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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 98 · 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. 1.32 × 50 =
  2. 2.28 × 5 =
  3. 3.98 × 5 =
  4. 4.85 × 50 =
  5. 5.23 × 50 =
  6. 6.33 × 5 =
  7. 7.36 × 5 =
  8. 8.80 × 50 =
  9. 9.68 × 5 =
  10. 10.69 × 5 =
  11. 11.77 × 5 =
  12. 12.33 × 50 =
  13. 13.75 × 5 =
  14. 14.21 × 50 =
  15. 15.97 × 5 =
  16. 16.17 × 50 =
  17. 17.24 × 5 =
  18. 18.15 × 50 =
  19. 19.58 × 50 =
  20. 20.39 × 50 =
  21. 21.45 × 5 =
  22. 22.23 × 50 =
  23. 23.20 × 5 =
  24. 24.56 × 50 =
  25. 25.62 × 5 =
  26. 26.50 × 50 =
  27. 27.72 × 5 =
  28. 28.38 × 5 =
  29. 29.50 × 5 =
  30. 30.78 × 5 =
  31. 31.15 × 5 =
  32. 32.95 × 5 =
  33. 33.32 × 5 =
  34. 34.49 × 50 =
  35. 35.52 × 50 =
  36. 36.76 × 50 =
  37. 37.15 × 5 =
  38. 38.72 × 50 =
  39. 39.28 × 5 =
  40. 40.29 × 50 =

Answer key

  1. 1600
  2. 140
  3. 490
  4. 4250
  5. 1150
  6. 165
  7. 180
  8. 4000
  9. 340
  10. 345
  11. 385
  12. 1650
  13. 375
  14. 1050
  15. 485
  16. 850
  17. 120
  18. 750
  19. 2900
  20. 1950
  21. 225
  22. 1150
  23. 100
  24. 2800
  25. 310
  26. 2500
  27. 360
  28. 190
  29. 250
  30. 390
  31. 75
  32. 475
  33. 160
  34. 2450
  35. 2600
  36. 3800
  37. 75
  38. 3600
  39. 140
  40. 1450

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