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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 468 · 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. 1.31 × 1000 =
  2. 2.99 × 10 =
  3. 3.73 × ? = 7300
  4. 4.50 × ? = 50000
  5. 5.38 × 1000 =
  6. 6.44 × 100 =
  7. 7.795 × 10 =
  8. 8.933 × ? = 9330
  9. 9.11 × 1000 =
  10. 10.45 × 1000 =
  11. 11.8 × 1000 =
  12. 12.49 × ? = 49000
  13. 13.3 × 1000 =
  14. 14.7 × 100 =
  15. 15.86 × 100 =
  16. 16.256 × 10 =
  17. 17.61 × 100 =
  18. 18.7 × 1000 =
  19. 19.631 × 10 =
  20. 20.25 × 1000 =
  21. 21.521 × ? = 5210
  22. 22.766 × ? = 7660
  23. 23.5 × 100 =
  24. 24.70 × ? = 7000
  25. 25.167 × ? = 1670
  26. 26.19 × ? = 1900
  27. 27.615 × 10 =
  28. 28.23 × 1000 =
  29. 29.279 × 10 =
  30. 30.727 × ? = 7270
  31. 31.68 × 100 =
  32. 32.920 × ? = 9200
  33. 33.368 × 10 =
  34. 34.464 × 10 =
  35. 35.34 × 1000 =
  36. 36.811 × ? = 8110
  37. 37.540 × ? = 5400
  38. 38.183 × 10 =
  39. 39.5 × ? = 5000
  40. 40.35 × 10 =

Answer key

  1. 31000
  2. 990
  3. 100
  4. 1000
  5. 38000
  6. 4400
  7. 7950
  8. 10
  9. 11000
  10. 45000
  11. 8000
  12. 1000
  13. 3000
  14. 700
  15. 8600
  16. 2560
  17. 6100
  18. 7000
  19. 6310
  20. 25000
  21. 10
  22. 10
  23. 500
  24. 100
  25. 10
  26. 100
  27. 6150
  28. 23000
  29. 2790
  30. 10
  31. 6800
  32. 10
  33. 3680
  34. 4640
  35. 34000
  36. 10
  37. 10
  38. 1830
  39. 1000
  40. 350

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