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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 134 · 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. 1.35³ =
  2. 2.18³ =
  3. 3.37³ =
  4. 4.88³ =
  5. 5.63³ =
  6. 6.51³ =
  7. 7.65³ =
  8. 8.15³ =
  9. 9.67³ =
  10. 10.14³ =
  11. 11.91³ =
  12. 12.22³ =
  13. 13.11³ =
  14. 14.11³ =
  15. 15.71³ =
  16. 16.66³ =
  17. 17.18³ =
  18. 18.88³ =
  19. 19.28³ =
  20. 20.44³ =
  21. 21.12³ =
  22. 22.78³ =
  23. 23.79³ =
  24. 24.48³ =
  25. 25.71³ =
  26. 26.99³ =
  27. 27.79³ =
  28. 28.51³ =
  29. 29.89³ =
  30. 30.19³ =
  31. 31.55³ =
  32. 32.14³ =
  33. 33.91³ =
  34. 34.91³ =
  35. 35.31³ =
  36. 36.86³ =
  37. 37.38³ =
  38. 38.44³ =
  39. 39.83³ =
  40. 40.83³ =

Answer key

  1. 42875
  2. 5832
  3. 50653
  4. 681472
  5. 250047
  6. 132651
  7. 274625
  8. 3375
  9. 300763
  10. 2744
  11. 753571
  12. 10648
  13. 1331
  14. 1331
  15. 357911
  16. 287496
  17. 5832
  18. 681472
  19. 21952
  20. 85184
  21. 1728
  22. 474552
  23. 493039
  24. 110592
  25. 357911
  26. 970299
  27. 493039
  28. 132651
  29. 704969
  30. 6859
  31. 166375
  32. 2744
  33. 753571
  34. 753571
  35. 29791
  36. 636056
  37. 54872
  38. 85184
  39. 571787
  40. 571787

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