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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 3 · 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. 1.47 × ? = 47000
  2. 2.277 × ? = 2770
  3. 3.147 × ? = 1470
  4. 4.58 × ? = 5800
  5. 5.15 × 1000 =
  6. 6.30 × 1000 =
  7. 7.23 × ? = 2300
  8. 8.6 × 1000 =
  9. 9.10 × 100 =
  10. 10.29 × 100 =
  11. 11.48 × ? = 48000
  12. 12.551 × 10 =
  13. 13.238 × 10 =
  14. 14.27 × ? = 27000
  15. 15.744 × 10 =
  16. 16.96 × 100 =
  17. 17.625 × ? = 6250
  18. 18.345 × ? = 3450
  19. 19.457 × 10 =
  20. 20.270 × 10 =
  21. 21.53 × 100 =
  22. 22.12 × 1000 =
  23. 23.2 × 100 =
  24. 24.335 × 10 =
  25. 25.16 × 100 =
  26. 26.20 × 1000 =
  27. 27.688 × 10 =
  28. 28.5 × ? = 5000
  29. 29.41 × ? = 41000
  30. 30.255 × ? = 2550
  31. 31.301 × 10 =
  32. 32.799 × ? = 7990
  33. 33.38 × 1000 =
  34. 34.664 × ? = 6640
  35. 35.929 × 10 =
  36. 36.95 × ? = 9500
  37. 37.776 × 10 =
  38. 38.51 × ? = 5100
  39. 39.222 × ? = 2220
  40. 40.509 × 10 =

Answer key

  1. 1000
  2. 10
  3. 10
  4. 100
  5. 15000
  6. 30000
  7. 100
  8. 6000
  9. 1000
  10. 2900
  11. 1000
  12. 5510
  13. 2380
  14. 1000
  15. 7440
  16. 9600
  17. 10
  18. 10
  19. 4570
  20. 2700
  21. 5300
  22. 12000
  23. 200
  24. 3350
  25. 1600
  26. 20000
  27. 6880
  28. 1000
  29. 1000
  30. 10
  31. 3010
  32. 10
  33. 38000
  34. 10
  35. 9290
  36. 100
  37. 7760
  38. 100
  39. 10
  40. 5090

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