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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 707 · 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. 1.864 × 10 =
  2. 2.7 × 1000 =
  3. 3.265 × ? = 2650
  4. 4.123 × 10 =
  5. 5.821 × 10 =
  6. 6.952 × 10 =
  7. 7.36 × 1000 =
  8. 8.50 × 100 =
  9. 9.959 × 10 =
  10. 10.44 × 1000 =
  11. 11.484 × 10 =
  12. 12.2 × 100 =
  13. 13.31 × 10 =
  14. 14.88 × ? = 8800
  15. 15.24 × ? = 24000
  16. 16.15 × ? = 1500
  17. 17.20 × 10 =
  18. 18.895 × ? = 8950
  19. 19.22 × ? = 22000
  20. 20.3 × ? = 300
  21. 21.15 × 1000 =
  22. 22.109 × 10 =
  23. 23.12 × 1000 =
  24. 24.9 × 1000 =
  25. 25.797 × ? = 7970
  26. 26.2 × 1000 =
  27. 27.37 × ? = 37000
  28. 28.37 × 100 =
  29. 29.65 × ? = 6500
  30. 30.642 × ? = 6420
  31. 31.57 × ? = 5700
  32. 32.866 × 10 =
  33. 33.213 × ? = 2130
  34. 34.236 × 10 =
  35. 35.499 × 10 =
  36. 36.778 × 10 =
  37. 37.580 × 10 =
  38. 38.15 × ? = 15000
  39. 39.17 × 100 =
  40. 40.182 × 10 =

Answer key

  1. 8640
  2. 7000
  3. 10
  4. 1230
  5. 8210
  6. 9520
  7. 36000
  8. 5000
  9. 9590
  10. 44000
  11. 4840
  12. 200
  13. 310
  14. 100
  15. 1000
  16. 100
  17. 200
  18. 10
  19. 1000
  20. 100
  21. 15000
  22. 1090
  23. 12000
  24. 9000
  25. 10
  26. 2000
  27. 1000
  28. 3700
  29. 100
  30. 10
  31. 100
  32. 8660
  33. 10
  34. 2360
  35. 4990
  36. 7780
  37. 5800
  38. 1000
  39. 1700
  40. 1820

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