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Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 219 · 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. 1.62 × 5 =
  2. 2.23 × 50 =
  3. 3.26 × 5 =
  4. 4.96 × 5 =
  5. 5.13 × 5 =
  6. 6.68 × 50 =
  7. 7.26 × 50 =
  8. 8.38 × 50 =
  9. 9.44 × 5 =
  10. 10.66 × 5 =
  11. 11.44 × 5 =
  12. 12.22 × 5 =
  13. 13.32 × 50 =
  14. 14.74 × 50 =
  15. 15.92 × 5 =
  16. 16.18 × 5 =
  17. 17.74 × 50 =
  18. 18.48 × 50 =
  19. 19.19 × 50 =
  20. 20.27 × 5 =
  21. 21.22 × 5 =
  22. 22.66 × 50 =
  23. 23.48 × 50 =
  24. 24.21 × 5 =
  25. 25.95 × 5 =
  26. 26.69 × 50 =
  27. 27.84 × 5 =
  28. 28.53 × 5 =
  29. 29.41 × 50 =
  30. 30.91 × 5 =
  31. 31.41 × 50 =
  32. 32.70 × 50 =
  33. 33.52 × 5 =
  34. 34.22 × 5 =
  35. 35.58 × 5 =
  36. 36.72 × 5 =
  37. 37.48 × 5 =
  38. 38.45 × 5 =
  39. 39.70 × 50 =
  40. 40.69 × 5 =

Answer key

  1. 310
  2. 1150
  3. 130
  4. 480
  5. 65
  6. 3400
  7. 1300
  8. 1900
  9. 220
  10. 330
  11. 220
  12. 110
  13. 1600
  14. 3700
  15. 460
  16. 90
  17. 3700
  18. 2400
  19. 950
  20. 135
  21. 110
  22. 3300
  23. 2400
  24. 105
  25. 475
  26. 3450
  27. 420
  28. 265
  29. 2050
  30. 455
  31. 2050
  32. 3500
  33. 260
  34. 110
  35. 290
  36. 360
  37. 240
  38. 225
  39. 3500
  40. 345

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