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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 464 · 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. 1.50 × 5 =
  2. 2.44 × 5 =
  3. 3.13 × 5 =
  4. 4.24 × 5 =
  5. 5.77 × 5 =
  6. 6.35 × 5 =
  7. 7.27 × 5 =
  8. 8.44 × 50 =
  9. 9.70 × 5 =
  10. 10.70 × 5 =
  11. 11.46 × 50 =
  12. 12.17 × 5 =
  13. 13.56 × 50 =
  14. 14.14 × 50 =
  15. 15.94 × 5 =
  16. 16.71 × 5 =
  17. 17.74 × 50 =
  18. 18.78 × 5 =
  19. 19.52 × 5 =
  20. 20.61 × 50 =
  21. 21.74 × 5 =
  22. 22.52 × 5 =
  23. 23.47 × 50 =
  24. 24.42 × 5 =
  25. 25.13 × 5 =
  26. 26.54 × 5 =
  27. 27.57 × 5 =
  28. 28.12 × 5 =
  29. 29.63 × 5 =
  30. 30.60 × 50 =
  31. 31.38 × 5 =
  32. 32.66 × 50 =
  33. 33.12 × 5 =
  34. 34.68 × 5 =
  35. 35.32 × 5 =
  36. 36.18 × 50 =
  37. 37.64 × 5 =
  38. 38.58 × 50 =
  39. 39.96 × 5 =
  40. 40.73 × 50 =

Answer key

  1. 250
  2. 220
  3. 65
  4. 120
  5. 385
  6. 175
  7. 135
  8. 2200
  9. 350
  10. 350
  11. 2300
  12. 85
  13. 2800
  14. 700
  15. 470
  16. 355
  17. 3700
  18. 390
  19. 260
  20. 3050
  21. 370
  22. 260
  23. 2350
  24. 210
  25. 65
  26. 270
  27. 285
  28. 60
  29. 315
  30. 3000
  31. 190
  32. 3300
  33. 60
  34. 340
  35. 160
  36. 900
  37. 320
  38. 2900
  39. 480
  40. 3650

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