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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 520 · 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. 1.32³ =
  2. 2.34³ =
  3. 3.91³ =
  4. 4.97³ =
  5. 5.45³ =
  6. 6.52³ =
  7. 7.39³ =
  8. 8.31³ =
  9. 9.25³ =
  10. 10.17³ =
  11. 11.87³ =
  12. 12.56³ =
  13. 13.16³ =
  14. 14.85³ =
  15. 15.93³ =
  16. 16.56³ =
  17. 17.37³ =
  18. 18.26³ =
  19. 19.86³ =
  20. 20.96³ =
  21. 21.87³ =
  22. 22.99³ =
  23. 23.88³ =
  24. 24.91³ =
  25. 25.79³ =
  26. 26.13³ =
  27. 27.51³ =
  28. 28.75³ =
  29. 29.31³ =
  30. 30.32³ =
  31. 31.96³ =
  32. 32.58³ =
  33. 33.22³ =
  34. 34.56³ =
  35. 35.18³ =
  36. 36.84³ =
  37. 37.78³ =
  38. 38.95³ =
  39. 39.21³ =
  40. 40.21³ =

Answer key

  1. 32768
  2. 39304
  3. 753571
  4. 912673
  5. 91125
  6. 140608
  7. 59319
  8. 29791
  9. 15625
  10. 4913
  11. 658503
  12. 175616
  13. 4096
  14. 614125
  15. 804357
  16. 175616
  17. 50653
  18. 17576
  19. 636056
  20. 884736
  21. 658503
  22. 970299
  23. 681472
  24. 753571
  25. 493039
  26. 2197
  27. 132651
  28. 421875
  29. 29791
  30. 32768
  31. 884736
  32. 195112
  33. 10648
  34. 175616
  35. 5832
  36. 592704
  37. 474552
  38. 857375
  39. 9261
  40. 9261

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