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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 522 · 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. 1.686 × 10 =
  2. 2.10 × 1000 =
  3. 3.45 × 1000 =
  4. 4.920 × 10 =
  5. 5.841 × 10 =
  6. 6.81 × 100 =
  7. 7.239 × 10 =
  8. 8.712 × ? = 7120
  9. 9.817 × ? = 8170
  10. 10.60 × ? = 6000
  11. 11.91 × 100 =
  12. 12.31 × 1000 =
  13. 13.20 × ? = 20000
  14. 14.18 × ? = 18000
  15. 15.90 × ? = 9000
  16. 16.654 × 10 =
  17. 17.37 × 1000 =
  18. 18.80 × 100 =
  19. 19.389 × 10 =
  20. 20.79 × 100 =
  21. 21.29 × ? = 29000
  22. 22.816 × ? = 8160
  23. 23.38 × ? = 38000
  24. 24.604 × 10 =
  25. 25.23 × 100 =
  26. 26.229 × 10 =
  27. 27.20 × 1000 =
  28. 28.843 × 10 =
  29. 29.385 × ? = 3850
  30. 30.202 × ? = 2020
  31. 31.847 × 10 =
  32. 32.278 × 10 =
  33. 33.31 × ? = 31000
  34. 34.32 × ? = 32000
  35. 35.898 × ? = 8980
  36. 36.10 × 10 =
  37. 37.30 × 1000 =
  38. 38.34 × 1000 =
  39. 39.40 × 1000 =
  40. 40.231 × ? = 2310

Answer key

  1. 6860
  2. 10000
  3. 45000
  4. 9200
  5. 8410
  6. 8100
  7. 2390
  8. 10
  9. 10
  10. 100
  11. 9100
  12. 31000
  13. 1000
  14. 1000
  15. 100
  16. 6540
  17. 37000
  18. 8000
  19. 3890
  20. 7900
  21. 1000
  22. 10
  23. 1000
  24. 6040
  25. 2300
  26. 2290
  27. 20000
  28. 8430
  29. 10
  30. 10
  31. 8470
  32. 2780
  33. 1000
  34. 1000
  35. 10
  36. 100
  37. 30000
  38. 34000
  39. 40000
  40. 10

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