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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 851 · 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. 1.44 × 5 =
  2. 2.81 × 5 =
  3. 3.45 × 5 =
  4. 4.33 × 50 =
  5. 5.96 × 5 =
  6. 6.52 × 5 =
  7. 7.28 × 5 =
  8. 8.77 × 50 =
  9. 9.43 × 50 =
  10. 10.18 × 5 =
  11. 11.20 × 5 =
  12. 12.13 × 5 =
  13. 13.34 × 50 =
  14. 14.80 × 5 =
  15. 15.64 × 50 =
  16. 16.98 × 5 =
  17. 17.57 × 50 =
  18. 18.12 × 5 =
  19. 19.17 × 5 =
  20. 20.38 × 50 =
  21. 21.22 × 50 =
  22. 22.58 × 5 =
  23. 23.66 × 5 =
  24. 24.23 × 5 =
  25. 25.80 × 5 =
  26. 26.82 × 5 =
  27. 27.27 × 5 =
  28. 28.38 × 50 =
  29. 29.96 × 5 =
  30. 30.93 × 5 =
  31. 31.28 × 5 =
  32. 32.38 × 5 =
  33. 33.20 × 50 =
  34. 34.97 × 50 =
  35. 35.84 × 5 =
  36. 36.79 × 50 =
  37. 37.55 × 5 =
  38. 38.19 × 50 =
  39. 39.27 × 5 =
  40. 40.53 × 50 =

Answer key

  1. 220
  2. 405
  3. 225
  4. 1650
  5. 480
  6. 260
  7. 140
  8. 3850
  9. 2150
  10. 90
  11. 100
  12. 65
  13. 1700
  14. 400
  15. 3200
  16. 490
  17. 2850
  18. 60
  19. 85
  20. 1900
  21. 1100
  22. 290
  23. 330
  24. 115
  25. 400
  26. 410
  27. 135
  28. 1900
  29. 480
  30. 465
  31. 140
  32. 190
  33. 1000
  34. 4850
  35. 420
  36. 3950
  37. 275
  38. 950
  39. 135
  40. 2650

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