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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 95 · 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. 1.44 × 50 =
  2. 2.23 × 5 =
  3. 3.18 × 5 =
  4. 4.29 × 5 =
  5. 5.44 × 5 =
  6. 6.29 × 5 =
  7. 7.91 × 5 =
  8. 8.45 × 5 =
  9. 9.13 × 50 =
  10. 10.63 × 5 =
  11. 11.70 × 50 =
  12. 12.96 × 50 =
  13. 13.88 × 5 =
  14. 14.84 × 50 =
  15. 15.96 × 50 =
  16. 16.78 × 50 =
  17. 17.72 × 50 =
  18. 18.13 × 5 =
  19. 19.15 × 5 =
  20. 20.90 × 50 =
  21. 21.82 × 5 =
  22. 22.19 × 50 =
  23. 23.82 × 5 =
  24. 24.42 × 5 =
  25. 25.86 × 50 =
  26. 26.91 × 50 =
  27. 27.49 × 50 =
  28. 28.47 × 5 =
  29. 29.96 × 5 =
  30. 30.12 × 50 =
  31. 31.32 × 5 =
  32. 32.94 × 50 =
  33. 33.73 × 50 =
  34. 34.43 × 5 =
  35. 35.41 × 50 =
  36. 36.87 × 5 =
  37. 37.82 × 50 =
  38. 38.70 × 50 =
  39. 39.41 × 5 =
  40. 40.39 × 5 =

Answer key

  1. 2200
  2. 115
  3. 90
  4. 145
  5. 220
  6. 145
  7. 455
  8. 225
  9. 650
  10. 315
  11. 3500
  12. 4800
  13. 440
  14. 4200
  15. 4800
  16. 3900
  17. 3600
  18. 65
  19. 75
  20. 4500
  21. 410
  22. 950
  23. 410
  24. 210
  25. 4300
  26. 4550
  27. 2450
  28. 235
  29. 480
  30. 600
  31. 160
  32. 4700
  33. 3650
  34. 215
  35. 2050
  36. 435
  37. 4100
  38. 3500
  39. 205
  40. 195

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