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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 723 · 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. 1.85 × 100 =
  2. 2.28 × 100 =
  3. 3.467 × ? = 4670
  4. 4.79 × 100 =
  5. 5.389 × 10 =
  6. 6.202 × 10 =
  7. 7.870 × ? = 8700
  8. 8.35 × 100 =
  9. 9.859 × 10 =
  10. 10.12 × 1000 =
  11. 11.13 × ? = 13000
  12. 12.3 × 1000 =
  13. 13.24 × 1000 =
  14. 14.785 × 10 =
  15. 15.7 × ? = 7000
  16. 16.23 × ? = 2300
  17. 17.5 × 1000 =
  18. 18.20 × 100 =
  19. 19.841 × 10 =
  20. 20.97 × ? = 9700
  21. 21.394 × 10 =
  22. 22.74 × ? = 7400
  23. 23.907 × 10 =
  24. 24.867 × 10 =
  25. 25.20 × 1000 =
  26. 26.11 × 1000 =
  27. 27.54 × 100 =
  28. 28.578 × ? = 5780
  29. 29.16 × ? = 1600
  30. 30.29 × ? = 2900
  31. 31.703 × 10 =
  32. 32.8 × ? = 800
  33. 33.2 × ? = 200
  34. 34.231 × ? = 2310
  35. 35.56 × 100 =
  36. 36.2 × 10 =
  37. 37.26 × 1000 =
  38. 38.237 × ? = 2370
  39. 39.464 × 10 =
  40. 40.14 × 1000 =

Answer key

  1. 8500
  2. 2800
  3. 10
  4. 7900
  5. 3890
  6. 2020
  7. 10
  8. 3500
  9. 8590
  10. 12000
  11. 1000
  12. 3000
  13. 24000
  14. 7850
  15. 1000
  16. 100
  17. 5000
  18. 2000
  19. 8410
  20. 100
  21. 3940
  22. 100
  23. 9070
  24. 8670
  25. 20000
  26. 11000
  27. 5400
  28. 10
  29. 100
  30. 100
  31. 7030
  32. 100
  33. 100
  34. 10
  35. 5600
  36. 20
  37. 26000
  38. 10
  39. 4640
  40. 14000

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