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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 529 · 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. 1.19 × 50 =
  2. 2.20 × 5 =
  3. 3.54 × 5 =
  4. 4.82 × 5 =
  5. 5.27 × 5 =
  6. 6.34 × 50 =
  7. 7.81 × 50 =
  8. 8.40 × 5 =
  9. 9.77 × 50 =
  10. 10.64 × 5 =
  11. 11.22 × 5 =
  12. 12.46 × 5 =
  13. 13.15 × 50 =
  14. 14.24 × 5 =
  15. 15.79 × 5 =
  16. 16.31 × 50 =
  17. 17.48 × 5 =
  18. 18.66 × 5 =
  19. 19.52 × 5 =
  20. 20.73 × 50 =
  21. 21.58 × 5 =
  22. 22.59 × 50 =
  23. 23.97 × 5 =
  24. 24.38 × 5 =
  25. 25.44 × 5 =
  26. 26.37 × 5 =
  27. 27.87 × 5 =
  28. 28.13 × 50 =
  29. 29.29 × 5 =
  30. 30.26 × 50 =
  31. 31.23 × 5 =
  32. 32.75 × 5 =
  33. 33.45 × 5 =
  34. 34.88 × 5 =
  35. 35.40 × 5 =
  36. 36.84 × 5 =
  37. 37.68 × 50 =
  38. 38.18 × 50 =
  39. 39.31 × 50 =
  40. 40.91 × 50 =

Answer key

  1. 950
  2. 100
  3. 270
  4. 410
  5. 135
  6. 1700
  7. 4050
  8. 200
  9. 3850
  10. 320
  11. 110
  12. 230
  13. 750
  14. 120
  15. 395
  16. 1550
  17. 240
  18. 330
  19. 260
  20. 3650
  21. 290
  22. 2950
  23. 485
  24. 190
  25. 220
  26. 185
  27. 435
  28. 650
  29. 145
  30. 1300
  31. 115
  32. 375
  33. 225
  34. 440
  35. 200
  36. 420
  37. 3400
  38. 900
  39. 1550
  40. 4550

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