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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 129 · 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. 1.45 × 1000 =
  2. 2.642 × ? = 6420
  3. 3.735 × ? = 7350
  4. 4.299 × 10 =
  5. 5.29 × 1000 =
  6. 6.7 × 1000 =
  7. 7.67 × ? = 670
  8. 8.13 × 100 =
  9. 9.9 × ? = 900
  10. 10.89 × 10 =
  11. 11.14 × ? = 14000
  12. 12.52 × 100 =
  13. 13.22 × ? = 22000
  14. 14.867 × ? = 8670
  15. 15.48 × ? = 48000
  16. 16.270 × 10 =
  17. 17.84 × ? = 8400
  18. 18.20 × 100 =
  19. 19.34 × ? = 34000
  20. 20.27 × 100 =
  21. 21.49 × ? = 4900
  22. 22.800 × 10 =
  23. 23.303 × 10 =
  24. 24.250 × 10 =
  25. 25.185 × 10 =
  26. 26.821 × ? = 8210
  27. 27.64 × 100 =
  28. 28.699 × 10 =
  29. 29.50 × ? = 50000
  30. 30.148 × 10 =
  31. 31.20 × 1000 =
  32. 32.62 × 100 =
  33. 33.632 × 10 =
  34. 34.872 × 10 =
  35. 35.135 × 10 =
  36. 36.4 × 1000 =
  37. 37.164 × 10 =
  38. 38.269 × 10 =
  39. 39.16 × ? = 16000
  40. 40.21 × 1000 =

Answer key

  1. 45000
  2. 10
  3. 10
  4. 2990
  5. 29000
  6. 7000
  7. 10
  8. 1300
  9. 100
  10. 890
  11. 1000
  12. 5200
  13. 1000
  14. 10
  15. 1000
  16. 2700
  17. 100
  18. 2000
  19. 1000
  20. 2700
  21. 100
  22. 8000
  23. 3030
  24. 2500
  25. 1850
  26. 10
  27. 6400
  28. 6990
  29. 1000
  30. 1480
  31. 20000
  32. 6200
  33. 6320
  34. 8720
  35. 1350
  36. 4000
  37. 1640
  38. 2690
  39. 1000
  40. 21000

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