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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 27 · 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. 1.38 × 100 =
  2. 2.978 × ? = 9780
  3. 3.246 × 10 =
  4. 4.29 × ? = 2900
  5. 5.19 × 100 =
  6. 6.49 × 100 =
  7. 7.15 × 1000 =
  8. 8.33 × 1000 =
  9. 9.129 × 10 =
  10. 10.5 × ? = 500
  11. 11.79 × 100 =
  12. 12.564 × 10 =
  13. 13.12 × ? = 12000
  14. 14.673 × 10 =
  15. 15.140 × ? = 1400
  16. 16.6 × 1000 =
  17. 17.50 × ? = 50000
  18. 18.36 × 100 =
  19. 19.86 × 100 =
  20. 20.318 × 10 =
  21. 21.24 × 1000 =
  22. 22.65 × 100 =
  23. 23.45 × 100 =
  24. 24.9 × 100 =
  25. 25.971 × 10 =
  26. 26.626 × 10 =
  27. 27.6 × 100 =
  28. 28.33 × ? = 33000
  29. 29.5 × 100 =
  30. 30.866 × 10 =
  31. 31.694 × ? = 6940
  32. 32.332 × 10 =
  33. 33.796 × 10 =
  34. 34.807 × 10 =
  35. 35.23 × 100 =
  36. 36.72 × ? = 7200
  37. 37.32 × 1000 =
  38. 38.48 × 100 =
  39. 39.279 × 10 =
  40. 40.54 × 100 =

Answer key

  1. 3800
  2. 10
  3. 2460
  4. 100
  5. 1900
  6. 4900
  7. 15000
  8. 33000
  9. 1290
  10. 100
  11. 7900
  12. 5640
  13. 1000
  14. 6730
  15. 10
  16. 6000
  17. 1000
  18. 3600
  19. 8600
  20. 3180
  21. 24000
  22. 6500
  23. 4500
  24. 900
  25. 9710
  26. 6260
  27. 600
  28. 1000
  29. 500
  30. 8660
  31. 10
  32. 3320
  33. 7960
  34. 8070
  35. 2300
  36. 100
  37. 32000
  38. 4800
  39. 2790
  40. 5400

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