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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 315 · 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. 1.80 × 100 =
  2. 2.31 × ? = 31000
  3. 3.401 × 10 =
  4. 4.78 × ? = 7800
  5. 5.183 × ? = 1830
  6. 6.66 × 100 =
  7. 7.833 × ? = 8330
  8. 8.99 × 100 =
  9. 9.34 × 100 =
  10. 10.73 × 100 =
  11. 11.380 × 10 =
  12. 12.59 × ? = 5900
  13. 13.14 × ? = 140
  14. 14.40 × ? = 40000
  15. 15.35 × ? = 3500
  16. 16.994 × 10 =
  17. 17.38 × 1000 =
  18. 18.713 × 10 =
  19. 19.26 × 100 =
  20. 20.62 × 100 =
  21. 21.6 × 1000 =
  22. 22.45 × 1000 =
  23. 23.13 × 1000 =
  24. 24.779 × 10 =
  25. 25.20 × 1000 =
  26. 26.912 × ? = 9120
  27. 27.621 × 10 =
  28. 28.19 × ? = 19000
  29. 29.64 × ? = 6400
  30. 30.921 × 10 =
  31. 31.80 × ? = 8000
  32. 32.9 × ? = 9000
  33. 33.144 × ? = 1440
  34. 34.23 × 1000 =
  35. 35.24 × 10 =
  36. 36.290 × 10 =
  37. 37.37 × 1000 =
  38. 38.43 × 1000 =
  39. 39.877 × ? = 8770
  40. 40.4 × 1000 =

Answer key

  1. 8000
  2. 1000
  3. 4010
  4. 100
  5. 10
  6. 6600
  7. 10
  8. 9900
  9. 3400
  10. 7300
  11. 3800
  12. 100
  13. 10
  14. 1000
  15. 100
  16. 9940
  17. 38000
  18. 7130
  19. 2600
  20. 6200
  21. 6000
  22. 45000
  23. 13000
  24. 7790
  25. 20000
  26. 10
  27. 6210
  28. 1000
  29. 100
  30. 9210
  31. 100
  32. 1000
  33. 10
  34. 23000
  35. 240
  36. 2900
  37. 37000
  38. 43000
  39. 10
  40. 4000

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