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Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 217 · 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. 1.17 × 5 =
  2. 2.67 × 50 =
  3. 3.19 × 50 =
  4. 4.24 × 50 =
  5. 5.51 × 50 =
  6. 6.40 × 5 =
  7. 7.25 × 50 =
  8. 8.12 × 5 =
  9. 9.28 × 5 =
  10. 10.95 × 50 =
  11. 11.29 × 5 =
  12. 12.59 × 50 =
  13. 13.55 × 50 =
  14. 14.51 × 5 =
  15. 15.74 × 5 =
  16. 16.39 × 50 =
  17. 17.69 × 50 =
  18. 18.36 × 5 =
  19. 19.25 × 50 =
  20. 20.80 × 50 =
  21. 21.95 × 5 =
  22. 22.56 × 50 =
  23. 23.82 × 50 =
  24. 24.28 × 5 =
  25. 25.47 × 50 =
  26. 26.64 × 5 =
  27. 27.17 × 5 =
  28. 28.31 × 50 =
  29. 29.85 × 5 =
  30. 30.61 × 50 =
  31. 31.90 × 5 =
  32. 32.23 × 50 =
  33. 33.30 × 50 =
  34. 34.97 × 5 =
  35. 35.16 × 5 =
  36. 36.91 × 5 =
  37. 37.45 × 5 =
  38. 38.23 × 5 =
  39. 39.34 × 50 =
  40. 40.42 × 5 =

Answer key

  1. 85
  2. 3350
  3. 950
  4. 1200
  5. 2550
  6. 200
  7. 1250
  8. 60
  9. 140
  10. 4750
  11. 145
  12. 2950
  13. 2750
  14. 255
  15. 370
  16. 1950
  17. 3450
  18. 180
  19. 1250
  20. 4000
  21. 475
  22. 2800
  23. 4100
  24. 140
  25. 2350
  26. 320
  27. 85
  28. 1550
  29. 425
  30. 3050
  31. 450
  32. 1150
  33. 1500
  34. 485
  35. 80
  36. 455
  37. 225
  38. 115
  39. 1700
  40. 210

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