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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 162 · 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. 1.36 × 5 =
  2. 2.44 × 50 =
  3. 3.35 × 50 =
  4. 4.79 × 5 =
  5. 5.24 × 50 =
  6. 6.61 × 50 =
  7. 7.13 × 5 =
  8. 8.51 × 5 =
  9. 9.12 × 5 =
  10. 10.91 × 5 =
  11. 11.31 × 5 =
  12. 12.41 × 5 =
  13. 13.35 × 5 =
  14. 14.53 × 50 =
  15. 15.41 × 5 =
  16. 16.27 × 50 =
  17. 17.41 × 50 =
  18. 18.28 × 50 =
  19. 19.48 × 50 =
  20. 20.57 × 5 =
  21. 21.54 × 50 =
  22. 22.94 × 5 =
  23. 23.43 × 50 =
  24. 24.98 × 50 =
  25. 25.95 × 50 =
  26. 26.32 × 5 =
  27. 27.48 × 5 =
  28. 28.29 × 5 =
  29. 29.57 × 5 =
  30. 30.56 × 50 =
  31. 31.74 × 50 =
  32. 32.95 × 50 =
  33. 33.90 × 50 =
  34. 34.88 × 50 =
  35. 35.75 × 50 =
  36. 36.15 × 5 =
  37. 37.35 × 5 =
  38. 38.34 × 50 =
  39. 39.13 × 50 =
  40. 40.34 × 5 =

Answer key

  1. 180
  2. 2200
  3. 1750
  4. 395
  5. 1200
  6. 3050
  7. 65
  8. 255
  9. 60
  10. 455
  11. 155
  12. 205
  13. 175
  14. 2650
  15. 205
  16. 1350
  17. 2050
  18. 1400
  19. 2400
  20. 285
  21. 2700
  22. 470
  23. 2150
  24. 4900
  25. 4750
  26. 160
  27. 240
  28. 145
  29. 285
  30. 2800
  31. 3700
  32. 4750
  33. 4500
  34. 4400
  35. 3750
  36. 75
  37. 175
  38. 1700
  39. 650
  40. 170

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