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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 511 · 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. 1.855 × 10 =
  2. 2.251 × 10 =
  3. 3.34 × 100 =
  4. 4.30 × ? = 30000
  5. 5.61 × ? = 6100
  6. 6.20 × 100 =
  7. 7.53 × ? = 5300
  8. 8.13 × 1000 =
  9. 9.69 × 10 =
  10. 10.38 × ? = 38000
  11. 11.30 × 100 =
  12. 12.622 × ? = 6220
  13. 13.24 × 1000 =
  14. 14.902 × ? = 9020
  15. 15.22 × 1000 =
  16. 16.7 × ? = 7000
  17. 17.2 × ? = 2000
  18. 18.3 × ? = 3000
  19. 19.36 × 100 =
  20. 20.23 × ? = 23000
  21. 21.49 × 1000 =
  22. 22.37 × 1000 =
  23. 23.161 × 10 =
  24. 24.9 × 100 =
  25. 25.775 × ? = 7750
  26. 26.114 × ? = 1140
  27. 27.27 × 1000 =
  28. 28.40 × 1000 =
  29. 29.87 × 10 =
  30. 30.339 × 10 =
  31. 31.14 × ? = 14000
  32. 32.96 × 100 =
  33. 33.43 × 100 =
  34. 34.640 × 10 =
  35. 35.976 × 10 =
  36. 36.561 × 10 =
  37. 37.4 × 100 =
  38. 38.56 × 100 =
  39. 39.2 × 100 =
  40. 40.73 × 10 =

Answer key

  1. 8550
  2. 2510
  3. 3400
  4. 1000
  5. 100
  6. 2000
  7. 100
  8. 13000
  9. 690
  10. 1000
  11. 3000
  12. 10
  13. 24000
  14. 10
  15. 22000
  16. 1000
  17. 1000
  18. 1000
  19. 3600
  20. 1000
  21. 49000
  22. 37000
  23. 1610
  24. 900
  25. 10
  26. 10
  27. 27000
  28. 40000
  29. 870
  30. 3390
  31. 1000
  32. 9600
  33. 4300
  34. 6400
  35. 9760
  36. 5610
  37. 400
  38. 5600
  39. 200
  40. 730

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