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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 568 · 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. 1.83³ =
  2. 2.51³ =
  3. 3.41³ =
  4. 4.32³ =
  5. 5.31³ =
  6. 6.15³ =
  7. 7.27³ =
  8. 8.32³ =
  9. 9.26³ =
  10. 10.39³ =
  11. 11.85³ =
  12. 12.49³ =
  13. 13.24³ =
  14. 14.38³ =
  15. 15.98³ =
  16. 16.23³ =
  17. 17.73³ =
  18. 18.99³ =
  19. 19.72³ =
  20. 20.61³ =
  21. 21.57³ =
  22. 22.81³ =
  23. 23.56³ =
  24. 24.68³ =
  25. 25.43³ =
  26. 26.45³ =
  27. 27.19³ =
  28. 28.39³ =
  29. 29.23³ =
  30. 30.28³ =
  31. 31.25³ =
  32. 32.85³ =
  33. 33.81³ =
  34. 34.84³ =
  35. 35.12³ =
  36. 36.73³ =
  37. 37.98³ =
  38. 38.56³ =
  39. 39.67³ =
  40. 40.85³ =

Answer key

  1. 571787
  2. 132651
  3. 68921
  4. 32768
  5. 29791
  6. 3375
  7. 19683
  8. 32768
  9. 17576
  10. 59319
  11. 614125
  12. 117649
  13. 13824
  14. 54872
  15. 941192
  16. 12167
  17. 389017
  18. 970299
  19. 373248
  20. 226981
  21. 185193
  22. 531441
  23. 175616
  24. 314432
  25. 79507
  26. 91125
  27. 6859
  28. 59319
  29. 12167
  30. 21952
  31. 15625
  32. 614125
  33. 531441
  34. 592704
  35. 1728
  36. 389017
  37. 941192
  38. 175616
  39. 300763
  40. 614125

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