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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 869 · 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. 1.32 × 50 =
  2. 2.85 × 50 =
  3. 3.17 × 5 =
  4. 4.15 × 5 =
  5. 5.43 × 5 =
  6. 6.63 × 50 =
  7. 7.12 × 50 =
  8. 8.14 × 5 =
  9. 9.45 × 50 =
  10. 10.95 × 5 =
  11. 11.31 × 5 =
  12. 12.56 × 50 =
  13. 13.30 × 5 =
  14. 14.34 × 50 =
  15. 15.34 × 50 =
  16. 16.29 × 50 =
  17. 17.60 × 5 =
  18. 18.30 × 5 =
  19. 19.16 × 5 =
  20. 20.93 × 50 =
  21. 21.41 × 5 =
  22. 22.24 × 50 =
  23. 23.87 × 5 =
  24. 24.27 × 5 =
  25. 25.42 × 50 =
  26. 26.63 × 5 =
  27. 27.58 × 5 =
  28. 28.97 × 5 =
  29. 29.17 × 5 =
  30. 30.79 × 50 =
  31. 31.51 × 50 =
  32. 32.25 × 5 =
  33. 33.54 × 5 =
  34. 34.76 × 5 =
  35. 35.14 × 50 =
  36. 36.75 × 5 =
  37. 37.59 × 5 =
  38. 38.37 × 5 =
  39. 39.64 × 5 =
  40. 40.31 × 5 =

Answer key

  1. 1600
  2. 4250
  3. 85
  4. 75
  5. 215
  6. 3150
  7. 600
  8. 70
  9. 2250
  10. 475
  11. 155
  12. 2800
  13. 150
  14. 1700
  15. 1700
  16. 1450
  17. 300
  18. 150
  19. 80
  20. 4650
  21. 205
  22. 1200
  23. 435
  24. 135
  25. 2100
  26. 315
  27. 290
  28. 485
  29. 85
  30. 3950
  31. 2550
  32. 125
  33. 270
  34. 380
  35. 700
  36. 375
  37. 295
  38. 185
  39. 320
  40. 155

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