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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 771 · 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. 1.841 × 10 =
  2. 2.39 × ? = 39000
  3. 3.551 × 10 =
  4. 4.394 × 10 =
  5. 5.12 × ? = 12000
  6. 6.44 × 1000 =
  7. 7.929 × 10 =
  8. 8.42 × 1000 =
  9. 9.40 × ? = 4000
  10. 10.45 × 100 =
  11. 11.148 × 10 =
  12. 12.30 × ? = 30000
  13. 13.82 × ? = 8200
  14. 14.56 × 100 =
  15. 15.40 × 10 =
  16. 16.504 × ? = 5040
  17. 17.69 × 100 =
  18. 18.13 × ? = 13000
  19. 19.41 × 1000 =
  20. 20.14 × ? = 14000
  21. 21.5 × 1000 =
  22. 22.21 × 100 =
  23. 23.35 × ? = 35000
  24. 24.18 × 10 =
  25. 25.33 × 1000 =
  26. 26.339 × 10 =
  27. 27.9 × 1000 =
  28. 28.14 × 1000 =
  29. 29.26 × 100 =
  30. 30.18 × ? = 18000
  31. 31.46 × 1000 =
  32. 32.261 × 10 =
  33. 33.225 × ? = 2250
  34. 34.54 × ? = 5400
  35. 35.5 × ? = 500
  36. 36.25 × 100 =
  37. 37.234 × ? = 2340
  38. 38.373 × 10 =
  39. 39.18 × ? = 1800
  40. 40.6 × ? = 6000

Answer key

  1. 8410
  2. 1000
  3. 5510
  4. 3940
  5. 1000
  6. 44000
  7. 9290
  8. 42000
  9. 100
  10. 4500
  11. 1480
  12. 1000
  13. 100
  14. 5600
  15. 400
  16. 10
  17. 6900
  18. 1000
  19. 41000
  20. 1000
  21. 5000
  22. 2100
  23. 1000
  24. 180
  25. 33000
  26. 3390
  27. 9000
  28. 14000
  29. 2600
  30. 1000
  31. 46000
  32. 2610
  33. 10
  34. 100
  35. 100
  36. 2500
  37. 10
  38. 3730
  39. 100
  40. 1000

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