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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 700 · 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. 1.32³ =
  2. 2.43³ =
  3. 3.28³ =
  4. 4.31³ =
  5. 5.11³ =
  6. 6.62³ =
  7. 7.21³ =
  8. 8.36³ =
  9. 9.83³ =
  10. 10.28³ =
  11. 11.47³ =
  12. 12.25³ =
  13. 13.28³ =
  14. 14.33³ =
  15. 15.21³ =
  16. 16.26³ =
  17. 17.56³ =
  18. 18.67³ =
  19. 19.21³ =
  20. 20.43³ =
  21. 21.22³ =
  22. 22.83³ =
  23. 23.34³ =
  24. 24.19³ =
  25. 25.85³ =
  26. 26.24³ =
  27. 27.25³ =
  28. 28.62³ =
  29. 29.75³ =
  30. 30.19³ =
  31. 31.42³ =
  32. 32.15³ =
  33. 33.86³ =
  34. 34.77³ =
  35. 35.75³ =
  36. 36.95³ =
  37. 37.16³ =
  38. 38.21³ =
  39. 39.26³ =
  40. 40.96³ =

Answer key

  1. 32768
  2. 79507
  3. 21952
  4. 29791
  5. 1331
  6. 238328
  7. 9261
  8. 46656
  9. 571787
  10. 21952
  11. 103823
  12. 15625
  13. 21952
  14. 35937
  15. 9261
  16. 17576
  17. 175616
  18. 300763
  19. 9261
  20. 79507
  21. 10648
  22. 571787
  23. 39304
  24. 6859
  25. 614125
  26. 13824
  27. 15625
  28. 238328
  29. 421875
  30. 6859
  31. 74088
  32. 3375
  33. 636056
  34. 456533
  35. 421875
  36. 857375
  37. 4096
  38. 9261
  39. 17576
  40. 884736

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