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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 535 · 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. 1.20 × 50 =
  2. 2.34 × 5 =
  3. 3.53 × 50 =
  4. 4.86 × 50 =
  5. 5.93 × 50 =
  6. 6.86 × 5 =
  7. 7.62 × 50 =
  8. 8.80 × 50 =
  9. 9.43 × 50 =
  10. 10.69 × 5 =
  11. 11.41 × 5 =
  12. 12.92 × 5 =
  13. 13.81 × 50 =
  14. 14.26 × 50 =
  15. 15.40 × 5 =
  16. 16.17 × 50 =
  17. 17.52 × 50 =
  18. 18.21 × 5 =
  19. 19.17 × 5 =
  20. 20.60 × 5 =
  21. 21.93 × 50 =
  22. 22.18 × 50 =
  23. 23.68 × 50 =
  24. 24.91 × 50 =
  25. 25.14 × 50 =
  26. 26.63 × 5 =
  27. 27.63 × 5 =
  28. 28.46 × 50 =
  29. 29.24 × 5 =
  30. 30.25 × 5 =
  31. 31.29 × 5 =
  32. 32.24 × 50 =
  33. 33.39 × 5 =
  34. 34.96 × 5 =
  35. 35.22 × 50 =
  36. 36.90 × 50 =
  37. 37.32 × 50 =
  38. 38.54 × 5 =
  39. 39.30 × 50 =
  40. 40.46 × 5 =

Answer key

  1. 1000
  2. 170
  3. 2650
  4. 4300
  5. 4650
  6. 430
  7. 3100
  8. 4000
  9. 2150
  10. 345
  11. 205
  12. 460
  13. 4050
  14. 1300
  15. 200
  16. 850
  17. 2600
  18. 105
  19. 85
  20. 300
  21. 4650
  22. 900
  23. 3400
  24. 4550
  25. 700
  26. 315
  27. 315
  28. 2300
  29. 120
  30. 125
  31. 145
  32. 1200
  33. 195
  34. 480
  35. 1100
  36. 4500
  37. 1600
  38. 270
  39. 1500
  40. 230

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