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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 784 · 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. 1.81 × ? = 8100
  2. 2.19 × 100 =
  3. 3.44 × 1000 =
  4. 4.60 × 100 =
  5. 5.17 × ? = 17000
  6. 6.301 × 10 =
  7. 7.612 × 10 =
  8. 8.20 × ? = 20000
  9. 9.140 × ? = 1400
  10. 10.90 × ? = 9000
  11. 11.541 × ? = 5410
  12. 12.377 × 10 =
  13. 13.75 × 100 =
  14. 14.32 × 1000 =
  15. 15.313 × ? = 3130
  16. 16.955 × ? = 9550
  17. 17.47 × 1000 =
  18. 18.24 × 1000 =
  19. 19.80 × ? = 8000
  20. 20.28 × 100 =
  21. 21.30 × ? = 30000
  22. 22.253 × 10 =
  23. 23.971 × 10 =
  24. 24.79 × ? = 7900
  25. 25.937 × 10 =
  26. 26.29 × ? = 29000
  27. 27.25 × 1000 =
  28. 28.2 × 1000 =
  29. 29.16 × 1000 =
  30. 30.85 × 100 =
  31. 31.271 × 10 =
  32. 32.49 × 1000 =
  33. 33.287 × 10 =
  34. 34.36 × 1000 =
  35. 35.228 × 10 =
  36. 36.355 × ? = 3550
  37. 37.15 × 1000 =
  38. 38.95 × ? = 9500
  39. 39.43 × 1000 =
  40. 40.86 × ? = 860

Answer key

  1. 100
  2. 1900
  3. 44000
  4. 6000
  5. 1000
  6. 3010
  7. 6120
  8. 1000
  9. 10
  10. 100
  11. 10
  12. 3770
  13. 7500
  14. 32000
  15. 10
  16. 10
  17. 47000
  18. 24000
  19. 100
  20. 2800
  21. 1000
  22. 2530
  23. 9710
  24. 100
  25. 9370
  26. 1000
  27. 25000
  28. 2000
  29. 16000
  30. 8500
  31. 2710
  32. 49000
  33. 2870
  34. 36000
  35. 2280
  36. 10
  37. 15000
  38. 100
  39. 43000
  40. 10

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