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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 408 · 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. 1.824 × 10 =
  2. 2.25 × 1000 =
  3. 3.39 × 100 =
  4. 4.18 × ? = 1800
  5. 5.84 × 100 =
  6. 6.163 × 10 =
  7. 7.242 × ? = 2420
  8. 8.10 × 1000 =
  9. 9.487 × 10 =
  10. 10.36 × 1000 =
  11. 11.47 × ? = 470
  12. 12.281 × 10 =
  13. 13.21 × 1000 =
  14. 14.631 × 10 =
  15. 15.726 × 10 =
  16. 16.35 × ? = 35000
  17. 17.225 × 10 =
  18. 18.43 × 1000 =
  19. 19.62 × 100 =
  20. 20.2 × 1000 =
  21. 21.78 × ? = 7800
  22. 22.731 × 10 =
  23. 23.20 × 100 =
  24. 24.40 × 100 =
  25. 25.29 × ? = 29000
  26. 26.13 × 1000 =
  27. 27.56 × 100 =
  28. 28.168 × 10 =
  29. 29.45 × 1000 =
  30. 30.86 × 100 =
  31. 31.44 × 1000 =
  32. 32.27 × 1000 =
  33. 33.19 × 1000 =
  34. 34.10 × 100 =
  35. 35.772 × ? = 7720
  36. 36.26 × 1000 =
  37. 37.20 × 10 =
  38. 38.551 × ? = 5510
  39. 39.30 × 100 =
  40. 40.30 × 1000 =

Answer key

  1. 8240
  2. 25000
  3. 3900
  4. 100
  5. 8400
  6. 1630
  7. 10
  8. 10000
  9. 4870
  10. 36000
  11. 10
  12. 2810
  13. 21000
  14. 6310
  15. 7260
  16. 1000
  17. 2250
  18. 43000
  19. 6200
  20. 2000
  21. 100
  22. 7310
  23. 2000
  24. 4000
  25. 1000
  26. 13000
  27. 5600
  28. 1680
  29. 45000
  30. 8600
  31. 44000
  32. 27000
  33. 19000
  34. 1000
  35. 10
  36. 26000
  37. 200
  38. 10
  39. 3000
  40. 30000

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