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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 38 · 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. 1.19 × 5 =
  2. 2.78 × 5 =
  3. 3.36 × 5 =
  4. 4.56 × 50 =
  5. 5.37 × 5 =
  6. 6.43 × 50 =
  7. 7.27 × 5 =
  8. 8.36 × 5 =
  9. 9.43 × 5 =
  10. 10.91 × 50 =
  11. 11.21 × 50 =
  12. 12.32 × 5 =
  13. 13.37 × 50 =
  14. 14.53 × 50 =
  15. 15.47 × 5 =
  16. 16.22 × 5 =
  17. 17.28 × 5 =
  18. 18.85 × 50 =
  19. 19.90 × 5 =
  20. 20.28 × 50 =
  21. 21.95 × 5 =
  22. 22.57 × 50 =
  23. 23.74 × 50 =
  24. 24.31 × 5 =
  25. 25.44 × 50 =
  26. 26.49 × 5 =
  27. 27.69 × 5 =
  28. 28.40 × 50 =
  29. 29.52 × 50 =
  30. 30.86 × 5 =
  31. 31.33 × 5 =
  32. 32.39 × 5 =
  33. 33.70 × 5 =
  34. 34.93 × 50 =
  35. 35.70 × 5 =
  36. 36.31 × 50 =
  37. 37.45 × 50 =
  38. 38.58 × 50 =
  39. 39.73 × 5 =
  40. 40.15 × 5 =

Answer key

  1. 95
  2. 390
  3. 180
  4. 2800
  5. 185
  6. 2150
  7. 135
  8. 180
  9. 215
  10. 4550
  11. 1050
  12. 160
  13. 1850
  14. 2650
  15. 235
  16. 110
  17. 140
  18. 4250
  19. 450
  20. 1400
  21. 475
  22. 2850
  23. 3700
  24. 155
  25. 2200
  26. 245
  27. 345
  28. 2000
  29. 2600
  30. 430
  31. 165
  32. 195
  33. 350
  34. 4650
  35. 350
  36. 1550
  37. 2250
  38. 2900
  39. 365
  40. 75

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