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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 78 · 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. 1.35 × 5 =
  2. 2.73 × 50 =
  3. 3.60 × 5 =
  4. 4.52 × 50 =
  5. 5.45 × 50 =
  6. 6.94 × 5 =
  7. 7.88 × 5 =
  8. 8.93 × 50 =
  9. 9.28 × 50 =
  10. 10.33 × 50 =
  11. 11.57 × 5 =
  12. 12.98 × 50 =
  13. 13.87 × 50 =
  14. 14.50 × 50 =
  15. 15.47 × 5 =
  16. 16.56 × 5 =
  17. 17.38 × 5 =
  18. 18.85 × 5 =
  19. 19.65 × 5 =
  20. 20.16 × 50 =
  21. 21.90 × 50 =
  22. 22.26 × 50 =
  23. 23.66 × 5 =
  24. 24.74 × 5 =
  25. 25.42 × 50 =
  26. 26.63 × 5 =
  27. 27.83 × 50 =
  28. 28.22 × 5 =
  29. 29.70 × 50 =
  30. 30.39 × 5 =
  31. 31.54 × 50 =
  32. 32.53 × 5 =
  33. 33.23 × 50 =
  34. 34.12 × 50 =
  35. 35.91 × 5 =
  36. 36.86 × 5 =
  37. 37.64 × 50 =
  38. 38.34 × 5 =
  39. 39.92 × 50 =
  40. 40.73 × 5 =

Answer key

  1. 175
  2. 3650
  3. 300
  4. 2600
  5. 2250
  6. 470
  7. 440
  8. 4650
  9. 1400
  10. 1650
  11. 285
  12. 4900
  13. 4350
  14. 2500
  15. 235
  16. 280
  17. 190
  18. 425
  19. 325
  20. 800
  21. 4500
  22. 1300
  23. 330
  24. 370
  25. 2100
  26. 315
  27. 4150
  28. 110
  29. 3500
  30. 195
  31. 2700
  32. 265
  33. 1150
  34. 600
  35. 455
  36. 430
  37. 3200
  38. 170
  39. 4600
  40. 365

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