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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 803 · 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. 1.199 × 10 =
  2. 2.67 × 100 =
  3. 3.81 × ? = 8100
  4. 4.10 × ? = 10000
  5. 5.41 × 10 =
  6. 6.46 × 1000 =
  7. 7.874 × 10 =
  8. 8.260 × ? = 2600
  9. 9.22 × ? = 2200
  10. 10.70 × ? = 7000
  11. 11.15 × 1000 =
  12. 12.704 × 10 =
  13. 13.91 × 100 =
  14. 14.441 × ? = 4410
  15. 15.3 × 1000 =
  16. 16.98 × ? = 9800
  17. 17.14 × 1000 =
  18. 18.28 × ? = 2800
  19. 19.44 × ? = 44000
  20. 20.7 × ? = 700
  21. 21.67 × ? = 6700
  22. 22.896 × 10 =
  23. 23.99 × 10 =
  24. 24.92 × 100 =
  25. 25.74 × 10 =
  26. 26.225 × 10 =
  27. 27.18 × ? = 18000
  28. 28.279 × 10 =
  29. 29.96 × 100 =
  30. 30.846 × 10 =
  31. 31.35 × 1000 =
  32. 32.19 × ? = 1900
  33. 33.21 × 1000 =
  34. 34.29 × 1000 =
  35. 35.12 × 1000 =
  36. 36.573 × ? = 5730
  37. 37.451 × 10 =
  38. 38.2 × ? = 200
  39. 39.15 × ? = 15000
  40. 40.710 × 10 =

Answer key

  1. 1990
  2. 6700
  3. 100
  4. 1000
  5. 410
  6. 46000
  7. 8740
  8. 10
  9. 100
  10. 100
  11. 15000
  12. 7040
  13. 9100
  14. 10
  15. 3000
  16. 100
  17. 14000
  18. 100
  19. 1000
  20. 100
  21. 100
  22. 8960
  23. 990
  24. 9200
  25. 740
  26. 2250
  27. 1000
  28. 2790
  29. 9600
  30. 8460
  31. 35000
  32. 100
  33. 21000
  34. 29000
  35. 12000
  36. 10
  37. 4510
  38. 100
  39. 1000
  40. 7100

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