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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 933 · 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. 1.61³ =
  2. 2.21³ =
  3. 3.19³ =
  4. 4.97³ =
  5. 5.24³ =
  6. 6.19³ =
  7. 7.48³ =
  8. 8.63³ =
  9. 9.88³ =
  10. 10.68³ =
  11. 11.52³ =
  12. 12.79³ =
  13. 13.47³ =
  14. 14.34³ =
  15. 15.79³ =
  16. 16.16³ =
  17. 17.48³ =
  18. 18.33³ =
  19. 19.41³ =
  20. 20.53³ =
  21. 21.78³ =
  22. 22.14³ =
  23. 23.18³ =
  24. 24.14³ =
  25. 25.87³ =
  26. 26.24³ =
  27. 27.64³ =
  28. 28.32³ =
  29. 29.61³ =
  30. 30.99³ =
  31. 31.88³ =
  32. 32.43³ =
  33. 33.42³ =
  34. 34.67³ =
  35. 35.62³ =
  36. 36.41³ =
  37. 37.56³ =
  38. 38.27³ =
  39. 39.69³ =
  40. 40.64³ =

Answer key

  1. 226981
  2. 9261
  3. 6859
  4. 912673
  5. 13824
  6. 6859
  7. 110592
  8. 250047
  9. 681472
  10. 314432
  11. 140608
  12. 493039
  13. 103823
  14. 39304
  15. 493039
  16. 4096
  17. 110592
  18. 35937
  19. 68921
  20. 148877
  21. 474552
  22. 2744
  23. 5832
  24. 2744
  25. 658503
  26. 13824
  27. 262144
  28. 32768
  29. 226981
  30. 970299
  31. 681472
  32. 79507
  33. 74088
  34. 300763
  35. 238328
  36. 68921
  37. 175616
  38. 19683
  39. 328509
  40. 262144

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