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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 263 · 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. 2.56 × 50 =
  3. 3.54 × 5 =
  4. 4.41 × 5 =
  5. 5.20 × 5 =
  6. 6.70 × 5 =
  7. 7.84 × 5 =
  8. 8.54 × 5 =
  9. 9.38 × 5 =
  10. 10.37 × 50 =
  11. 11.47 × 50 =
  12. 12.28 × 5 =
  13. 13.21 × 5 =
  14. 14.78 × 50 =
  15. 15.21 × 5 =
  16. 16.80 × 5 =
  17. 17.54 × 5 =
  18. 18.29 × 5 =
  19. 19.15 × 5 =
  20. 20.40 × 50 =
  21. 21.47 × 5 =
  22. 22.16 × 5 =
  23. 23.98 × 5 =
  24. 24.15 × 50 =
  25. 25.60 × 50 =
  26. 26.98 × 5 =
  27. 27.49 × 50 =
  28. 28.43 × 5 =
  29. 29.54 × 50 =
  30. 30.72 × 5 =
  31. 31.25 × 5 =
  32. 32.63 × 5 =
  33. 33.81 × 50 =
  34. 34.90 × 5 =
  35. 35.31 × 5 =
  36. 36.59 × 5 =
  37. 37.16 × 5 =
  38. 38.67 × 50 =
  39. 39.33 × 50 =
  40. 40.28 × 5 =

Answer key

  1. 2200
  2. 2800
  3. 270
  4. 205
  5. 100
  6. 350
  7. 420
  8. 270
  9. 190
  10. 1850
  11. 2350
  12. 140
  13. 105
  14. 3900
  15. 105
  16. 400
  17. 270
  18. 145
  19. 75
  20. 2000
  21. 235
  22. 80
  23. 490
  24. 750
  25. 3000
  26. 490
  27. 2450
  28. 215
  29. 2700
  30. 360
  31. 125
  32. 315
  33. 4050
  34. 450
  35. 155
  36. 295
  37. 80
  38. 3350
  39. 1650
  40. 140

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