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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 769 · 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. 2.45 × ? = 4500
  3. 3.971 × 10 =
  4. 4.944 × 10 =
  5. 5.222 × 10 =
  6. 6.563 × ? = 5630
  7. 7.22 × 1000 =
  8. 8.773 × ? = 7730
  9. 9.89 × ? = 8900
  10. 10.31 × ? = 31000
  11. 11.3 × ? = 300
  12. 12.967 × 10 =
  13. 13.65 × 100 =
  14. 14.578 × ? = 5780
  15. 15.7 × ? = 7000
  16. 16.47 × 1000 =
  17. 17.42 × 100 =
  18. 18.39 × 1000 =
  19. 19.926 × 10 =
  20. 20.31 × 10 =
  21. 21.25 × ? = 25000
  22. 22.6 × 1000 =
  23. 23.9 × 1000 =
  24. 24.101 × 10 =
  25. 25.852 × 10 =
  26. 26.89 × 100 =
  27. 27.20 × 1000 =
  28. 28.141 × 10 =
  29. 29.51 × 100 =
  30. 30.10 × 1000 =
  31. 31.923 × 10 =
  32. 32.5 × 1000 =
  33. 33.794 × ? = 7940
  34. 34.78 × ? = 7800
  35. 35.62 × ? = 6200
  36. 36.63 × ? = 630
  37. 37.819 × ? = 8190
  38. 38.687 × 10 =
  39. 39.49 × 100 =
  40. 40.2 × 100 =

Answer key

  1. 8500
  2. 100
  3. 9710
  4. 9440
  5. 2220
  6. 10
  7. 22000
  8. 10
  9. 100
  10. 1000
  11. 100
  12. 9670
  13. 6500
  14. 10
  15. 1000
  16. 47000
  17. 4200
  18. 39000
  19. 9260
  20. 310
  21. 1000
  22. 6000
  23. 9000
  24. 1010
  25. 8520
  26. 8900
  27. 20000
  28. 1410
  29. 5100
  30. 10000
  31. 9230
  32. 5000
  33. 10
  34. 100
  35. 100
  36. 10
  37. 10
  38. 6870
  39. 4900
  40. 200

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