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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 209 · 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. 1.21 × 1000 =
  2. 2.960 × 10 =
  3. 3.77 × ? = 7700
  4. 4.22 × ? = 22000
  5. 5.35 × ? = 350
  6. 6.39 × 100 =
  7. 7.452 × 10 =
  8. 8.47 × 1000 =
  9. 9.46 × 1000 =
  10. 10.35 × 1000 =
  11. 11.47 × 100 =
  12. 12.48 × 100 =
  13. 13.87 × ? = 8700
  14. 14.34 × 1000 =
  15. 15.917 × 10 =
  16. 16.83 × 100 =
  17. 17.81 × ? = 8100
  18. 18.29 × 1000 =
  19. 19.17 × 1000 =
  20. 20.631 × 10 =
  21. 21.24 × ? = 2400
  22. 22.174 × ? = 1740
  23. 23.521 × 10 =
  24. 24.866 × 10 =
  25. 25.15 × ? = 1500
  26. 26.82 × ? = 820
  27. 27.552 × 10 =
  28. 28.52 × ? = 5200
  29. 29.5 × ? = 500
  30. 30.78 × ? = 7800
  31. 31.16 × ? = 16000
  32. 32.89 × ? = 8900
  33. 33.651 × 10 =
  34. 34.967 × ? = 9670
  35. 35.23 × 1000 =
  36. 36.370 × ? = 3700
  37. 37.11 × ? = 11000
  38. 38.30 × 100 =
  39. 39.54 × ? = 5400
  40. 40.549 × 10 =

Answer key

  1. 21000
  2. 9600
  3. 100
  4. 1000
  5. 10
  6. 3900
  7. 4520
  8. 47000
  9. 46000
  10. 35000
  11. 4700
  12. 4800
  13. 100
  14. 34000
  15. 9170
  16. 8300
  17. 100
  18. 29000
  19. 17000
  20. 6310
  21. 100
  22. 10
  23. 5210
  24. 8660
  25. 100
  26. 10
  27. 5520
  28. 100
  29. 100
  30. 100
  31. 1000
  32. 100
  33. 6510
  34. 10
  35. 23000
  36. 10
  37. 1000
  38. 3000
  39. 100
  40. 5490

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