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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 150 · 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. 1.21 × 100 =
  2. 2.169 × ? = 1690
  3. 3.524 × 10 =
  4. 4.58 × 100 =
  5. 5.185 × 10 =
  6. 6.123 × 10 =
  7. 7.13 × ? = 13000
  8. 8.14 × 1000 =
  9. 9.55 × 100 =
  10. 10.644 × 10 =
  11. 11.4 × 1000 =
  12. 12.294 × 10 =
  13. 13.28 × 100 =
  14. 14.33 × 100 =
  15. 15.76 × 100 =
  16. 16.15 × 100 =
  17. 17.21 × 10 =
  18. 18.71 × 100 =
  19. 19.12 × ? = 12000
  20. 20.38 × 1000 =
  21. 21.540 × ? = 5400
  22. 22.36 × ? = 3600
  23. 23.585 × 10 =
  24. 24.47 × ? = 47000
  25. 25.20 × ? = 2000
  26. 26.65 × 100 =
  27. 27.416 × 10 =
  28. 28.51 × ? = 5100
  29. 29.174 × ? = 1740
  30. 30.392 × ? = 3920
  31. 31.887 × 10 =
  32. 32.62 × ? = 6200
  33. 33.59 × 100 =
  34. 34.21 × 1000 =
  35. 35.80 × ? = 8000
  36. 36.96 × 10 =
  37. 37.97 × 100 =
  38. 38.201 × ? = 2010
  39. 39.49 × 1000 =
  40. 40.93 × 100 =

Answer key

  1. 2100
  2. 10
  3. 5240
  4. 5800
  5. 1850
  6. 1230
  7. 1000
  8. 14000
  9. 5500
  10. 6440
  11. 4000
  12. 2940
  13. 2800
  14. 3300
  15. 7600
  16. 1500
  17. 210
  18. 7100
  19. 1000
  20. 38000
  21. 10
  22. 100
  23. 5850
  24. 1000
  25. 100
  26. 6500
  27. 4160
  28. 100
  29. 10
  30. 10
  31. 8870
  32. 100
  33. 5900
  34. 21000
  35. 100
  36. 960
  37. 9700
  38. 10
  39. 49000
  40. 9300

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