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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 525 · 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. 1.74³ =
  2. 2.56³ =
  3. 3.21³ =
  4. 4.31³ =
  5. 5.61³ =
  6. 6.21³ =
  7. 7.25³ =
  8. 8.37³ =
  9. 9.75³ =
  10. 10.95³ =
  11. 11.52³ =
  12. 12.56³ =
  13. 13.41³ =
  14. 14.94³ =
  15. 15.66³ =
  16. 16.62³ =
  17. 17.21³ =
  18. 18.13³ =
  19. 19.94³ =
  20. 20.88³ =
  21. 21.67³ =
  22. 22.64³ =
  23. 23.57³ =
  24. 24.14³ =
  25. 25.21³ =
  26. 26.43³ =
  27. 27.61³ =
  28. 28.92³ =
  29. 29.78³ =
  30. 30.79³ =
  31. 31.13³ =
  32. 32.17³ =
  33. 33.32³ =
  34. 34.33³ =
  35. 35.23³ =
  36. 36.75³ =
  37. 37.26³ =
  38. 38.71³ =
  39. 39.14³ =
  40. 40.75³ =

Answer key

  1. 405224
  2. 175616
  3. 9261
  4. 29791
  5. 226981
  6. 9261
  7. 15625
  8. 50653
  9. 421875
  10. 857375
  11. 140608
  12. 175616
  13. 68921
  14. 830584
  15. 287496
  16. 238328
  17. 9261
  18. 2197
  19. 830584
  20. 681472
  21. 300763
  22. 262144
  23. 185193
  24. 2744
  25. 9261
  26. 79507
  27. 226981
  28. 778688
  29. 474552
  30. 493039
  31. 2197
  32. 4913
  33. 32768
  34. 35937
  35. 12167
  36. 421875
  37. 17576
  38. 357911
  39. 2744
  40. 421875

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