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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 489 · 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. 1.39 × 50 =
  2. 2.68 × 50 =
  3. 3.52 × 5 =
  4. 4.72 × 5 =
  5. 5.44 × 50 =
  6. 6.73 × 50 =
  7. 7.47 × 5 =
  8. 8.69 × 50 =
  9. 9.50 × 5 =
  10. 10.41 × 50 =
  11. 11.14 × 50 =
  12. 12.73 × 50 =
  13. 13.78 × 50 =
  14. 14.30 × 5 =
  15. 15.15 × 5 =
  16. 16.27 × 50 =
  17. 17.36 × 50 =
  18. 18.83 × 5 =
  19. 19.52 × 5 =
  20. 20.92 × 50 =
  21. 21.71 × 50 =
  22. 22.40 × 50 =
  23. 23.18 × 5 =
  24. 24.83 × 50 =
  25. 25.25 × 5 =
  26. 26.12 × 50 =
  27. 27.98 × 5 =
  28. 28.41 × 50 =
  29. 29.64 × 50 =
  30. 30.75 × 5 =
  31. 31.17 × 50 =
  32. 32.43 × 50 =
  33. 33.29 × 50 =
  34. 34.87 × 5 =
  35. 35.61 × 50 =
  36. 36.84 × 50 =
  37. 37.67 × 50 =
  38. 38.51 × 5 =
  39. 39.83 × 50 =
  40. 40.93 × 50 =

Answer key

  1. 1950
  2. 3400
  3. 260
  4. 360
  5. 2200
  6. 3650
  7. 235
  8. 3450
  9. 250
  10. 2050
  11. 700
  12. 3650
  13. 3900
  14. 150
  15. 75
  16. 1350
  17. 1800
  18. 415
  19. 260
  20. 4600
  21. 3550
  22. 2000
  23. 90
  24. 4150
  25. 125
  26. 600
  27. 490
  28. 2050
  29. 3200
  30. 375
  31. 850
  32. 2150
  33. 1450
  34. 435
  35. 3050
  36. 4200
  37. 3350
  38. 255
  39. 4150
  40. 4650

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