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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 78 · 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. 1.786 × 10 =
  2. 2.59 × 100 =
  3. 3.14 × ? = 1400
  4. 4.45 × 1000 =
  5. 5.84 × 10 =
  6. 6.3 × 100 =
  7. 7.8 × 1000 =
  8. 8.18 × 1000 =
  9. 9.31 × ? = 3100
  10. 10.44 × 100 =
  11. 11.15 × ? = 15000
  12. 12.405 × 10 =
  13. 13.6 × 100 =
  14. 14.73 × ? = 7300
  15. 15.469 × 10 =
  16. 16.8 × ? = 800
  17. 17.38 × 1000 =
  18. 18.39 × 100 =
  19. 19.926 × ? = 9260
  20. 20.595 × 10 =
  21. 21.59 × ? = 590
  22. 22.241 × 10 =
  23. 23.9 × 100 =
  24. 24.289 × 10 =
  25. 25.48 × 1000 =
  26. 26.928 × 10 =
  27. 27.195 × 10 =
  28. 28.305 × 10 =
  29. 29.9 × 1000 =
  30. 30.10 × ? = 10000
  31. 31.15 × 1000 =
  32. 32.30 × 1000 =
  33. 33.550 × ? = 5500
  34. 34.11 × 1000 =
  35. 35.321 × 10 =
  36. 36.46 × ? = 46000
  37. 37.41 × 100 =
  38. 38.486 × ? = 4860
  39. 39.153 × ? = 1530
  40. 40.284 × ? = 2840

Answer key

  1. 7860
  2. 5900
  3. 100
  4. 45000
  5. 840
  6. 300
  7. 8000
  8. 18000
  9. 100
  10. 4400
  11. 1000
  12. 4050
  13. 600
  14. 100
  15. 4690
  16. 100
  17. 38000
  18. 3900
  19. 10
  20. 5950
  21. 10
  22. 2410
  23. 900
  24. 2890
  25. 48000
  26. 9280
  27. 1950
  28. 3050
  29. 9000
  30. 1000
  31. 15000
  32. 30000
  33. 10
  34. 11000
  35. 3210
  36. 1000
  37. 4100
  38. 10
  39. 10
  40. 10

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