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

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 34 · 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. 1.40 × 50 =
  2. 2.72 × 50 =
  3. 3.24 × 5 =
  4. 4.55 × 50 =
  5. 5.87 × 5 =
  6. 6.27 × 5 =
  7. 7.81 × 5 =
  8. 8.29 × 50 =
  9. 9.28 × 50 =
  10. 10.28 × 50 =
  11. 11.47 × 50 =
  12. 12.97 × 5 =
  13. 13.51 × 5 =
  14. 14.30 × 5 =
  15. 15.89 × 5 =
  16. 16.16 × 50 =
  17. 17.50 × 50 =
  18. 18.19 × 50 =
  19. 19.13 × 50 =
  20. 20.27 × 5 =
  21. 21.31 × 50 =
  22. 22.17 × 50 =
  23. 23.73 × 50 =
  24. 24.23 × 50 =
  25. 25.51 × 50 =
  26. 26.48 × 50 =
  27. 27.88 × 5 =
  28. 28.42 × 50 =
  29. 29.50 × 50 =
  30. 30.57 × 50 =
  31. 31.23 × 50 =
  32. 32.20 × 5 =
  33. 33.97 × 5 =
  34. 34.59 × 5 =
  35. 35.65 × 5 =
  36. 36.45 × 50 =
  37. 37.87 × 5 =
  38. 38.80 × 5 =
  39. 39.24 × 5 =
  40. 40.52 × 50 =

Answer key

  1. 2000
  2. 3600
  3. 120
  4. 2750
  5. 435
  6. 135
  7. 405
  8. 1450
  9. 1400
  10. 1400
  11. 2350
  12. 485
  13. 255
  14. 150
  15. 445
  16. 800
  17. 2500
  18. 950
  19. 650
  20. 135
  21. 1550
  22. 850
  23. 3650
  24. 1150
  25. 2550
  26. 2400
  27. 440
  28. 2100
  29. 2500
  30. 2850
  31. 1150
  32. 100
  33. 485
  34. 295
  35. 325
  36. 2250
  37. 435
  38. 400
  39. 120
  40. 2600

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