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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 573 · 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. 1.45 × 100 =
  2. 2.795 × ? = 7950
  3. 3.207 × 10 =
  4. 4.4 × ? = 400
  5. 5.26 × ? = 26000
  6. 6.515 × ? = 5150
  7. 7.3 × ? = 3000
  8. 8.313 × ? = 3130
  9. 9.15 × ? = 1500
  10. 10.31 × 1000 =
  11. 11.35 × ? = 3500
  12. 12.324 × ? = 3240
  13. 13.841 × ? = 8410
  14. 14.532 × 10 =
  15. 15.16 × ? = 16000
  16. 16.510 × 10 =
  17. 17.31 × 100 =
  18. 18.167 × 10 =
  19. 19.433 × 10 =
  20. 20.88 × ? = 880
  21. 21.80 × ? = 8000
  22. 22.33 × 1000 =
  23. 23.21 × 100 =
  24. 24.7 × ? = 700
  25. 25.35 × 100 =
  26. 26.49 × 1000 =
  27. 27.550 × 10 =
  28. 28.19 × ? = 19000
  29. 29.27 × 1000 =
  30. 30.32 × 1000 =
  31. 31.45 × 1000 =
  32. 32.271 × ? = 2710
  33. 33.862 × 10 =
  34. 34.38 × ? = 38000
  35. 35.43 × ? = 4300
  36. 36.343 × 10 =
  37. 37.99 × ? = 9900
  38. 38.419 × 10 =
  39. 39.90 × ? = 9000
  40. 40.504 × 10 =

Answer key

  1. 4500
  2. 10
  3. 2070
  4. 100
  5. 1000
  6. 10
  7. 1000
  8. 10
  9. 100
  10. 31000
  11. 100
  12. 10
  13. 10
  14. 5320
  15. 1000
  16. 5100
  17. 3100
  18. 1670
  19. 4330
  20. 10
  21. 100
  22. 33000
  23. 2100
  24. 100
  25. 3500
  26. 49000
  27. 5500
  28. 1000
  29. 27000
  30. 32000
  31. 45000
  32. 10
  33. 8620
  34. 1000
  35. 100
  36. 3430
  37. 100
  38. 4190
  39. 100
  40. 5040

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