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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 142 · 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. 1.26 × 5 =
  2. 2.92 × 5 =
  3. 3.12 × 50 =
  4. 4.26 × 5 =
  5. 5.38 × 5 =
  6. 6.95 × 50 =
  7. 7.48 × 5 =
  8. 8.89 × 5 =
  9. 9.87 × 50 =
  10. 10.87 × 50 =
  11. 11.78 × 5 =
  12. 12.63 × 5 =
  13. 13.77 × 50 =
  14. 14.27 × 50 =
  15. 15.29 × 5 =
  16. 16.78 × 50 =
  17. 17.56 × 5 =
  18. 18.71 × 50 =
  19. 19.97 × 50 =
  20. 20.56 × 5 =
  21. 21.18 × 5 =
  22. 22.98 × 5 =
  23. 23.95 × 5 =
  24. 24.19 × 50 =
  25. 25.52 × 5 =
  26. 26.42 × 50 =
  27. 27.61 × 50 =
  28. 28.48 × 5 =
  29. 29.74 × 5 =
  30. 30.72 × 5 =
  31. 31.75 × 50 =
  32. 32.34 × 50 =
  33. 33.32 × 50 =
  34. 34.20 × 5 =
  35. 35.13 × 50 =
  36. 36.30 × 50 =
  37. 37.37 × 5 =
  38. 38.79 × 5 =
  39. 39.72 × 50 =
  40. 40.55 × 5 =

Answer key

  1. 130
  2. 460
  3. 600
  4. 130
  5. 190
  6. 4750
  7. 240
  8. 445
  9. 4350
  10. 4350
  11. 390
  12. 315
  13. 3850
  14. 1350
  15. 145
  16. 3900
  17. 280
  18. 3550
  19. 4850
  20. 280
  21. 90
  22. 490
  23. 475
  24. 950
  25. 260
  26. 2100
  27. 3050
  28. 240
  29. 370
  30. 360
  31. 3750
  32. 1700
  33. 1600
  34. 100
  35. 650
  36. 1500
  37. 185
  38. 395
  39. 3600
  40. 275

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