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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 194 · 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. 1.655 × ? = 6550
  2. 2.42 × 1000 =
  3. 3.375 × ? = 3750
  4. 4.17 × 1000 =
  5. 5.21 × 100 =
  6. 6.18 × 1000 =
  7. 7.897 × 10 =
  8. 8.26 × 100 =
  9. 9.16 × ? = 16000
  10. 10.170 × 10 =
  11. 11.97 × 100 =
  12. 12.95 × 10 =
  13. 13.436 × 10 =
  14. 14.547 × 10 =
  15. 15.535 × 10 =
  16. 16.8 × 100 =
  17. 17.775 × 10 =
  18. 18.848 × 10 =
  19. 19.936 × 10 =
  20. 20.321 × 10 =
  21. 21.994 × 10 =
  22. 22.98 × 100 =
  23. 23.7 × 100 =
  24. 24.468 × 10 =
  25. 25.562 × 10 =
  26. 26.232 × 10 =
  27. 27.787 × 10 =
  28. 28.913 × ? = 9130
  29. 29.47 × ? = 47000
  30. 30.69 × 100 =
  31. 31.25 × 100 =
  32. 32.46 × 100 =
  33. 33.32 × 1000 =
  34. 34.458 × 10 =
  35. 35.51 × 100 =
  36. 36.50 × 1000 =
  37. 37.4 × ? = 400
  38. 38.8 × 1000 =
  39. 39.412 × 10 =
  40. 40.224 × ? = 2240

Answer key

  1. 10
  2. 42000
  3. 10
  4. 17000
  5. 2100
  6. 18000
  7. 8970
  8. 2600
  9. 1000
  10. 1700
  11. 9700
  12. 950
  13. 4360
  14. 5470
  15. 5350
  16. 800
  17. 7750
  18. 8480
  19. 9360
  20. 3210
  21. 9940
  22. 9800
  23. 700
  24. 4680
  25. 5620
  26. 2320
  27. 7870
  28. 10
  29. 1000
  30. 6900
  31. 2500
  32. 4600
  33. 32000
  34. 4580
  35. 5100
  36. 50000
  37. 100
  38. 8000
  39. 4120
  40. 10

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