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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 762 · 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. 1.67 × 5 =
  2. 2.96 × 5 =
  3. 3.39 × 50 =
  4. 4.54 × 5 =
  5. 5.55 × 5 =
  6. 6.58 × 5 =
  7. 7.67 × 5 =
  8. 8.65 × 5 =
  9. 9.97 × 50 =
  10. 10.53 × 5 =
  11. 11.15 × 5 =
  12. 12.85 × 5 =
  13. 13.37 × 5 =
  14. 14.27 × 5 =
  15. 15.30 × 5 =
  16. 16.69 × 50 =
  17. 17.64 × 50 =
  18. 18.98 × 5 =
  19. 19.96 × 5 =
  20. 20.94 × 50 =
  21. 21.48 × 5 =
  22. 22.45 × 5 =
  23. 23.12 × 50 =
  24. 24.23 × 5 =
  25. 25.80 × 5 =
  26. 26.76 × 5 =
  27. 27.84 × 50 =
  28. 28.22 × 5 =
  29. 29.85 × 5 =
  30. 30.61 × 50 =
  31. 31.79 × 5 =
  32. 32.84 × 50 =
  33. 33.24 × 5 =
  34. 34.83 × 5 =
  35. 35.29 × 5 =
  36. 36.78 × 5 =
  37. 37.33 × 5 =
  38. 38.24 × 50 =
  39. 39.65 × 5 =
  40. 40.77 × 5 =

Answer key

  1. 335
  2. 480
  3. 1950
  4. 270
  5. 275
  6. 290
  7. 335
  8. 325
  9. 4850
  10. 265
  11. 75
  12. 425
  13. 185
  14. 135
  15. 150
  16. 3450
  17. 3200
  18. 490
  19. 480
  20. 4700
  21. 240
  22. 225
  23. 600
  24. 115
  25. 400
  26. 380
  27. 4200
  28. 110
  29. 425
  30. 3050
  31. 395
  32. 4200
  33. 120
  34. 415
  35. 145
  36. 390
  37. 165
  38. 1200
  39. 325
  40. 385

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