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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 477 · 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. 1.41 × 5 =
  2. 2.17 × 50 =
  3. 3.92 × 5 =
  4. 4.97 × 50 =
  5. 5.88 × 50 =
  6. 6.37 × 5 =
  7. 7.82 × 5 =
  8. 8.68 × 50 =
  9. 9.98 × 5 =
  10. 10.36 × 50 =
  11. 11.16 × 50 =
  12. 12.98 × 50 =
  13. 13.21 × 5 =
  14. 14.52 × 5 =
  15. 15.27 × 50 =
  16. 16.36 × 5 =
  17. 17.83 × 5 =
  18. 18.56 × 50 =
  19. 19.46 × 50 =
  20. 20.38 × 5 =
  21. 21.48 × 50 =
  22. 22.88 × 5 =
  23. 23.24 × 5 =
  24. 24.65 × 50 =
  25. 25.27 × 50 =
  26. 26.28 × 5 =
  27. 27.22 × 50 =
  28. 28.45 × 5 =
  29. 29.52 × 50 =
  30. 30.13 × 5 =
  31. 31.91 × 5 =
  32. 32.19 × 5 =
  33. 33.93 × 50 =
  34. 34.43 × 5 =
  35. 35.56 × 5 =
  36. 36.33 × 5 =
  37. 37.26 × 5 =
  38. 38.19 × 5 =
  39. 39.52 × 50 =
  40. 40.15 × 50 =

Answer key

  1. 205
  2. 850
  3. 460
  4. 4850
  5. 4400
  6. 185
  7. 410
  8. 3400
  9. 490
  10. 1800
  11. 800
  12. 4900
  13. 105
  14. 260
  15. 1350
  16. 180
  17. 415
  18. 2800
  19. 2300
  20. 190
  21. 2400
  22. 440
  23. 120
  24. 3250
  25. 1350
  26. 140
  27. 1100
  28. 225
  29. 2600
  30. 65
  31. 455
  32. 95
  33. 4650
  34. 215
  35. 280
  36. 165
  37. 130
  38. 95
  39. 2600
  40. 750

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