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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 777 · 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 × 5 =
  2. 2.91 × 5 =
  3. 3.63 × 50 =
  4. 4.24 × 5 =
  5. 5.97 × 5 =
  6. 6.40 × 5 =
  7. 7.34 × 5 =
  8. 8.47 × 5 =
  9. 9.32 × 50 =
  10. 10.28 × 50 =
  11. 11.35 × 5 =
  12. 12.79 × 5 =
  13. 13.27 × 50 =
  14. 14.66 × 5 =
  15. 15.44 × 5 =
  16. 16.89 × 5 =
  17. 17.42 × 5 =
  18. 18.50 × 50 =
  19. 19.25 × 5 =
  20. 20.15 × 50 =
  21. 21.14 × 5 =
  22. 22.54 × 50 =
  23. 23.43 × 5 =
  24. 24.91 × 50 =
  25. 25.30 × 50 =
  26. 26.47 × 50 =
  27. 27.14 × 50 =
  28. 28.15 × 50 =
  29. 29.45 × 5 =
  30. 30.72 × 5 =
  31. 31.73 × 5 =
  32. 32.58 × 50 =
  33. 33.28 × 5 =
  34. 34.57 × 50 =
  35. 35.59 × 5 =
  36. 36.55 × 50 =
  37. 37.16 × 5 =
  38. 38.17 × 50 =
  39. 39.30 × 50 =
  40. 40.84 × 5 =

Answer key

  1. 220
  2. 455
  3. 3150
  4. 120
  5. 485
  6. 200
  7. 170
  8. 235
  9. 1600
  10. 1400
  11. 175
  12. 395
  13. 1350
  14. 330
  15. 220
  16. 445
  17. 210
  18. 2500
  19. 125
  20. 750
  21. 70
  22. 2700
  23. 215
  24. 4550
  25. 1500
  26. 2350
  27. 700
  28. 750
  29. 225
  30. 360
  31. 365
  32. 2900
  33. 140
  34. 2850
  35. 295
  36. 2750
  37. 80
  38. 850
  39. 1500
  40. 420

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