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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 88 · 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. 1.34³ =
  2. 2.35³ =
  3. 3.38³ =
  4. 4.76³ =
  5. 5.53³ =
  6. 6.54³ =
  7. 7.29³ =
  8. 8.15³ =
  9. 9.71³ =
  10. 10.23³ =
  11. 11.26³ =
  12. 12.41³ =
  13. 13.61³ =
  14. 14.93³ =
  15. 15.68³ =
  16. 16.12³ =
  17. 17.36³ =
  18. 18.52³ =
  19. 19.21³ =
  20. 20.55³ =
  21. 21.34³ =
  22. 22.24³ =
  23. 23.61³ =
  24. 24.27³ =
  25. 25.71³ =
  26. 26.38³ =
  27. 27.68³ =
  28. 28.75³ =
  29. 29.99³ =
  30. 30.59³ =
  31. 31.76³ =
  32. 32.36³ =
  33. 33.11³ =
  34. 34.69³ =
  35. 35.49³ =
  36. 36.71³ =
  37. 37.51³ =
  38. 38.58³ =
  39. 39.65³ =
  40. 40.61³ =

Answer key

  1. 39304
  2. 42875
  3. 54872
  4. 438976
  5. 148877
  6. 157464
  7. 24389
  8. 3375
  9. 357911
  10. 12167
  11. 17576
  12. 68921
  13. 226981
  14. 804357
  15. 314432
  16. 1728
  17. 46656
  18. 140608
  19. 9261
  20. 166375
  21. 39304
  22. 13824
  23. 226981
  24. 19683
  25. 357911
  26. 54872
  27. 314432
  28. 421875
  29. 970299
  30. 205379
  31. 438976
  32. 46656
  33. 1331
  34. 328509
  35. 117649
  36. 357911
  37. 132651
  38. 195112
  39. 274625
  40. 226981

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