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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 636 · 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. 1.67³ =
  2. 2.38³ =
  3. 3.56³ =
  4. 4.36³ =
  5. 5.47³ =
  6. 6.52³ =
  7. 7.49³ =
  8. 8.16³ =
  9. 9.23³ =
  10. 10.74³ =
  11. 11.31³ =
  12. 12.26³ =
  13. 13.31³ =
  14. 14.62³ =
  15. 15.45³ =
  16. 16.24³ =
  17. 17.36³ =
  18. 18.19³ =
  19. 19.22³ =
  20. 20.83³ =
  21. 21.43³ =
  22. 22.41³ =
  23. 23.62³ =
  24. 24.46³ =
  25. 25.55³ =
  26. 26.27³ =
  27. 27.24³ =
  28. 28.38³ =
  29. 29.61³ =
  30. 30.36³ =
  31. 31.36³ =
  32. 32.33³ =
  33. 33.76³ =
  34. 34.31³ =
  35. 35.19³ =
  36. 36.87³ =
  37. 37.82³ =
  38. 38.54³ =
  39. 39.95³ =
  40. 40.36³ =

Answer key

  1. 300763
  2. 54872
  3. 175616
  4. 46656
  5. 103823
  6. 140608
  7. 117649
  8. 4096
  9. 12167
  10. 405224
  11. 29791
  12. 17576
  13. 29791
  14. 238328
  15. 91125
  16. 13824
  17. 46656
  18. 6859
  19. 10648
  20. 571787
  21. 79507
  22. 68921
  23. 238328
  24. 97336
  25. 166375
  26. 19683
  27. 13824
  28. 54872
  29. 226981
  30. 46656
  31. 46656
  32. 35937
  33. 438976
  34. 29791
  35. 6859
  36. 658503
  37. 551368
  38. 157464
  39. 857375
  40. 46656

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