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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 917 · 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. 1.23 × 100 =
  2. 2.772 × ? = 7720
  3. 3.27 × ? = 27000
  4. 4.12 × ? = 12000
  5. 5.546 × 10 =
  6. 6.72 × 100 =
  7. 7.78 × 100 =
  8. 8.18 × ? = 1800
  9. 9.24 × ? = 2400
  10. 10.23 × ? = 2300
  11. 11.26 × ? = 26000
  12. 12.24 × 10 =
  13. 13.822 × 10 =
  14. 14.11 × ? = 1100
  15. 15.19 × ? = 19000
  16. 16.15 × ? = 15000
  17. 17.29 × 100 =
  18. 18.779 × 10 =
  19. 19.97 × ? = 9700
  20. 20.69 × 100 =
  21. 21.37 × 1000 =
  22. 22.485 × 10 =
  23. 23.22 × ? = 22000
  24. 24.707 × ? = 7070
  25. 25.41 × ? = 41000
  26. 26.7 × 1000 =
  27. 27.157 × 10 =
  28. 28.4 × ? = 400
  29. 29.44 × 10 =
  30. 30.54 × ? = 5400
  31. 31.38 × ? = 38000
  32. 32.319 × 10 =
  33. 33.409 × 10 =
  34. 34.35 × ? = 35000
  35. 35.975 × 10 =
  36. 36.778 × ? = 7780
  37. 37.18 × ? = 18000
  38. 38.67 × ? = 6700
  39. 39.51 × 100 =
  40. 40.305 × 10 =

Answer key

  1. 2300
  2. 10
  3. 1000
  4. 1000
  5. 5460
  6. 7200
  7. 7800
  8. 100
  9. 100
  10. 100
  11. 1000
  12. 240
  13. 8220
  14. 100
  15. 1000
  16. 1000
  17. 2900
  18. 7790
  19. 100
  20. 6900
  21. 37000
  22. 4850
  23. 1000
  24. 10
  25. 1000
  26. 7000
  27. 1570
  28. 100
  29. 440
  30. 100
  31. 1000
  32. 3190
  33. 4090
  34. 1000
  35. 9750
  36. 10
  37. 1000
  38. 100
  39. 5100
  40. 3050

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