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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 528 · 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. 1.19 × 5 =
  2. 2.37 × 5 =
  3. 3.38 × 50 =
  4. 4.42 × 50 =
  5. 5.52 × 50 =
  6. 6.63 × 50 =
  7. 7.88 × 5 =
  8. 8.42 × 5 =
  9. 9.22 × 50 =
  10. 10.61 × 50 =
  11. 11.95 × 5 =
  12. 12.56 × 5 =
  13. 13.87 × 5 =
  14. 14.13 × 5 =
  15. 15.55 × 50 =
  16. 16.73 × 50 =
  17. 17.91 × 50 =
  18. 18.28 × 50 =
  19. 19.70 × 50 =
  20. 20.53 × 5 =
  21. 21.14 × 50 =
  22. 22.54 × 5 =
  23. 23.31 × 50 =
  24. 24.12 × 5 =
  25. 25.16 × 50 =
  26. 26.15 × 5 =
  27. 27.66 × 50 =
  28. 28.19 × 50 =
  29. 29.98 × 50 =
  30. 30.39 × 50 =
  31. 31.28 × 5 =
  32. 32.66 × 5 =
  33. 33.66 × 5 =
  34. 34.50 × 5 =
  35. 35.50 × 50 =
  36. 36.16 × 50 =
  37. 37.33 × 5 =
  38. 38.15 × 5 =
  39. 39.45 × 5 =
  40. 40.83 × 5 =

Answer key

  1. 95
  2. 185
  3. 1900
  4. 2100
  5. 2600
  6. 3150
  7. 440
  8. 210
  9. 1100
  10. 3050
  11. 475
  12. 280
  13. 435
  14. 65
  15. 2750
  16. 3650
  17. 4550
  18. 1400
  19. 3500
  20. 265
  21. 700
  22. 270
  23. 1550
  24. 60
  25. 800
  26. 75
  27. 3300
  28. 950
  29. 4900
  30. 1950
  31. 140
  32. 330
  33. 330
  34. 250
  35. 2500
  36. 800
  37. 165
  38. 75
  39. 225
  40. 415

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