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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 623 · 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. 1.19³ =
  2. 2.67³ =
  3. 3.83³ =
  4. 4.99³ =
  5. 5.12³ =
  6. 6.99³ =
  7. 7.43³ =
  8. 8.42³ =
  9. 9.72³ =
  10. 10.95³ =
  11. 11.71³ =
  12. 12.59³ =
  13. 13.23³ =
  14. 14.54³ =
  15. 15.18³ =
  16. 16.25³ =
  17. 17.94³ =
  18. 18.87³ =
  19. 19.61³ =
  20. 20.59³ =
  21. 21.31³ =
  22. 22.37³ =
  23. 23.85³ =
  24. 24.18³ =
  25. 25.38³ =
  26. 26.23³ =
  27. 27.97³ =
  28. 28.21³ =
  29. 29.74³ =
  30. 30.97³ =
  31. 31.56³ =
  32. 32.68³ =
  33. 33.18³ =
  34. 34.69³ =
  35. 35.79³ =
  36. 36.41³ =
  37. 37.71³ =
  38. 38.31³ =
  39. 39.68³ =
  40. 40.33³ =

Answer key

  1. 6859
  2. 300763
  3. 571787
  4. 970299
  5. 1728
  6. 970299
  7. 79507
  8. 74088
  9. 373248
  10. 857375
  11. 357911
  12. 205379
  13. 12167
  14. 157464
  15. 5832
  16. 15625
  17. 830584
  18. 658503
  19. 226981
  20. 205379
  21. 29791
  22. 50653
  23. 614125
  24. 5832
  25. 54872
  26. 12167
  27. 912673
  28. 9261
  29. 405224
  30. 912673
  31. 175616
  32. 314432
  33. 5832
  34. 328509
  35. 493039
  36. 68921
  37. 357911
  38. 29791
  39. 314432
  40. 35937

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