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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 748 · 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. 1.47³ =
  2. 2.56³ =
  3. 3.56³ =
  4. 4.91³ =
  5. 5.45³ =
  6. 6.83³ =
  7. 7.21³ =
  8. 8.91³ =
  9. 9.64³ =
  10. 10.21³ =
  11. 11.97³ =
  12. 12.32³ =
  13. 13.61³ =
  14. 14.92³ =
  15. 15.98³ =
  16. 16.17³ =
  17. 17.36³ =
  18. 18.12³ =
  19. 19.82³ =
  20. 20.68³ =
  21. 21.14³ =
  22. 22.88³ =
  23. 23.58³ =
  24. 24.37³ =
  25. 25.89³ =
  26. 26.64³ =
  27. 27.59³ =
  28. 28.84³ =
  29. 29.91³ =
  30. 30.98³ =
  31. 31.32³ =
  32. 32.53³ =
  33. 33.55³ =
  34. 34.81³ =
  35. 35.38³ =
  36. 36.92³ =
  37. 37.36³ =
  38. 38.31³ =
  39. 39.92³ =
  40. 40.33³ =

Answer key

  1. 103823
  2. 175616
  3. 175616
  4. 753571
  5. 91125
  6. 571787
  7. 9261
  8. 753571
  9. 262144
  10. 9261
  11. 912673
  12. 32768
  13. 226981
  14. 778688
  15. 941192
  16. 4913
  17. 46656
  18. 1728
  19. 551368
  20. 314432
  21. 2744
  22. 681472
  23. 195112
  24. 50653
  25. 704969
  26. 262144
  27. 205379
  28. 592704
  29. 753571
  30. 941192
  31. 32768
  32. 148877
  33. 166375
  34. 531441
  35. 54872
  36. 778688
  37. 46656
  38. 29791
  39. 778688
  40. 35937

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