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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 776 · 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. 1.55 × 5 =
  2. 2.84 × 50 =
  3. 3.22 × 50 =
  4. 4.87 × 50 =
  5. 5.75 × 50 =
  6. 6.73 × 5 =
  7. 7.82 × 50 =
  8. 8.82 × 5 =
  9. 9.47 × 50 =
  10. 10.23 × 50 =
  11. 11.18 × 5 =
  12. 12.38 × 5 =
  13. 13.66 × 5 =
  14. 14.44 × 50 =
  15. 15.59 × 50 =
  16. 16.56 × 5 =
  17. 17.33 × 5 =
  18. 18.88 × 5 =
  19. 19.94 × 5 =
  20. 20.55 × 5 =
  21. 21.52 × 5 =
  22. 22.66 × 5 =
  23. 23.33 × 5 =
  24. 24.89 × 50 =
  25. 25.95 × 50 =
  26. 26.96 × 50 =
  27. 27.74 × 50 =
  28. 28.23 × 50 =
  29. 29.87 × 5 =
  30. 30.41 × 5 =
  31. 31.79 × 50 =
  32. 32.24 × 50 =
  33. 33.35 × 50 =
  34. 34.87 × 5 =
  35. 35.48 × 50 =
  36. 36.87 × 50 =
  37. 37.46 × 50 =
  38. 38.16 × 50 =
  39. 39.58 × 50 =
  40. 40.70 × 5 =

Answer key

  1. 275
  2. 4200
  3. 1100
  4. 4350
  5. 3750
  6. 365
  7. 4100
  8. 410
  9. 2350
  10. 1150
  11. 90
  12. 190
  13. 330
  14. 2200
  15. 2950
  16. 280
  17. 165
  18. 440
  19. 470
  20. 275
  21. 260
  22. 330
  23. 165
  24. 4450
  25. 4750
  26. 4800
  27. 3700
  28. 1150
  29. 435
  30. 205
  31. 3950
  32. 1200
  33. 1750
  34. 435
  35. 2400
  36. 4350
  37. 2300
  38. 800
  39. 2900
  40. 350

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