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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 474 · 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. 1.42 × ? = 42000
  2. 2.45 × 1000 =
  3. 3.22 × 1000 =
  4. 4.682 × 10 =
  5. 5.6 × 1000 =
  6. 6.438 × 10 =
  7. 7.4 × ? = 4000
  8. 8.855 × ? = 8550
  9. 9.664 × ? = 6640
  10. 10.551 × 10 =
  11. 11.54 × 100 =
  12. 12.655 × ? = 6550
  13. 13.541 × ? = 5410
  14. 14.75 × ? = 750
  15. 15.50 × ? = 50000
  16. 16.43 × ? = 43000
  17. 17.490 × 10 =
  18. 18.191 × ? = 1910
  19. 19.15 × 1000 =
  20. 20.57 × 100 =
  21. 21.469 × 10 =
  22. 22.24 × 1000 =
  23. 23.389 × 10 =
  24. 24.270 × 10 =
  25. 25.55 × ? = 5500
  26. 26.43 × 1000 =
  27. 27.47 × ? = 4700
  28. 28.56 × 100 =
  29. 29.55 × 100 =
  30. 30.480 × 10 =
  31. 31.12 × 1000 =
  32. 32.30 × 100 =
  33. 33.758 × 10 =
  34. 34.597 × ? = 5970
  35. 35.242 × ? = 2420
  36. 36.47 × 100 =
  37. 37.41 × 1000 =
  38. 38.155 × 10 =
  39. 39.314 × 10 =
  40. 40.17 × 100 =

Answer key

  1. 1000
  2. 45000
  3. 22000
  4. 6820
  5. 6000
  6. 4380
  7. 1000
  8. 10
  9. 10
  10. 5510
  11. 5400
  12. 10
  13. 10
  14. 10
  15. 1000
  16. 1000
  17. 4900
  18. 10
  19. 15000
  20. 5700
  21. 4690
  22. 24000
  23. 3890
  24. 2700
  25. 100
  26. 43000
  27. 100
  28. 5600
  29. 5500
  30. 4800
  31. 12000
  32. 3000
  33. 7580
  34. 10
  35. 10
  36. 4700
  37. 41000
  38. 1550
  39. 3140
  40. 1700

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