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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 108 · 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. 1.53 × 5 =
  2. 2.44 × 5 =
  3. 3.71 × 5 =
  4. 4.52 × 50 =
  5. 5.83 × 50 =
  6. 6.17 × 50 =
  7. 7.61 × 50 =
  8. 8.70 × 5 =
  9. 9.86 × 50 =
  10. 10.36 × 50 =
  11. 11.69 × 5 =
  12. 12.13 × 50 =
  13. 13.89 × 5 =
  14. 14.16 × 50 =
  15. 15.78 × 50 =
  16. 16.34 × 5 =
  17. 17.14 × 5 =
  18. 18.23 × 5 =
  19. 19.59 × 5 =
  20. 20.47 × 5 =
  21. 21.25 × 50 =
  22. 22.60 × 5 =
  23. 23.58 × 5 =
  24. 24.45 × 5 =
  25. 25.55 × 50 =
  26. 26.39 × 5 =
  27. 27.24 × 50 =
  28. 28.50 × 5 =
  29. 29.91 × 5 =
  30. 30.35 × 50 =
  31. 31.34 × 50 =
  32. 32.57 × 50 =
  33. 33.80 × 5 =
  34. 34.66 × 5 =
  35. 35.66 × 50 =
  36. 36.29 × 5 =
  37. 37.41 × 5 =
  38. 38.15 × 5 =
  39. 39.24 × 50 =
  40. 40.96 × 5 =

Answer key

  1. 265
  2. 220
  3. 355
  4. 2600
  5. 4150
  6. 850
  7. 3050
  8. 350
  9. 4300
  10. 1800
  11. 345
  12. 650
  13. 445
  14. 800
  15. 3900
  16. 170
  17. 70
  18. 115
  19. 295
  20. 235
  21. 1250
  22. 300
  23. 290
  24. 225
  25. 2750
  26. 195
  27. 1200
  28. 250
  29. 455
  30. 1750
  31. 1700
  32. 2850
  33. 400
  34. 330
  35. 3300
  36. 145
  37. 205
  38. 75
  39. 1200
  40. 480

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