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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 278 · 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 × 100 =
  2. 2.317 × ? = 3170
  3. 3.274 × 10 =
  4. 4.62 × 10 =
  5. 5.2 × 1000 =
  6. 6.247 × 10 =
  7. 7.50 × ? = 50000
  8. 8.34 × 1000 =
  9. 9.3 × 100 =
  10. 10.22 × ? = 22000
  11. 11.28 × 100 =
  12. 12.275 × ? = 2750
  13. 13.35 × 100 =
  14. 14.609 × 10 =
  15. 15.69 × 10 =
  16. 16.44 × 1000 =
  17. 17.25 × 100 =
  18. 18.25 × 1000 =
  19. 19.47 × 1000 =
  20. 20.46 × ? = 4600
  21. 21.874 × ? = 8740
  22. 22.15 × ? = 15000
  23. 23.17 × 1000 =
  24. 24.41 × 1000 =
  25. 25.18 × 100 =
  26. 26.45 × 1000 =
  27. 27.894 × 10 =
  28. 28.653 × 10 =
  29. 29.580 × 10 =
  30. 30.551 × ? = 5510
  31. 31.76 × 100 =
  32. 32.531 × 10 =
  33. 33.15 × 1000 =
  34. 34.46 × ? = 460
  35. 35.33 × 1000 =
  36. 36.5 × ? = 500
  37. 37.51 × 10 =
  38. 38.347 × 10 =
  39. 39.198 × 10 =
  40. 40.74 × 10 =

Answer key

  1. 2100
  2. 10
  3. 2740
  4. 620
  5. 2000
  6. 2470
  7. 1000
  8. 34000
  9. 300
  10. 1000
  11. 2800
  12. 10
  13. 3500
  14. 6090
  15. 690
  16. 44000
  17. 2500
  18. 25000
  19. 47000
  20. 100
  21. 10
  22. 1000
  23. 17000
  24. 41000
  25. 1800
  26. 45000
  27. 8940
  28. 6530
  29. 5800
  30. 10
  31. 7600
  32. 5310
  33. 15000
  34. 10
  35. 33000
  36. 100
  37. 510
  38. 3470
  39. 1980
  40. 740

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