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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 508 · 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. 1.587 × ? = 5870
  2. 2.70 × 100 =
  3. 3.48 × ? = 4800
  4. 4.42 × 1000 =
  5. 5.18 × 1000 =
  6. 6.38 × ? = 38000
  7. 7.40 × 1000 =
  8. 8.183 × 10 =
  9. 9.98 × 100 =
  10. 10.213 × ? = 2130
  11. 11.85 × 100 =
  12. 12.2 × 1000 =
  13. 13.43 × 1000 =
  14. 14.18 × 100 =
  15. 15.4 × ? = 4000
  16. 16.14 × 10 =
  17. 17.24 × 100 =
  18. 18.9 × 1000 =
  19. 19.804 × 10 =
  20. 20.309 × ? = 3090
  21. 21.238 × ? = 2380
  22. 22.17 × 1000 =
  23. 23.74 × 100 =
  24. 24.53 × 100 =
  25. 25.14 × 1000 =
  26. 26.751 × ? = 7510
  27. 27.399 × 10 =
  28. 28.838 × ? = 8380
  29. 29.3 × 1000 =
  30. 30.923 × 10 =
  31. 31.229 × 10 =
  32. 32.49 × ? = 49000
  33. 33.46 × 1000 =
  34. 34.594 × 10 =
  35. 35.79 × 100 =
  36. 36.16 × 1000 =
  37. 37.575 × ? = 5750
  38. 38.29 × 100 =
  39. 39.243 × 10 =
  40. 40.599 × ? = 5990

Answer key

  1. 10
  2. 7000
  3. 100
  4. 42000
  5. 18000
  6. 1000
  7. 40000
  8. 1830
  9. 9800
  10. 10
  11. 8500
  12. 2000
  13. 43000
  14. 1800
  15. 1000
  16. 140
  17. 2400
  18. 9000
  19. 8040
  20. 10
  21. 10
  22. 17000
  23. 7400
  24. 5300
  25. 14000
  26. 10
  27. 3990
  28. 10
  29. 3000
  30. 9230
  31. 2290
  32. 1000
  33. 46000
  34. 5940
  35. 7900
  36. 16000
  37. 10
  38. 2900
  39. 2430
  40. 10

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