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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 759 · 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. 2.30 × ? = 3000
  3. 3.978 × 10 =
  4. 4.3 × 1000 =
  5. 5.202 × 10 =
  6. 6.11 × ? = 11000
  7. 7.77 × 100 =
  8. 8.24 × ? = 24000
  9. 9.753 × 10 =
  10. 10.84 × 100 =
  11. 11.55 × 100 =
  12. 12.54 × 100 =
  13. 13.5 × ? = 500
  14. 14.35 × 100 =
  15. 15.15 × 1000 =
  16. 16.382 × ? = 3820
  17. 17.31 × 1000 =
  18. 18.385 × 10 =
  19. 19.390 × 10 =
  20. 20.14 × ? = 14000
  21. 21.43 × ? = 43000
  22. 22.137 × 10 =
  23. 23.703 × ? = 7030
  24. 24.18 × 10 =
  25. 25.7 × ? = 700
  26. 26.44 × ? = 44000
  27. 27.30 × ? = 30000
  28. 28.2 × 1000 =
  29. 29.4 × ? = 4000
  30. 30.38 × ? = 38000
  31. 31.28 × 1000 =
  32. 32.44 × 100 =
  33. 33.772 × 10 =
  34. 34.773 × 10 =
  35. 35.114 × 10 =
  36. 36.16 × 1000 =
  37. 37.821 × ? = 8210
  38. 38.16 × ? = 1600
  39. 39.35 × 1000 =
  40. 40.222 × 10 =

Answer key

  1. 21000
  2. 100
  3. 9780
  4. 3000
  5. 2020
  6. 1000
  7. 7700
  8. 1000
  9. 7530
  10. 8400
  11. 5500
  12. 5400
  13. 100
  14. 3500
  15. 15000
  16. 10
  17. 31000
  18. 3850
  19. 3900
  20. 1000
  21. 1000
  22. 1370
  23. 10
  24. 180
  25. 100
  26. 1000
  27. 1000
  28. 2000
  29. 1000
  30. 1000
  31. 28000
  32. 4400
  33. 7720
  34. 7730
  35. 1140
  36. 16000
  37. 10
  38. 100
  39. 35000
  40. 2220

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