← × 5 and × 50: halve first lesson New set →

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 455 · 40 questions
TalentJR

The fast method (Halve first): Halve the number. × 5: multiply the half by 10. × 50: multiply the half by 100. Odd number? Its half ends in .5 — 43 → 21.5 — and × 10 moves the point: 215.

NameDateTime takenScore ___ / 40
  1. 1.77 × 5 =
  2. 2.58 × 50 =
  3. 3.66 × 50 =
  4. 4.45 × 50 =
  5. 5.54 × 5 =
  6. 6.30 × 5 =
  7. 7.83 × 5 =
  8. 8.83 × 50 =
  9. 9.43 × 5 =
  10. 10.82 × 50 =
  11. 11.59 × 50 =
  12. 12.81 × 50 =
  13. 13.91 × 5 =
  14. 14.32 × 50 =
  15. 15.69 × 5 =
  16. 16.92 × 50 =
  17. 17.13 × 5 =
  18. 18.96 × 50 =
  19. 19.26 × 5 =
  20. 20.36 × 5 =
  21. 21.37 × 50 =
  22. 22.22 × 5 =
  23. 23.26 × 50 =
  24. 24.24 × 50 =
  25. 25.23 × 50 =
  26. 26.44 × 50 =
  27. 27.69 × 50 =
  28. 28.50 × 50 =
  29. 29.55 × 5 =
  30. 30.31 × 5 =
  31. 31.24 × 5 =
  32. 32.18 × 50 =
  33. 33.72 × 5 =
  34. 34.35 × 5 =
  35. 35.35 × 50 =
  36. 36.97 × 50 =
  37. 37.44 × 50 =
  38. 38.51 × 5 =
  39. 39.12 × 5 =
  40. 40.83 × 5 =

Answer key

  1. 385
  2. 2900
  3. 3300
  4. 2250
  5. 270
  6. 150
  7. 415
  8. 4150
  9. 215
  10. 4100
  11. 2950
  12. 4050
  13. 455
  14. 1600
  15. 345
  16. 4600
  17. 65
  18. 4800
  19. 130
  20. 180
  21. 1850
  22. 110
  23. 1300
  24. 1200
  25. 1150
  26. 2200
  27. 3450
  28. 2500
  29. 275
  30. 155
  31. 120
  32. 900
  33. 360
  34. 175
  35. 1750
  36. 4850
  37. 2200
  38. 255
  39. 60
  40. 415

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths