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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 379 · 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. 1.65 × 50 =
  2. 2.13 × 5 =
  3. 3.15 × 5 =
  4. 4.41 × 50 =
  5. 5.32 × 5 =
  6. 6.19 × 50 =
  7. 7.71 × 5 =
  8. 8.30 × 5 =
  9. 9.60 × 50 =
  10. 10.86 × 5 =
  11. 11.17 × 50 =
  12. 12.71 × 5 =
  13. 13.73 × 50 =
  14. 14.76 × 5 =
  15. 15.19 × 5 =
  16. 16.65 × 5 =
  17. 17.50 × 5 =
  18. 18.62 × 50 =
  19. 19.93 × 5 =
  20. 20.91 × 50 =
  21. 21.46 × 5 =
  22. 22.39 × 5 =
  23. 23.12 × 50 =
  24. 24.39 × 5 =
  25. 25.72 × 5 =
  26. 26.39 × 5 =
  27. 27.41 × 50 =
  28. 28.66 × 5 =
  29. 29.35 × 50 =
  30. 30.41 × 5 =
  31. 31.79 × 50 =
  32. 32.15 × 50 =
  33. 33.89 × 5 =
  34. 34.18 × 50 =
  35. 35.84 × 5 =
  36. 36.96 × 50 =
  37. 37.63 × 50 =
  38. 38.74 × 50 =
  39. 39.57 × 50 =
  40. 40.98 × 5 =

Answer key

  1. 3250
  2. 65
  3. 75
  4. 2050
  5. 160
  6. 950
  7. 355
  8. 150
  9. 3000
  10. 430
  11. 850
  12. 355
  13. 3650
  14. 380
  15. 95
  16. 325
  17. 250
  18. 3100
  19. 465
  20. 4550
  21. 230
  22. 195
  23. 600
  24. 195
  25. 360
  26. 195
  27. 2050
  28. 330
  29. 1750
  30. 205
  31. 3950
  32. 750
  33. 445
  34. 900
  35. 420
  36. 4800
  37. 3150
  38. 3700
  39. 2850
  40. 490

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