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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 735 · 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. 1.23 × 1000 =
  2. 2.713 × ? = 7130
  3. 3.25 × 1000 =
  4. 4.51 × 100 =
  5. 5.40 × ? = 4000
  6. 6.653 × ? = 6530
  7. 7.453 × ? = 4530
  8. 8.388 × ? = 3880
  9. 9.27 × 1000 =
  10. 10.63 × 100 =
  11. 11.4 × 100 =
  12. 12.671 × 10 =
  13. 13.786 × 10 =
  14. 14.726 × ? = 7260
  15. 15.35 × 1000 =
  16. 16.75 × ? = 7500
  17. 17.287 × ? = 2870
  18. 18.7 × ? = 7000
  19. 19.6 × ? = 6000
  20. 20.45 × 100 =
  21. 21.946 × ? = 9460
  22. 22.733 × 10 =
  23. 23.39 × 1000 =
  24. 24.12 × 1000 =
  25. 25.9 × 1000 =
  26. 26.441 × 10 =
  27. 27.302 × ? = 3020
  28. 28.22 × ? = 2200
  29. 29.641 × 10 =
  30. 30.99 × 10 =
  31. 31.60 × ? = 6000
  32. 32.94 × ? = 9400
  33. 33.219 × ? = 2190
  34. 34.83 × ? = 8300
  35. 35.45 × ? = 45000
  36. 36.361 × ? = 3610
  37. 37.868 × 10 =
  38. 38.560 × 10 =
  39. 39.12 × 100 =
  40. 40.390 × 10 =

Answer key

  1. 23000
  2. 10
  3. 25000
  4. 5100
  5. 100
  6. 10
  7. 10
  8. 10
  9. 27000
  10. 6300
  11. 400
  12. 6710
  13. 7860
  14. 10
  15. 35000
  16. 100
  17. 10
  18. 1000
  19. 1000
  20. 4500
  21. 10
  22. 7330
  23. 39000
  24. 12000
  25. 9000
  26. 4410
  27. 10
  28. 100
  29. 6410
  30. 990
  31. 100
  32. 100
  33. 10
  34. 100
  35. 1000
  36. 10
  37. 8680
  38. 5600
  39. 1200
  40. 3900

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