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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 210 · 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. 1.92 × 10 =
  2. 2.66 × ? = 6600
  3. 3.39 × ? = 39000
  4. 4.23 × 100 =
  5. 5.950 × 10 =
  6. 6.165 × 10 =
  7. 7.79 × ? = 7900
  8. 8.31 × 1000 =
  9. 9.914 × ? = 9140
  10. 10.249 × 10 =
  11. 11.235 × ? = 2350
  12. 12.790 × 10 =
  13. 13.49 × 100 =
  14. 14.30 × 1000 =
  15. 15.22 × ? = 22000
  16. 16.50 × ? = 5000
  17. 17.95 × 100 =
  18. 18.35 × 1000 =
  19. 19.93 × ? = 9300
  20. 20.141 × 10 =
  21. 21.43 × ? = 43000
  22. 22.346 × 10 =
  23. 23.99 × ? = 9900
  24. 24.66 × 100 =
  25. 25.16 × 1000 =
  26. 26.46 × 1000 =
  27. 27.24 × 1000 =
  28. 28.31 × ? = 3100
  29. 29.35 × ? = 35000
  30. 30.348 × 10 =
  31. 31.25 × 100 =
  32. 32.796 × 10 =
  33. 33.33 × 100 =
  34. 34.917 × 10 =
  35. 35.19 × 1000 =
  36. 36.5 × 1000 =
  37. 37.375 × 10 =
  38. 38.949 × ? = 9490
  39. 39.382 × ? = 3820
  40. 40.55 × ? = 5500

Answer key

  1. 920
  2. 100
  3. 1000
  4. 2300
  5. 9500
  6. 1650
  7. 100
  8. 31000
  9. 10
  10. 2490
  11. 10
  12. 7900
  13. 4900
  14. 30000
  15. 1000
  16. 100
  17. 9500
  18. 35000
  19. 100
  20. 1410
  21. 1000
  22. 3460
  23. 100
  24. 6600
  25. 16000
  26. 46000
  27. 24000
  28. 100
  29. 1000
  30. 3480
  31. 2500
  32. 7960
  33. 3300
  34. 9170
  35. 19000
  36. 5000
  37. 3750
  38. 10
  39. 10
  40. 100

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