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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 5 · 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. 1.21 × ? = 21000
  2. 2.592 × ? = 5920
  3. 3.35 × ? = 35000
  4. 4.17 × 100 =
  5. 5.10 × 1000 =
  6. 6.48 × 1000 =
  7. 7.18 × ? = 1800
  8. 8.14 × 100 =
  9. 9.3 × ? = 300
  10. 10.189 × 10 =
  11. 11.265 × 10 =
  12. 12.344 × ? = 3440
  13. 13.28 × 100 =
  14. 14.19 × 1000 =
  15. 15.3 × 1000 =
  16. 16.85 × ? = 8500
  17. 17.36 × ? = 3600
  18. 18.244 × 10 =
  19. 19.13 × 1000 =
  20. 20.308 × 10 =
  21. 21.679 × 10 =
  22. 22.277 × 10 =
  23. 23.49 × 10 =
  24. 24.21 × 100 =
  25. 25.44 × ? = 44000
  26. 26.322 × ? = 3220
  27. 27.54 × 100 =
  28. 28.2 × ? = 2000
  29. 29.9 × 1000 =
  30. 30.279 × ? = 2790
  31. 31.6 × ? = 600
  32. 32.5 × ? = 5000
  33. 33.69 × 100 =
  34. 34.962 × 10 =
  35. 35.46 × 1000 =
  36. 36.94 × ? = 9400
  37. 37.748 × ? = 7480
  38. 38.4 × 1000 =
  39. 39.14 × 1000 =
  40. 40.633 × 10 =

Answer key

  1. 1000
  2. 10
  3. 1000
  4. 1700
  5. 10000
  6. 48000
  7. 100
  8. 1400
  9. 100
  10. 1890
  11. 2650
  12. 10
  13. 2800
  14. 19000
  15. 3000
  16. 100
  17. 100
  18. 2440
  19. 13000
  20. 3080
  21. 6790
  22. 2770
  23. 490
  24. 2100
  25. 1000
  26. 10
  27. 5400
  28. 1000
  29. 9000
  30. 10
  31. 100
  32. 1000
  33. 6900
  34. 9620
  35. 46000
  36. 100
  37. 10
  38. 4000
  39. 14000
  40. 6330

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