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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 317 · 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. 1.84 × 50 =
  2. 2.69 × 5 =
  3. 3.72 × 5 =
  4. 4.21 × 50 =
  5. 5.29 × 5 =
  6. 6.44 × 50 =
  7. 7.46 × 50 =
  8. 8.19 × 50 =
  9. 9.27 × 50 =
  10. 10.78 × 5 =
  11. 11.81 × 5 =
  12. 12.61 × 50 =
  13. 13.29 × 50 =
  14. 14.79 × 5 =
  15. 15.86 × 50 =
  16. 16.73 × 5 =
  17. 17.35 × 50 =
  18. 18.48 × 5 =
  19. 19.94 × 50 =
  20. 20.19 × 50 =
  21. 21.17 × 5 =
  22. 22.78 × 5 =
  23. 23.49 × 50 =
  24. 24.91 × 5 =
  25. 25.27 × 50 =
  26. 26.31 × 5 =
  27. 27.30 × 5 =
  28. 28.71 × 5 =
  29. 29.75 × 50 =
  30. 30.66 × 5 =
  31. 31.78 × 50 =
  32. 32.87 × 5 =
  33. 33.75 × 5 =
  34. 34.86 × 5 =
  35. 35.48 × 50 =
  36. 36.74 × 50 =
  37. 37.54 × 5 =
  38. 38.49 × 50 =
  39. 39.55 × 5 =
  40. 40.46 × 5 =

Answer key

  1. 4200
  2. 345
  3. 360
  4. 1050
  5. 145
  6. 2200
  7. 2300
  8. 950
  9. 1350
  10. 390
  11. 405
  12. 3050
  13. 1450
  14. 395
  15. 4300
  16. 365
  17. 1750
  18. 240
  19. 4700
  20. 950
  21. 85
  22. 390
  23. 2450
  24. 455
  25. 1350
  26. 155
  27. 150
  28. 355
  29. 3750
  30. 330
  31. 3900
  32. 435
  33. 375
  34. 430
  35. 2400
  36. 3700
  37. 270
  38. 2450
  39. 275
  40. 230

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