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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 130 · 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. 1.39 × 50 =
  2. 2.78 × 5 =
  3. 3.27 × 50 =
  4. 4.26 × 5 =
  5. 5.92 × 50 =
  6. 6.56 × 5 =
  7. 7.41 × 50 =
  8. 8.55 × 50 =
  9. 9.66 × 5 =
  10. 10.66 × 5 =
  11. 11.63 × 5 =
  12. 12.49 × 5 =
  13. 13.54 × 50 =
  14. 14.35 × 5 =
  15. 15.49 × 5 =
  16. 16.86 × 50 =
  17. 17.35 × 50 =
  18. 18.31 × 50 =
  19. 19.35 × 5 =
  20. 20.21 × 5 =
  21. 21.32 × 50 =
  22. 22.85 × 5 =
  23. 23.38 × 50 =
  24. 24.96 × 50 =
  25. 25.81 × 5 =
  26. 26.89 × 5 =
  27. 27.22 × 5 =
  28. 28.15 × 50 =
  29. 29.67 × 50 =
  30. 30.91 × 5 =
  31. 31.19 × 5 =
  32. 32.45 × 5 =
  33. 33.79 × 5 =
  34. 34.47 × 5 =
  35. 35.69 × 50 =
  36. 36.38 × 5 =
  37. 37.24 × 50 =
  38. 38.45 × 5 =
  39. 39.17 × 50 =
  40. 40.29 × 5 =

Answer key

  1. 1950
  2. 390
  3. 1350
  4. 130
  5. 4600
  6. 280
  7. 2050
  8. 2750
  9. 330
  10. 330
  11. 315
  12. 245
  13. 2700
  14. 175
  15. 245
  16. 4300
  17. 1750
  18. 1550
  19. 175
  20. 105
  21. 1600
  22. 425
  23. 1900
  24. 4800
  25. 405
  26. 445
  27. 110
  28. 750
  29. 3350
  30. 455
  31. 95
  32. 225
  33. 395
  34. 235
  35. 3450
  36. 190
  37. 1200
  38. 225
  39. 850
  40. 145

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