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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 918 · 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. 1.20 × ? = 2000
  2. 2.18 × ? = 18000
  3. 3.473 × ? = 4730
  4. 4.26 × ? = 26000
  5. 5.25 × 100 =
  6. 6.26 × 100 =
  7. 7.70 × 100 =
  8. 8.12 × 1000 =
  9. 9.21 × 1000 =
  10. 10.65 × ? = 6500
  11. 11.822 × ? = 8220
  12. 12.834 × 10 =
  13. 13.17 × 1000 =
  14. 14.822 × 10 =
  15. 15.9 × 100 =
  16. 16.583 × ? = 5830
  17. 17.708 × 10 =
  18. 18.21 × 100 =
  19. 19.460 × ? = 4600
  20. 20.95 × 100 =
  21. 21.87 × ? = 8700
  22. 22.82 × 100 =
  23. 23.472 × 10 =
  24. 24.50 × 100 =
  25. 25.47 × 1000 =
  26. 26.24 × 1000 =
  27. 27.25 × ? = 2500
  28. 28.72 × 100 =
  29. 29.897 × 10 =
  30. 30.46 × 1000 =
  31. 31.124 × 10 =
  32. 32.6 × 100 =
  33. 33.3 × ? = 300
  34. 34.624 × ? = 6240
  35. 35.104 × 10 =
  36. 36.32 × ? = 32000
  37. 37.319 × ? = 3190
  38. 38.895 × 10 =
  39. 39.29 × ? = 29000
  40. 40.283 × 10 =

Answer key

  1. 100
  2. 1000
  3. 10
  4. 1000
  5. 2500
  6. 2600
  7. 7000
  8. 12000
  9. 21000
  10. 100
  11. 10
  12. 8340
  13. 17000
  14. 8220
  15. 900
  16. 10
  17. 7080
  18. 2100
  19. 10
  20. 9500
  21. 100
  22. 8200
  23. 4720
  24. 5000
  25. 47000
  26. 24000
  27. 100
  28. 7200
  29. 8970
  30. 46000
  31. 1240
  32. 600
  33. 100
  34. 10
  35. 1040
  36. 1000
  37. 10
  38. 8950
  39. 1000
  40. 2830

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