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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 704 · 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. 1.66 × 50 =
  2. 2.22 × 5 =
  3. 3.43 × 50 =
  4. 4.19 × 5 =
  5. 5.50 × 5 =
  6. 6.51 × 50 =
  7. 7.30 × 50 =
  8. 8.88 × 50 =
  9. 9.22 × 50 =
  10. 10.71 × 5 =
  11. 11.18 × 50 =
  12. 12.72 × 5 =
  13. 13.76 × 50 =
  14. 14.51 × 5 =
  15. 15.53 × 5 =
  16. 16.32 × 50 =
  17. 17.84 × 5 =
  18. 18.22 × 5 =
  19. 19.40 × 50 =
  20. 20.80 × 50 =
  21. 21.25 × 5 =
  22. 22.86 × 5 =
  23. 23.94 × 5 =
  24. 24.34 × 50 =
  25. 25.24 × 50 =
  26. 26.94 × 5 =
  27. 27.46 × 5 =
  28. 28.38 × 50 =
  29. 29.79 × 5 =
  30. 30.20 × 5 =
  31. 31.89 × 5 =
  32. 32.62 × 5 =
  33. 33.84 × 5 =
  34. 34.22 × 5 =
  35. 35.95 × 5 =
  36. 36.61 × 50 =
  37. 37.31 × 5 =
  38. 38.49 × 5 =
  39. 39.62 × 50 =
  40. 40.24 × 5 =

Answer key

  1. 3300
  2. 110
  3. 2150
  4. 95
  5. 250
  6. 2550
  7. 1500
  8. 4400
  9. 1100
  10. 355
  11. 900
  12. 360
  13. 3800
  14. 255
  15. 265
  16. 1600
  17. 420
  18. 110
  19. 2000
  20. 4000
  21. 125
  22. 430
  23. 470
  24. 1700
  25. 1200
  26. 470
  27. 230
  28. 1900
  29. 395
  30. 100
  31. 445
  32. 310
  33. 420
  34. 110
  35. 475
  36. 3050
  37. 155
  38. 245
  39. 3100
  40. 120

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