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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 967 · 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. 1.59 × 5 =
  2. 2.47 × 5 =
  3. 3.64 × 50 =
  4. 4.75 × 5 =
  5. 5.43 × 50 =
  6. 6.54 × 5 =
  7. 7.46 × 5 =
  8. 8.34 × 50 =
  9. 9.41 × 50 =
  10. 10.45 × 50 =
  11. 11.89 × 5 =
  12. 12.37 × 5 =
  13. 13.93 × 50 =
  14. 14.36 × 50 =
  15. 15.44 × 5 =
  16. 16.76 × 5 =
  17. 17.31 × 5 =
  18. 18.17 × 5 =
  19. 19.22 × 5 =
  20. 20.44 × 50 =
  21. 21.68 × 5 =
  22. 22.28 × 50 =
  23. 23.36 × 5 =
  24. 24.85 × 5 =
  25. 25.46 × 50 =
  26. 26.95 × 50 =
  27. 27.45 × 5 =
  28. 28.35 × 50 =
  29. 29.48 × 5 =
  30. 30.19 × 50 =
  31. 31.93 × 50 =
  32. 32.35 × 5 =
  33. 33.94 × 5 =
  34. 34.19 × 50 =
  35. 35.68 × 5 =
  36. 36.47 × 50 =
  37. 37.92 × 50 =
  38. 38.26 × 5 =
  39. 39.52 × 5 =
  40. 40.54 × 5 =

Answer key

  1. 295
  2. 235
  3. 3200
  4. 375
  5. 2150
  6. 270
  7. 230
  8. 1700
  9. 2050
  10. 2250
  11. 445
  12. 185
  13. 4650
  14. 1800
  15. 220
  16. 380
  17. 155
  18. 85
  19. 110
  20. 2200
  21. 340
  22. 1400
  23. 180
  24. 425
  25. 2300
  26. 4750
  27. 225
  28. 1750
  29. 240
  30. 950
  31. 4650
  32. 175
  33. 470
  34. 950
  35. 340
  36. 2350
  37. 4600
  38. 130
  39. 260
  40. 270

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