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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 186 · 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. 1.57 × 50 =
  2. 2.94 × 5 =
  3. 3.96 × 50 =
  4. 4.24 × 50 =
  5. 5.67 × 50 =
  6. 6.31 × 5 =
  7. 7.45 × 50 =
  8. 8.77 × 5 =
  9. 9.92 × 50 =
  10. 10.52 × 5 =
  11. 11.67 × 50 =
  12. 12.95 × 5 =
  13. 13.36 × 5 =
  14. 14.26 × 5 =
  15. 15.44 × 5 =
  16. 16.71 × 5 =
  17. 17.25 × 50 =
  18. 18.16 × 50 =
  19. 19.22 × 5 =
  20. 20.97 × 50 =
  21. 21.50 × 50 =
  22. 22.67 × 50 =
  23. 23.33 × 50 =
  24. 24.12 × 5 =
  25. 25.97 × 50 =
  26. 26.31 × 50 =
  27. 27.33 × 50 =
  28. 28.22 × 5 =
  29. 29.35 × 5 =
  30. 30.27 × 5 =
  31. 31.92 × 5 =
  32. 32.92 × 5 =
  33. 33.81 × 5 =
  34. 34.79 × 50 =
  35. 35.56 × 50 =
  36. 36.18 × 50 =
  37. 37.93 × 5 =
  38. 38.54 × 5 =
  39. 39.31 × 50 =
  40. 40.29 × 50 =

Answer key

  1. 2850
  2. 470
  3. 4800
  4. 1200
  5. 3350
  6. 155
  7. 2250
  8. 385
  9. 4600
  10. 260
  11. 3350
  12. 475
  13. 180
  14. 130
  15. 220
  16. 355
  17. 1250
  18. 800
  19. 110
  20. 4850
  21. 2500
  22. 3350
  23. 1650
  24. 60
  25. 4850
  26. 1550
  27. 1650
  28. 110
  29. 175
  30. 135
  31. 460
  32. 460
  33. 405
  34. 3950
  35. 2800
  36. 900
  37. 465
  38. 270
  39. 1550
  40. 1450

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