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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 636 · 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. 1.298 × 10 =
  2. 2.359 × ? = 3590
  3. 3.28 × 100 =
  4. 4.21 × ? = 2100
  5. 5.274 × ? = 2740
  6. 6.14 × 1000 =
  7. 7.7 × 1000 =
  8. 8.19 × 10 =
  9. 9.24 × 1000 =
  10. 10.31 × 1000 =
  11. 11.45 × ? = 45000
  12. 12.43 × 1000 =
  13. 13.248 × 10 =
  14. 14.88 × 100 =
  15. 15.61 × 100 =
  16. 16.19 × 1000 =
  17. 17.3 × ? = 3000
  18. 18.62 × 100 =
  19. 19.865 × 10 =
  20. 20.42 × 1000 =
  21. 21.383 × 10 =
  22. 22.43 × 100 =
  23. 23.33 × 1000 =
  24. 24.99 × 100 =
  25. 25.12 × ? = 12000
  26. 26.523 × 10 =
  27. 27.34 × 100 =
  28. 28.64 × 100 =
  29. 29.34 × 1000 =
  30. 30.95 × ? = 9500
  31. 31.408 × ? = 4080
  32. 32.664 × ? = 6640
  33. 33.981 × ? = 9810
  34. 34.18 × ? = 18000
  35. 35.28 × 10 =
  36. 36.78 × ? = 7800
  37. 37.999 × ? = 9990
  38. 38.755 × 10 =
  39. 39.4 × 1000 =
  40. 40.377 × ? = 3770

Answer key

  1. 2980
  2. 10
  3. 2800
  4. 100
  5. 10
  6. 14000
  7. 7000
  8. 190
  9. 24000
  10. 31000
  11. 1000
  12. 43000
  13. 2480
  14. 8800
  15. 6100
  16. 19000
  17. 1000
  18. 6200
  19. 8650
  20. 42000
  21. 3830
  22. 4300
  23. 33000
  24. 9900
  25. 1000
  26. 5230
  27. 3400
  28. 6400
  29. 34000
  30. 100
  31. 10
  32. 10
  33. 10
  34. 1000
  35. 280
  36. 100
  37. 10
  38. 7550
  39. 4000
  40. 10

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