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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 736 · 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. 1.91 × 50 =
  2. 2.88 × 50 =
  3. 3.35 × 5 =
  4. 4.68 × 5 =
  5. 5.65 × 5 =
  6. 6.20 × 5 =
  7. 7.73 × 50 =
  8. 8.51 × 5 =
  9. 9.86 × 50 =
  10. 10.39 × 50 =
  11. 11.32 × 5 =
  12. 12.96 × 5 =
  13. 13.93 × 50 =
  14. 14.24 × 50 =
  15. 15.23 × 50 =
  16. 16.17 × 5 =
  17. 17.87 × 50 =
  18. 18.28 × 5 =
  19. 19.95 × 50 =
  20. 20.97 × 50 =
  21. 21.62 × 50 =
  22. 22.94 × 5 =
  23. 23.39 × 50 =
  24. 24.91 × 5 =
  25. 25.65 × 50 =
  26. 26.96 × 5 =
  27. 27.30 × 50 =
  28. 28.89 × 50 =
  29. 29.28 × 5 =
  30. 30.61 × 50 =
  31. 31.69 × 5 =
  32. 32.16 × 50 =
  33. 33.29 × 5 =
  34. 34.57 × 50 =
  35. 35.46 × 50 =
  36. 36.14 × 5 =
  37. 37.81 × 50 =
  38. 38.55 × 5 =
  39. 39.71 × 50 =
  40. 40.62 × 5 =

Answer key

  1. 4550
  2. 4400
  3. 175
  4. 340
  5. 325
  6. 100
  7. 3650
  8. 255
  9. 4300
  10. 1950
  11. 160
  12. 480
  13. 4650
  14. 1200
  15. 1150
  16. 85
  17. 4350
  18. 140
  19. 4750
  20. 4850
  21. 3100
  22. 470
  23. 1950
  24. 455
  25. 3250
  26. 480
  27. 1500
  28. 4450
  29. 140
  30. 3050
  31. 345
  32. 800
  33. 145
  34. 2850
  35. 2300
  36. 70
  37. 4050
  38. 275
  39. 3550
  40. 310

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