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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 312 · 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. 1.64³ =
  2. 2.11³ =
  3. 3.37³ =
  4. 4.29³ =
  5. 5.99³ =
  6. 6.55³ =
  7. 7.81³ =
  8. 8.53³ =
  9. 9.94³ =
  10. 10.22³ =
  11. 11.28³ =
  12. 12.17³ =
  13. 13.97³ =
  14. 14.17³ =
  15. 15.26³ =
  16. 16.36³ =
  17. 17.24³ =
  18. 18.49³ =
  19. 19.14³ =
  20. 20.99³ =
  21. 21.87³ =
  22. 22.22³ =
  23. 23.89³ =
  24. 24.51³ =
  25. 25.99³ =
  26. 26.93³ =
  27. 27.69³ =
  28. 28.51³ =
  29. 29.17³ =
  30. 30.88³ =
  31. 31.92³ =
  32. 32.51³ =
  33. 33.31³ =
  34. 34.41³ =
  35. 35.81³ =
  36. 36.77³ =
  37. 37.91³ =
  38. 38.96³ =
  39. 39.24³ =
  40. 40.18³ =

Answer key

  1. 262144
  2. 1331
  3. 50653
  4. 24389
  5. 970299
  6. 166375
  7. 531441
  8. 148877
  9. 830584
  10. 10648
  11. 21952
  12. 4913
  13. 912673
  14. 4913
  15. 17576
  16. 46656
  17. 13824
  18. 117649
  19. 2744
  20. 970299
  21. 658503
  22. 10648
  23. 704969
  24. 132651
  25. 970299
  26. 804357
  27. 328509
  28. 132651
  29. 4913
  30. 681472
  31. 778688
  32. 132651
  33. 29791
  34. 68921
  35. 531441
  36. 456533
  37. 753571
  38. 884736
  39. 13824
  40. 5832

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