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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 720 · 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. 1.94 × 50 =
  2. 2.53 × 5 =
  3. 3.55 × 5 =
  4. 4.89 × 50 =
  5. 5.50 × 50 =
  6. 6.29 × 50 =
  7. 7.93 × 50 =
  8. 8.39 × 5 =
  9. 9.89 × 5 =
  10. 10.76 × 50 =
  11. 11.58 × 50 =
  12. 12.85 × 5 =
  13. 13.74 × 50 =
  14. 14.66 × 5 =
  15. 15.77 × 5 =
  16. 16.37 × 50 =
  17. 17.94 × 50 =
  18. 18.69 × 5 =
  19. 19.27 × 50 =
  20. 20.60 × 50 =
  21. 21.69 × 50 =
  22. 22.57 × 5 =
  23. 23.12 × 5 =
  24. 24.66 × 5 =
  25. 25.49 × 50 =
  26. 26.34 × 50 =
  27. 27.44 × 5 =
  28. 28.29 × 50 =
  29. 29.95 × 5 =
  30. 30.23 × 50 =
  31. 31.19 × 5 =
  32. 32.68 × 5 =
  33. 33.29 × 5 =
  34. 34.15 × 5 =
  35. 35.92 × 5 =
  36. 36.36 × 5 =
  37. 37.94 × 5 =
  38. 38.72 × 5 =
  39. 39.37 × 5 =
  40. 40.33 × 50 =

Answer key

  1. 4700
  2. 265
  3. 275
  4. 4450
  5. 2500
  6. 1450
  7. 4650
  8. 195
  9. 445
  10. 3800
  11. 2900
  12. 425
  13. 3700
  14. 330
  15. 385
  16. 1850
  17. 4700
  18. 345
  19. 1350
  20. 3000
  21. 3450
  22. 285
  23. 60
  24. 330
  25. 2450
  26. 1700
  27. 220
  28. 1450
  29. 475
  30. 1150
  31. 95
  32. 340
  33. 145
  34. 75
  35. 460
  36. 180
  37. 470
  38. 360
  39. 185
  40. 1650

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