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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 87 · 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. 1.48 × 5 =
  2. 2.79 × 50 =
  3. 3.51 × 5 =
  4. 4.58 × 5 =
  5. 5.31 × 50 =
  6. 6.97 × 5 =
  7. 7.64 × 50 =
  8. 8.32 × 5 =
  9. 9.35 × 50 =
  10. 10.28 × 5 =
  11. 11.91 × 50 =
  12. 12.93 × 5 =
  13. 13.12 × 5 =
  14. 14.33 × 50 =
  15. 15.18 × 5 =
  16. 16.58 × 50 =
  17. 17.68 × 5 =
  18. 18.67 × 50 =
  19. 19.55 × 5 =
  20. 20.25 × 5 =
  21. 21.86 × 50 =
  22. 22.91 × 5 =
  23. 23.21 × 50 =
  24. 24.46 × 50 =
  25. 25.83 × 5 =
  26. 26.96 × 5 =
  27. 27.44 × 5 =
  28. 28.86 × 5 =
  29. 29.70 × 5 =
  30. 30.71 × 50 =
  31. 31.72 × 50 =
  32. 32.31 × 50 =
  33. 33.55 × 50 =
  34. 34.29 × 50 =
  35. 35.29 × 50 =
  36. 36.49 × 50 =
  37. 37.83 × 5 =
  38. 38.28 × 5 =
  39. 39.93 × 50 =
  40. 40.29 × 5 =

Answer key

  1. 240
  2. 3950
  3. 255
  4. 290
  5. 1550
  6. 485
  7. 3200
  8. 160
  9. 1750
  10. 140
  11. 4550
  12. 465
  13. 60
  14. 1650
  15. 90
  16. 2900
  17. 340
  18. 3350
  19. 275
  20. 125
  21. 4300
  22. 455
  23. 1050
  24. 2300
  25. 415
  26. 480
  27. 220
  28. 430
  29. 350
  30. 3550
  31. 3600
  32. 1550
  33. 2750
  34. 1450
  35. 1450
  36. 2450
  37. 415
  38. 140
  39. 4650
  40. 145

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