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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 671 · 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. 1.23 × 1000 =
  2. 2.289 × 10 =
  3. 3.457 × ? = 4570
  4. 4.20 × ? = 2000
  5. 5.18 × ? = 18000
  6. 6.16 × 100 =
  7. 7.575 × 10 =
  8. 8.144 × 10 =
  9. 9.25 × ? = 2500
  10. 10.125 × 10 =
  11. 11.703 × 10 =
  12. 12.24 × 1000 =
  13. 13.674 × ? = 6740
  14. 14.701 × 10 =
  15. 15.20 × ? = 20000
  16. 16.973 × ? = 9730
  17. 17.18 × 10 =
  18. 18.526 × ? = 5260
  19. 19.776 × 10 =
  20. 20.82 × 100 =
  21. 21.531 × 10 =
  22. 22.51 × 100 =
  23. 23.509 × 10 =
  24. 24.499 × 10 =
  25. 25.41 × 100 =
  26. 26.48 × 100 =
  27. 27.714 × 10 =
  28. 28.101 × 10 =
  29. 29.35 × 10 =
  30. 30.72 × ? = 7200
  31. 31.16 × ? = 16000
  32. 32.197 × 10 =
  33. 33.29 × 1000 =
  34. 34.131 × ? = 1310
  35. 35.17 × 10 =
  36. 36.24 × ? = 2400
  37. 37.73 × ? = 7300
  38. 38.382 × 10 =
  39. 39.36 × ? = 3600
  40. 40.537 × 10 =

Answer key

  1. 23000
  2. 2890
  3. 10
  4. 100
  5. 1000
  6. 1600
  7. 5750
  8. 1440
  9. 100
  10. 1250
  11. 7030
  12. 24000
  13. 10
  14. 7010
  15. 1000
  16. 10
  17. 180
  18. 10
  19. 7760
  20. 8200
  21. 5310
  22. 5100
  23. 5090
  24. 4990
  25. 4100
  26. 4800
  27. 7140
  28. 1010
  29. 350
  30. 100
  31. 1000
  32. 1970
  33. 29000
  34. 10
  35. 170
  36. 100
  37. 100
  38. 3820
  39. 100
  40. 5370

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