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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 891 · 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. 1.86³ =
  2. 2.22³ =
  3. 3.66³ =
  4. 4.27³ =
  5. 5.64³ =
  6. 6.97³ =
  7. 7.16³ =
  8. 8.48³ =
  9. 9.11³ =
  10. 10.14³ =
  11. 11.57³ =
  12. 12.41³ =
  13. 13.58³ =
  14. 14.32³ =
  15. 15.96³ =
  16. 16.31³ =
  17. 17.43³ =
  18. 18.78³ =
  19. 19.29³ =
  20. 20.37³ =
  21. 21.45³ =
  22. 22.61³ =
  23. 23.28³ =
  24. 24.77³ =
  25. 25.23³ =
  26. 26.11³ =
  27. 27.18³ =
  28. 28.53³ =
  29. 29.72³ =
  30. 30.98³ =
  31. 31.81³ =
  32. 32.98³ =
  33. 33.84³ =
  34. 34.14³ =
  35. 35.46³ =
  36. 36.11³ =
  37. 37.57³ =
  38. 38.32³ =
  39. 39.67³ =
  40. 40.38³ =

Answer key

  1. 636056
  2. 10648
  3. 287496
  4. 19683
  5. 262144
  6. 912673
  7. 4096
  8. 110592
  9. 1331
  10. 2744
  11. 185193
  12. 68921
  13. 195112
  14. 32768
  15. 884736
  16. 29791
  17. 79507
  18. 474552
  19. 24389
  20. 50653
  21. 91125
  22. 226981
  23. 21952
  24. 456533
  25. 12167
  26. 1331
  27. 5832
  28. 148877
  29. 373248
  30. 941192
  31. 531441
  32. 941192
  33. 592704
  34. 2744
  35. 97336
  36. 1331
  37. 185193
  38. 32768
  39. 300763
  40. 54872

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