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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 118 · 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. 1.21 × 5 =
  2. 2.20 × 5 =
  3. 3.24 × 50 =
  4. 4.40 × 50 =
  5. 5.27 × 50 =
  6. 6.55 × 50 =
  7. 7.59 × 50 =
  8. 8.54 × 5 =
  9. 9.81 × 5 =
  10. 10.13 × 50 =
  11. 11.75 × 50 =
  12. 12.51 × 50 =
  13. 13.24 × 50 =
  14. 14.22 × 50 =
  15. 15.24 × 5 =
  16. 16.62 × 50 =
  17. 17.83 × 50 =
  18. 18.81 × 50 =
  19. 19.82 × 5 =
  20. 20.85 × 5 =
  21. 21.79 × 50 =
  22. 22.66 × 5 =
  23. 23.74 × 50 =
  24. 24.50 × 5 =
  25. 25.87 × 50 =
  26. 26.12 × 50 =
  27. 27.85 × 5 =
  28. 28.22 × 5 =
  29. 29.81 × 5 =
  30. 30.51 × 5 =
  31. 31.45 × 5 =
  32. 32.30 × 5 =
  33. 33.92 × 5 =
  34. 34.91 × 5 =
  35. 35.59 × 50 =
  36. 36.31 × 5 =
  37. 37.31 × 5 =
  38. 38.91 × 5 =
  39. 39.40 × 5 =
  40. 40.59 × 50 =

Answer key

  1. 105
  2. 100
  3. 1200
  4. 2000
  5. 1350
  6. 2750
  7. 2950
  8. 270
  9. 405
  10. 650
  11. 3750
  12. 2550
  13. 1200
  14. 1100
  15. 120
  16. 3100
  17. 4150
  18. 4050
  19. 410
  20. 425
  21. 3950
  22. 330
  23. 3700
  24. 250
  25. 4350
  26. 600
  27. 425
  28. 110
  29. 405
  30. 255
  31. 225
  32. 150
  33. 460
  34. 455
  35. 2950
  36. 155
  37. 155
  38. 455
  39. 200
  40. 2950

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