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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 649 · 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. 1.4 × 1000 =
  2. 2.798 × ? = 7980
  3. 3.30 × 1000 =
  4. 4.443 × 10 =
  5. 5.387 × 10 =
  6. 6.11 × 100 =
  7. 7.873 × 10 =
  8. 8.12 × 10 =
  9. 9.3 × ? = 300
  10. 10.84 × ? = 8400
  11. 11.33 × ? = 33000
  12. 12.258 × ? = 2580
  13. 13.591 × ? = 5910
  14. 14.23 × 1000 =
  15. 15.401 × ? = 4010
  16. 16.25 × 100 =
  17. 17.927 × ? = 9270
  18. 18.128 × 10 =
  19. 19.57 × ? = 5700
  20. 20.497 × 10 =
  21. 21.20 × ? = 2000
  22. 22.491 × ? = 4910
  23. 23.54 × 100 =
  24. 24.848 × 10 =
  25. 25.997 × 10 =
  26. 26.4 × ? = 4000
  27. 27.11 × ? = 11000
  28. 28.573 × ? = 5730
  29. 29.866 × 10 =
  30. 30.23 × 100 =
  31. 31.482 × ? = 4820
  32. 32.42 × ? = 42000
  33. 33.669 × 10 =
  34. 34.12 × 100 =
  35. 35.628 × ? = 6280
  36. 36.595 × ? = 5950
  37. 37.590 × 10 =
  38. 38.59 × 100 =
  39. 39.39 × ? = 3900
  40. 40.88 × 100 =

Answer key

  1. 4000
  2. 10
  3. 30000
  4. 4430
  5. 3870
  6. 1100
  7. 8730
  8. 120
  9. 100
  10. 100
  11. 1000
  12. 10
  13. 10
  14. 23000
  15. 10
  16. 2500
  17. 10
  18. 1280
  19. 100
  20. 4970
  21. 100
  22. 10
  23. 5400
  24. 8480
  25. 9970
  26. 1000
  27. 1000
  28. 10
  29. 8660
  30. 2300
  31. 10
  32. 1000
  33. 6690
  34. 1200
  35. 10
  36. 10
  37. 5900
  38. 5900
  39. 100
  40. 8800

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