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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 241 · 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. 1.83 × 5 =
  2. 2.83 × 5 =
  3. 3.36 × 50 =
  4. 4.83 × 50 =
  5. 5.60 × 5 =
  6. 6.34 × 5 =
  7. 7.90 × 5 =
  8. 8.39 × 50 =
  9. 9.77 × 5 =
  10. 10.71 × 5 =
  11. 11.23 × 5 =
  12. 12.64 × 5 =
  13. 13.43 × 5 =
  14. 14.48 × 5 =
  15. 15.42 × 5 =
  16. 16.80 × 5 =
  17. 17.87 × 5 =
  18. 18.17 × 50 =
  19. 19.34 × 5 =
  20. 20.21 × 5 =
  21. 21.98 × 50 =
  22. 22.38 × 5 =
  23. 23.47 × 5 =
  24. 24.33 × 5 =
  25. 25.24 × 5 =
  26. 26.56 × 5 =
  27. 27.19 × 5 =
  28. 28.69 × 5 =
  29. 29.94 × 50 =
  30. 30.76 × 5 =
  31. 31.30 × 50 =
  32. 32.46 × 5 =
  33. 33.14 × 50 =
  34. 34.33 × 5 =
  35. 35.45 × 5 =
  36. 36.24 × 5 =
  37. 37.73 × 50 =
  38. 38.91 × 5 =
  39. 39.30 × 50 =
  40. 40.53 × 50 =

Answer key

  1. 415
  2. 415
  3. 1800
  4. 4150
  5. 300
  6. 170
  7. 450
  8. 1950
  9. 385
  10. 355
  11. 115
  12. 320
  13. 215
  14. 240
  15. 210
  16. 400
  17. 435
  18. 850
  19. 170
  20. 105
  21. 4900
  22. 190
  23. 235
  24. 165
  25. 120
  26. 280
  27. 95
  28. 345
  29. 4700
  30. 380
  31. 1500
  32. 230
  33. 700
  34. 165
  35. 225
  36. 120
  37. 3650
  38. 455
  39. 1500
  40. 2650

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