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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 395 · 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. 1.75 × ? = 7500
  2. 2.491 × ? = 4910
  3. 3.31 × ? = 31000
  4. 4.40 × ? = 4000
  5. 5.46 × 1000 =
  6. 6.72 × 100 =
  7. 7.316 × 10 =
  8. 8.20 × ? = 2000
  9. 9.668 × 10 =
  10. 10.857 × 10 =
  11. 11.12 × ? = 12000
  12. 12.50 × 1000 =
  13. 13.86 × ? = 8600
  14. 14.18 × ? = 18000
  15. 15.4 × 100 =
  16. 16.3 × 1000 =
  17. 17.15 × ? = 15000
  18. 18.65 × 10 =
  19. 19.80 × 10 =
  20. 20.30 × 1000 =
  21. 21.22 × 100 =
  22. 22.266 × 10 =
  23. 23.886 × ? = 8860
  24. 24.26 × 1000 =
  25. 25.864 × 10 =
  26. 26.96 × 100 =
  27. 27.62 × 100 =
  28. 28.46 × 100 =
  29. 29.413 × 10 =
  30. 30.78 × ? = 7800
  31. 31.17 × 100 =
  32. 32.11 × ? = 110
  33. 33.20 × 1000 =
  34. 34.2 × ? = 200
  35. 35.8 × 1000 =
  36. 36.4 × ? = 4000
  37. 37.37 × ? = 37000
  38. 38.78 × 10 =
  39. 39.24 × 10 =
  40. 40.11 × 1000 =

Answer key

  1. 100
  2. 10
  3. 1000
  4. 100
  5. 46000
  6. 7200
  7. 3160
  8. 100
  9. 6680
  10. 8570
  11. 1000
  12. 50000
  13. 100
  14. 1000
  15. 400
  16. 3000
  17. 1000
  18. 650
  19. 800
  20. 30000
  21. 2200
  22. 2660
  23. 10
  24. 26000
  25. 8640
  26. 9600
  27. 6200
  28. 4600
  29. 4130
  30. 100
  31. 1700
  32. 10
  33. 20000
  34. 100
  35. 8000
  36. 1000
  37. 1000
  38. 780
  39. 240
  40. 11000

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