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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 927 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.15³ =
  2. 2.62³ =
  3. 3.52³ =
  4. 4.39³ =
  5. 5.96³ =
  6. 6.95³ =
  7. 7.29³ =
  8. 8.82³ =
  9. 9.48³ =
  10. 10.98³ =
  11. 11.88³ =
  12. 12.68³ =
  13. 13.44³ =
  14. 14.94³ =
  15. 15.87³ =
  16. 16.77³ =
  17. 17.32³ =
  18. 18.22³ =
  19. 19.36³ =
  20. 20.56³ =
  21. 21.68³ =
  22. 22.25³ =
  23. 23.77³ =
  24. 24.47³ =
  25. 25.16³ =
  26. 26.46³ =
  27. 27.15³ =
  28. 28.26³ =
  29. 29.54³ =
  30. 30.45³ =
  31. 31.86³ =
  32. 32.77³ =
  33. 33.67³ =
  34. 34.95³ =
  35. 35.88³ =
  36. 36.51³ =
  37. 37.36³ =
  38. 38.31³ =
  39. 39.18³ =
  40. 40.31³ =

Answer key

  1. 3375
  2. 238328
  3. 140608
  4. 59319
  5. 884736
  6. 857375
  7. 24389
  8. 551368
  9. 110592
  10. 941192
  11. 681472
  12. 314432
  13. 85184
  14. 830584
  15. 658503
  16. 456533
  17. 32768
  18. 10648
  19. 46656
  20. 175616
  21. 314432
  22. 15625
  23. 456533
  24. 103823
  25. 4096
  26. 97336
  27. 3375
  28. 17576
  29. 157464
  30. 91125
  31. 636056
  32. 456533
  33. 300763
  34. 857375
  35. 681472
  36. 132651
  37. 46656
  38. 29791
  39. 5832
  40. 29791

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