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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 116 · 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. 1.25 × 5 =
  2. 2.55 × 50 =
  3. 3.82 × 5 =
  4. 4.74 × 50 =
  5. 5.81 × 5 =
  6. 6.84 × 5 =
  7. 7.57 × 5 =
  8. 8.54 × 5 =
  9. 9.63 × 5 =
  10. 10.51 × 5 =
  11. 11.50 × 50 =
  12. 12.82 × 50 =
  13. 13.16 × 5 =
  14. 14.65 × 5 =
  15. 15.25 × 50 =
  16. 16.32 × 5 =
  17. 17.84 × 5 =
  18. 18.44 × 5 =
  19. 19.31 × 50 =
  20. 20.30 × 50 =
  21. 21.35 × 5 =
  22. 22.78 × 5 =
  23. 23.84 × 5 =
  24. 24.91 × 5 =
  25. 25.96 × 5 =
  26. 26.29 × 50 =
  27. 27.39 × 50 =
  28. 28.61 × 5 =
  29. 29.85 × 5 =
  30. 30.45 × 50 =
  31. 31.72 × 50 =
  32. 32.21 × 5 =
  33. 33.91 × 50 =
  34. 34.27 × 50 =
  35. 35.29 × 5 =
  36. 36.30 × 5 =
  37. 37.28 × 50 =
  38. 38.36 × 5 =
  39. 39.50 × 5 =
  40. 40.58 × 50 =

Answer key

  1. 125
  2. 2750
  3. 410
  4. 3700
  5. 405
  6. 420
  7. 285
  8. 270
  9. 315
  10. 255
  11. 2500
  12. 4100
  13. 80
  14. 325
  15. 1250
  16. 160
  17. 420
  18. 220
  19. 1550
  20. 1500
  21. 175
  22. 390
  23. 420
  24. 455
  25. 480
  26. 1450
  27. 1950
  28. 305
  29. 425
  30. 2250
  31. 3600
  32. 105
  33. 4550
  34. 1350
  35. 145
  36. 150
  37. 1400
  38. 180
  39. 250
  40. 2900

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