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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 304 · 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 × 5 =
  2. 2.34 × 50 =
  3. 3.63 × 50 =
  4. 4.20 × 50 =
  5. 5.66 × 50 =
  6. 6.76 × 50 =
  7. 7.21 × 50 =
  8. 8.14 × 50 =
  9. 9.46 × 5 =
  10. 10.93 × 5 =
  11. 11.95 × 5 =
  12. 12.39 × 5 =
  13. 13.82 × 5 =
  14. 14.18 × 5 =
  15. 15.56 × 5 =
  16. 16.69 × 50 =
  17. 17.69 × 5 =
  18. 18.92 × 50 =
  19. 19.75 × 5 =
  20. 20.14 × 50 =
  21. 21.27 × 50 =
  22. 22.35 × 50 =
  23. 23.41 × 50 =
  24. 24.22 × 5 =
  25. 25.59 × 50 =
  26. 26.71 × 50 =
  27. 27.26 × 5 =
  28. 28.43 × 50 =
  29. 29.13 × 5 =
  30. 30.37 × 5 =
  31. 31.31 × 5 =
  32. 32.69 × 5 =
  33. 33.13 × 5 =
  34. 34.52 × 5 =
  35. 35.77 × 50 =
  36. 36.84 × 5 =
  37. 37.32 × 50 =
  38. 38.16 × 50 =
  39. 39.24 × 5 =
  40. 40.76 × 5 =

Answer key

  1. 195
  2. 1700
  3. 3150
  4. 1000
  5. 3300
  6. 3800
  7. 1050
  8. 700
  9. 230
  10. 465
  11. 475
  12. 195
  13. 410
  14. 90
  15. 280
  16. 3450
  17. 345
  18. 4600
  19. 375
  20. 700
  21. 1350
  22. 1750
  23. 2050
  24. 110
  25. 2950
  26. 3550
  27. 130
  28. 2150
  29. 65
  30. 185
  31. 155
  32. 345
  33. 65
  34. 260
  35. 3850
  36. 420
  37. 1600
  38. 800
  39. 120
  40. 380

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