  23. 23.49 × ? = 49000
  24. 24.925 × ? = 9250
  25. 25.14 × ? = 14000
  26. 26.681 × ? = 6810
  27. 27.10 × 1000 =
  28. 28.34 × 100 =
  29. 29.41 × 1000 =
  30. 30.572 × 10 =
  31. 31.27 × ? = 2700
  32. 32.538 × 10 =
  33. 33.81 × 100 =
  34. 34.458 × 10 =
  35. 35.69 × ? = 6900
  36. 36.40 × 100 =
  37. 37.50 × ? = 5000
  38. 38.67 × 100 =
  39. 39.32 × 100 =
  40. 40.742 × ? = 7420

Answer key

  1. 9000
  2. 3100
  3. 1000
  4. 1000
  5. 7600
  6. 29000
  7. 430
  8. 100
  9. 4000
  10. 15000
  11. 10
  12. 2400
  13. 4000
  14. 1000
  15. 4210
  16. 100
  17. 2100
  18. 10
  19. 5600
  20. 10
  21. 44000
  22. 4900
  23. 1000
  24. 10
  25. 1000
  26. 10
  27. 10000
  28. 3400
  29. 41000
  30. 5720
  31. 100
  32. 5380
  33. 8100
  34. 4580
  35. 100
  36. 4000
  37. 100
  38. 6700
  39. 3200
  40. 10

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