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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 574 · 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. 1.35 × ? = 3500
  2. 2.63 × ? = 6300
  3. 3.4 × ? = 4000
  4. 4.16 × ? = 16000
  5. 5.179 × ? = 1790
  6. 6.27 × 1000 =
  7. 7.87 × 100 =
  8. 8.7 × 1000 =
  9. 9.23 × ? = 2300
  10. 10.13 × ? = 13000
  11. 11.26 × 100 =
  12. 12.14 × 1000 =
  13. 13.35 × ? = 35000
  14. 14.49 × ? = 49000
  15. 15.792 × 10 =
  16. 16.671 × 10 =
  17. 17.11 × 100 =
  18. 18.148 × 10 =
  19. 19.62 × 100 =
  20. 20.281 × 10 =
  21. 21.91 × 100 =
  22. 22.8 × 100 =
  23. 23.35 × 10 =
  24. 24.959 × 10 =
  25. 25.30 × ? = 3000
  26. 26.558 × 10 =
  27. 27.74 × 100 =
  28. 28.109 × 10 =
  29. 29.858 × 10 =
  30. 30.53 × ? = 530
  31. 31.21 × 1000 =
  32. 32.21 × ? = 2100
  33. 33.18 × 1000 =
  34. 34.673 × 10 =
  35. 35.942 × ? = 9420
  36. 36.211 × 10 =
  37. 37.3 × ? = 300
  38. 38.38 × 1000 =
  39. 39.465 × 10 =
  40. 40.16 × 1000 =

Answer key

  1. 100
  2. 100
  3. 1000
  4. 1000
  5. 10
  6. 27000
  7. 8700
  8. 7000
  9. 100
  10. 1000
  11. 2600
  12. 14000
  13. 1000
  14. 1000
  15. 7920
  16. 6710
  17. 1100
  18. 1480
  19. 6200
  20. 2810
  21. 9100
  22. 800
  23. 350
  24. 9590
  25. 100
  26. 5580
  27. 7400
  28. 1090
  29. 8580
  30. 10
  31. 21000
  32. 100
  33. 18000
  34. 6730
  35. 10
  36. 2110
  37. 100
  38. 38000
  39. 4650
  40. 16000

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