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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 374 · 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. 1.40 × ? = 40000
  2. 2.4 × ? = 4000
  3. 3.414 × 10 =
  4. 4.49 × 1000 =
  5. 5.880 × ? = 8800
  6. 6.707 × 10 =
  7. 7.682 × 10 =
  8. 8.964 × ? = 9640
  9. 9.43 × 1000 =
  10. 10.2 × 100 =
  11. 11.21 × ? = 2100
  12. 12.3 × 1000 =
  13. 13.57 × 100 =
  14. 14.11 × 1000 =
  15. 15.799 × 10 =
  16. 16.727 × ? = 7270
  17. 17.294 × 10 =
  18. 18.560 × 10 =
  19. 19.581 × 10 =
  20. 20.45 × 100 =
  21. 21.25 × 100 =
  22. 22.51 × ? = 5100
  23. 23.90 × 100 =
  24. 24.445 × 10 =
  25. 25.45 × ? = 45000
  26. 26.16 × ? = 16000
  27. 27.977 × ? = 9770
  28. 28.85 × 100 =
  29. 29.12 × 100 =
  30. 30.49 × ? = 49000
  31. 31.23 × 1000 =
  32. 32.24 × 100 =
  33. 33.524 × 10 =
  34. 34.720 × ? = 7200
  35. 35.69 × ? = 6900
  36. 36.791 × ? = 7910
  37. 37.21 × 100 =
  38. 38.12 × 1000 =
  39. 39.61 × ? = 6100
  40. 40.31 × 100 =

Answer key

  1. 1000
  2. 1000
  3. 4140
  4. 49000
  5. 10
  6. 7070
  7. 6820
  8. 10
  9. 43000
  10. 200
  11. 100
  12. 3000
  13. 5700
  14. 11000
  15. 7990
  16. 10
  17. 2940
  18. 5600
  19. 5810
  20. 4500
  21. 2500
  22. 100
  23. 9000
  24. 4450
  25. 1000
  26. 1000
  27. 10
  28. 8500
  29. 1200
  30. 1000
  31. 23000
  32. 2400
  33. 5240
  34. 10
  35. 100
  36. 10
  37. 2100
  38. 12000
  39. 100
  40. 3100

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