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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 59 · 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. 1.42 × ? = 42000
  2. 2.96 × 100 =
  3. 3.274 × ? = 2740
  4. 4.5 × 1000 =
  5. 5.415 × 10 =
  6. 6.987 × 10 =
  7. 7.39 × ? = 39000
  8. 8.217 × 10 =
  9. 9.38 × 1000 =
  10. 10.9 × 100 =
  11. 11.865 × 10 =
  12. 12.892 × 10 =
  13. 13.76 × ? = 7600
  14. 14.18 × 10 =
  15. 15.9 × 1000 =
  16. 16.44 × 100 =
  17. 17.345 × 10 =
  18. 18.47 × 100 =
  19. 19.92 × 100 =
  20. 20.225 × 10 =
  21. 21.26 × 1000 =
  22. 22.6 × 1000 =
  23. 23.237 × 10 =
  24. 24.74 × 100 =
  25. 25.615 × 10 =
  26. 26.27 × ? = 2700
  27. 27.41 × 100 =
  28. 28.827 × 10 =
  29. 29.22 × 1000 =
  30. 30.27 × 1000 =
  31. 31.93 × ? = 9300
  32. 32.68 × 100 =
  33. 33.16 × 1000 =
  34. 34.74 × ? = 7400
  35. 35.60 × ? = 6000
  36. 36.15 × 1000 =
  37. 37.14 × 1000 =
  38. 38.30 × ? = 30000
  39. 39.417 × 10 =
  40. 40.18 × 1000 =

Answer key

  1. 1000
  2. 9600
  3. 10
  4. 5000
  5. 4150
  6. 9870
  7. 1000
  8. 2170
  9. 38000
  10. 900
  11. 8650
  12. 8920
  13. 100
  14. 180
  15. 9000
  16. 4400
  17. 3450
  18. 4700
  19. 9200
  20. 2250
  21. 26000
  22. 6000
  23. 2370
  24. 7400
  25. 6150
  26. 100
  27. 4100
  28. 8270
  29. 22000
  30. 27000
  31. 100
  32. 6800
  33. 16000
  34. 100
  35. 100
  36. 15000
  37. 14000
  38. 1000
  39. 4170
  40. 18000

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