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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 399 · 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. 1.73 × ? = 7300
  2. 2.860 × 10 =
  3. 3.455 × ? = 4550
  4. 4.52 × ? = 5200
  5. 5.9 × 1000 =
  6. 6.45 × 1000 =
  7. 7.37 × 1000 =
  8. 8.67 × ? = 6700
  9. 9.479 × 10 =
  10. 10.731 × ? = 7310
  11. 11.751 × 10 =
  12. 12.8 × ? = 8000
  13. 13.60 × 10 =
  14. 14.791 × 10 =
  15. 15.902 × 10 =
  16. 16.97 × 100 =
  17. 17.16 × ? = 160
  18. 18.48 × 100 =
  19. 19.30 × ? = 30000
  20. 20.20 × 1000 =
  21. 21.14 × 100 =
  22. 22.563 × 10 =
  23. 23.28 × 1000 =
  24. 24.5 × 1000 =
  25. 25.44 × 1000 =
  26. 26.3 × 1000 =
  27. 27.93 × 100 =
  28. 28.83 × 100 =
  29. 29.36 × 1000 =
  30. 30.41 × ? = 4100
  31. 31.33 × 1000 =
  32. 32.31 × 1000 =
  33. 33.34 × 1000 =
  34. 34.139 × ? = 1390
  35. 35.30 × 1000 =
  36. 36.397 × 10 =
  37. 37.67 × 100 =
  38. 38.65 × ? = 6500
  39. 39.7 × 1000 =
  40. 40.24 × 100 =

Answer key

  1. 100
  2. 8600
  3. 10
  4. 100
  5. 9000
  6. 45000
  7. 37000
  8. 100
  9. 4790
  10. 10
  11. 7510
  12. 1000
  13. 600
  14. 7910
  15. 9020
  16. 9700
  17. 10
  18. 4800
  19. 1000
  20. 20000
  21. 1400
  22. 5630
  23. 28000
  24. 5000
  25. 44000
  26. 3000
  27. 9300
  28. 8300
  29. 36000
  30. 100
  31. 33000
  32. 31000
  33. 34000
  34. 10
  35. 30000
  36. 3970
  37. 6700
  38. 100
  39. 7000
  40. 2400

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