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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 403 · 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. 1.48 × ? = 4800
  2. 2.87 × 100 =
  3. 3.815 × 10 =
  4. 4.23 × 1000 =
  5. 5.38 × 100 =
  6. 6.123 × 10 =
  7. 7.45 × ? = 4500
  8. 8.411 × ? = 4110
  9. 9.24 × ? = 24000
  10. 10.187 × ? = 1870
  11. 11.19 × ? = 1900
  12. 12.64 × ? = 6400
  13. 13.106 × 10 =
  14. 14.325 × 10 =
  15. 15.12 × ? = 1200
  16. 16.85 × 100 =
  17. 17.775 × ? = 7750
  18. 18.620 × ? = 6200
  19. 19.580 × ? = 5800
  20. 20.12 × ? = 12000
  21. 21.983 × 10 =
  22. 22.351 × 10 =
  23. 23.24 × ? = 240
  24. 24.81 × 100 =
  25. 25.292 × 10 =
  26. 26.26 × ? = 26000
  27. 27.37 × 1000 =
  28. 28.2 × 10 =
  29. 29.47 × 10 =
  30. 30.20 × 1000 =
  31. 31.527 × ? = 5270
  32. 32.214 × 10 =
  33. 33.244 × 10 =
  34. 34.7 × ? = 7000
  35. 35.13 × ? = 13000
  36. 36.577 × 10 =
  37. 37.22 × ? = 2200
  38. 38.14 × ? = 1400
  39. 39.3 × 1000 =
  40. 40.13 × 1000 =

Answer key

  1. 100
  2. 8700
  3. 8150
  4. 23000
  5. 3800
  6. 1230
  7. 100
  8. 10
  9. 1000
  10. 10
  11. 100
  12. 100
  13. 1060
  14. 3250
  15. 100
  16. 8500
  17. 10
  18. 10
  19. 10
  20. 1000
  21. 9830
  22. 3510
  23. 10
  24. 8100
  25. 2920
  26. 1000
  27. 37000
  28. 20
  29. 470
  30. 20000
  31. 10
  32. 2140
  33. 2440
  34. 1000
  35. 1000
  36. 5770
  37. 100
  38. 100
  39. 3000
  40. 13000

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