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Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 320 · 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. 1.22 × 5 =
  2. 2.50 × 5 =
  3. 3.87 × 50 =
  4. 4.45 × 5 =
  5. 5.63 × 5 =
  6. 6.43 × 50 =
  7. 7.23 × 50 =
  8. 8.24 × 50 =
  9. 9.74 × 5 =
  10. 10.81 × 5 =
  11. 11.31 × 50 =
  12. 12.20 × 50 =
  13. 13.91 × 5 =
  14. 14.95 × 50 =
  15. 15.89 × 50 =
  16. 16.93 × 50 =
  17. 17.93 × 5 =
  18. 18.39 × 50 =
  19. 19.45 × 50 =
  20. 20.63 × 50 =
  21. 21.53 × 5 =
  22. 22.36 × 5 =
  23. 23.63 × 5 =
  24. 24.65 × 50 =
  25. 25.25 × 5 =
  26. 26.55 × 50 =
  27. 27.73 × 50 =
  28. 28.30 × 50 =
  29. 29.22 × 5 =
  30. 30.61 × 5 =
  31. 31.35 × 50 =
  32. 32.13 × 50 =
  33. 33.53 × 5 =
  34. 34.57 × 5 =
  35. 35.52 × 50 =
  36. 36.95 × 50 =
  37. 37.84 × 5 =
  38. 38.27 × 5 =
  39. 39.14 × 50 =
  40. 40.13 × 5 =

Answer key

  1. 110
  2. 250
  3. 4350
  4. 225
  5. 315
  6. 2150
  7. 1150
  8. 1200
  9. 370
  10. 405
  11. 1550
  12. 1000
  13. 455
  14. 4750
  15. 4450
  16. 4650
  17. 465
  18. 1950
  19. 2250
  20. 3150
  21. 265
  22. 180
  23. 315
  24. 3250
  25. 125
  26. 2750
  27. 3650
  28. 1500
  29. 110
  30. 305
  31. 1750
  32. 650
  33. 265
  34. 285
  35. 2600
  36. 4750
  37. 420
  38. 135
  39. 700
  40. 65

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