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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 404 · 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. 1.76 × 50 =
  2. 2.40 × 5 =
  3. 3.44 × 5 =
  4. 4.13 × 50 =
  5. 5.42 × 50 =
  6. 6.39 × 5 =
  7. 7.21 × 5 =
  8. 8.80 × 50 =
  9. 9.62 × 50 =
  10. 10.29 × 5 =
  11. 11.18 × 50 =
  12. 12.60 × 50 =
  13. 13.24 × 5 =
  14. 14.31 × 50 =
  15. 15.73 × 5 =
  16. 16.24 × 5 =
  17. 17.86 × 5 =
  18. 18.16 × 5 =
  19. 19.15 × 5 =
  20. 20.79 × 50 =
  21. 21.36 × 50 =
  22. 22.90 × 50 =
  23. 23.20 × 50 =
  24. 24.70 × 50 =
  25. 25.47 × 5 =
  26. 26.37 × 5 =
  27. 27.97 × 50 =
  28. 28.57 × 50 =
  29. 29.33 × 5 =
  30. 30.89 × 5 =
  31. 31.71 × 5 =
  32. 32.60 × 5 =
  33. 33.37 × 5 =
  34. 34.38 × 5 =
  35. 35.20 × 5 =
  36. 36.59 × 50 =
  37. 37.98 × 5 =
  38. 38.98 × 5 =
  39. 39.80 × 50 =
  40. 40.38 × 5 =

Answer key

  1. 3800
  2. 200
  3. 220
  4. 650
  5. 2100
  6. 195
  7. 105
  8. 4000
  9. 3100
  10. 145
  11. 900
  12. 3000
  13. 120
  14. 1550
  15. 365
  16. 120
  17. 430
  18. 80
  19. 75
  20. 3950
  21. 1800
  22. 4500
  23. 1000
  24. 3500
  25. 235
  26. 185
  27. 4850
  28. 2850
  29. 165
  30. 445
  31. 355
  32. 300
  33. 185
  34. 190
  35. 100
  36. 2950
  37. 490
  38. 490
  39. 4000
  40. 190

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