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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 342 · 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. 1.15 × 1000 =
  2. 2.17 × ? = 1700
  3. 3.37 × 1000 =
  4. 4.49 × 100 =
  5. 5.2 × 100 =
  6. 6.714 × ? = 7140
  7. 7.19 × 1000 =
  8. 8.50 × 1000 =
  9. 9.42 × 1000 =
  10. 10.87 × ? = 8700
  11. 11.33 × 1000 =
  12. 12.9 × ? = 9000
  13. 13.7 × 1000 =
  14. 14.389 × 10 =
  15. 15.164 × 10 =
  16. 16.28 × ? = 2800
  17. 17.49 × ? = 4900
  18. 18.7 × ? = 7000
  19. 19.95 × 100 =
  20. 20.23 × 1000 =
  21. 21.29 × ? = 29000
  22. 22.31 × 100 =
  23. 23.4 × 1000 =
  24. 24.68 × 100 =
  25. 25.69 × 100 =
  26. 26.40 × 1000 =
  27. 27.467 × 10 =
  28. 28.437 × 10 =
  29. 29.728 × ? = 7280
  30. 30.16 × ? = 16000
  31. 31.425 × 10 =
  32. 32.464 × 10 =
  33. 33.10 × 1000 =
  34. 34.422 × 10 =
  35. 35.103 × 10 =
  36. 36.33 × 100 =
  37. 37.92 × ? = 9200
  38. 38.271 × ? = 2710
  39. 39.35 × 1000 =
  40. 40.409 × ? = 4090

Answer key

  1. 15000
  2. 100
  3. 37000
  4. 4900
  5. 200
  6. 10
  7. 19000
  8. 50000
  9. 42000
  10. 100
  11. 33000
  12. 1000
  13. 7000
  14. 3890
  15. 1640
  16. 100
  17. 100
  18. 1000
  19. 9500
  20. 23000
  21. 1000
  22. 3100
  23. 4000
  24. 6800
  25. 6900
  26. 40000
  27. 4670
  28. 4370
  29. 10
  30. 1000
  31. 4250
  32. 4640
  33. 10000
  34. 4220
  35. 1030
  36. 3300
  37. 100
  38. 10
  39. 35000
  40. 10

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