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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 526 · 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. 1.26³ =
  2. 2.21³ =
  3. 3.69³ =
  4. 4.31³ =
  5. 5.51³ =
  6. 6.21³ =
  7. 7.57³ =
  8. 8.74³ =
  9. 9.28³ =
  10. 10.86³ =
  11. 11.13³ =
  12. 12.64³ =
  13. 13.98³ =
  14. 14.41³ =
  15. 15.19³ =
  16. 16.61³ =
  17. 17.42³ =
  18. 18.26³ =
  19. 19.41³ =
  20. 20.49³ =
  21. 21.61³ =
  22. 22.51³ =
  23. 23.64³ =
  24. 24.87³ =
  25. 25.46³ =
  26. 26.21³ =
  27. 27.51³ =
  28. 28.18³ =
  29. 29.21³ =
  30. 30.48³ =
  31. 31.59³ =
  32. 32.16³ =
  33. 33.11³ =
  34. 34.47³ =
  35. 35.56³ =
  36. 36.11³ =
  37. 37.25³ =
  38. 38.35³ =
  39. 39.77³ =
  40. 40.26³ =

Answer key

  1. 17576
  2. 9261
  3. 328509
  4. 29791
  5. 132651
  6. 9261
  7. 185193
  8. 405224
  9. 21952
  10. 636056
  11. 2197
  12. 262144
  13. 941192
  14. 68921
  15. 6859
  16. 226981
  17. 74088
  18. 17576
  19. 68921
  20. 117649
  21. 226981
  22. 132651
  23. 262144
  24. 658503
  25. 97336
  26. 9261
  27. 132651
  28. 5832
  29. 9261
  30. 110592
  31. 205379
  32. 4096
  33. 1331
  34. 103823
  35. 175616
  36. 1331
  37. 15625
  38. 42875
  39. 456533
  40. 17576

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