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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 496 · 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. 1.834 × 10 =
  2. 2.74 × 100 =
  3. 3.619 × ? = 6190
  4. 4.42 × ? = 4200
  5. 5.40 × 1000 =
  6. 6.16 × 1000 =
  7. 7.17 × 100 =
  8. 8.43 × 1000 =
  9. 9.33 × ? = 33000
  10. 10.244 × 10 =
  11. 11.30 × ? = 3000
  12. 12.5 × 1000 =
  13. 13.530 × 10 =
  14. 14.573 × 10 =
  15. 15.11 × 100 =
  16. 16.906 × 10 =
  17. 17.28 × 1000 =
  18. 18.3 × 1000 =
  19. 19.23 × 1000 =
  20. 20.33 × 1000 =
  21. 21.617 × ? = 6170
  22. 22.46 × 1000 =
  23. 23.299 × 10 =
  24. 24.87 × ? = 8700
  25. 25.10 × 1000 =
  26. 26.43 × 100 =
  27. 27.6 × 1000 =
  28. 28.34 × ? = 34000
  29. 29.898 × ? = 8980
  30. 30.92 × 100 =
  31. 31.844 × 10 =
  32. 32.44 × 1000 =
  33. 33.17 × 1000 =
  34. 34.56 × 100 =
  35. 35.41 × ? = 41000
  36. 36.2 × 1000 =
  37. 37.841 × 10 =
  38. 38.883 × ? = 8830
  39. 39.25 × 1000 =
  40. 40.30 × 1000 =

Answer key

  1. 8340
  2. 7400
  3. 10
  4. 100
  5. 40000
  6. 16000
  7. 1700
  8. 43000
  9. 1000
  10. 2440
  11. 100
  12. 5000
  13. 5300
  14. 5730
  15. 1100
  16. 9060
  17. 28000
  18. 3000
  19. 23000
  20. 33000
  21. 10
  22. 46000
  23. 2990
  24. 100
  25. 10000
  26. 4300
  27. 6000
  28. 1000
  29. 10
  30. 9200
  31. 8440
  32. 44000
  33. 17000
  34. 5600
  35. 1000
  36. 2000
  37. 8410
  38. 10
  39. 25000
  40. 30000

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