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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 93 · 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. 1.34 × 5 =
  2. 2.56 × 5 =
  3. 3.33 × 5 =
  4. 4.63 × 50 =
  5. 5.38 × 5 =
  6. 6.24 × 5 =
  7. 7.85 × 50 =
  8. 8.78 × 50 =
  9. 9.62 × 5 =
  10. 10.28 × 50 =
  11. 11.67 × 50 =
  12. 12.17 × 5 =
  13. 13.21 × 50 =
  14. 14.23 × 5 =
  15. 15.42 × 5 =
  16. 16.16 × 50 =
  17. 17.30 × 50 =
  18. 18.30 × 50 =
  19. 19.39 × 5 =
  20. 20.34 × 50 =
  21. 21.66 × 5 =
  22. 22.28 × 50 =
  23. 23.63 × 50 =
  24. 24.15 × 5 =
  25. 25.37 × 5 =
  26. 26.43 × 5 =
  27. 27.96 × 50 =
  28. 28.28 × 5 =
  29. 29.82 × 5 =
  30. 30.28 × 5 =
  31. 31.49 × 5 =
  32. 32.74 × 5 =
  33. 33.52 × 5 =
  34. 34.58 × 5 =
  35. 35.69 × 5 =
  36. 36.75 × 50 =
  37. 37.54 × 5 =
  38. 38.94 × 5 =
  39. 39.39 × 50 =
  40. 40.34 × 5 =

Answer key

  1. 170
  2. 280
  3. 165
  4. 3150
  5. 190
  6. 120
  7. 4250
  8. 3900
  9. 310
  10. 1400
  11. 3350
  12. 85
  13. 1050
  14. 115
  15. 210
  16. 800
  17. 1500
  18. 1500
  19. 195
  20. 1700
  21. 330
  22. 1400
  23. 3150
  24. 75
  25. 185
  26. 215
  27. 4800
  28. 140
  29. 410
  30. 140
  31. 245
  32. 370
  33. 260
  34. 290
  35. 345
  36. 3750
  37. 270
  38. 470
  39. 1950
  40. 170

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