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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 44 · 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. 1.98³ =
  2. 2.64³ =
  3. 3.27³ =
  4. 4.24³ =
  5. 5.84³ =
  6. 6.94³ =
  7. 7.81³ =
  8. 8.54³ =
  9. 9.95³ =
  10. 10.52³ =
  11. 11.66³ =
  12. 12.36³ =
  13. 13.22³ =
  14. 14.45³ =
  15. 15.35³ =
  16. 16.22³ =
  17. 17.39³ =
  18. 18.31³ =
  19. 19.92³ =
  20. 20.34³ =
  21. 21.93³ =
  22. 22.31³ =
  23. 23.34³ =
  24. 24.81³ =
  25. 25.69³ =
  26. 26.36³ =
  27. 27.96³ =
  28. 28.71³ =
  29. 29.78³ =
  30. 30.77³ =
  31. 31.53³ =
  32. 32.25³ =
  33. 33.61³ =
  34. 34.36³ =
  35. 35.56³ =
  36. 36.76³ =
  37. 37.59³ =
  38. 38.14³ =
  39. 39.16³ =
  40. 40.68³ =

Answer key

  1. 941192
  2. 262144
  3. 19683
  4. 13824
  5. 592704
  6. 830584
  7. 531441
  8. 157464
  9. 857375
  10. 140608
  11. 287496
  12. 46656
  13. 10648
  14. 91125
  15. 42875
  16. 10648
  17. 59319
  18. 29791
  19. 778688
  20. 39304
  21. 804357
  22. 29791
  23. 39304
  24. 531441
  25. 328509
  26. 46656
  27. 884736
  28. 357911
  29. 474552
  30. 456533
  31. 148877
  32. 15625
  33. 226981
  34. 46656
  35. 175616
  36. 438976
  37. 205379
  38. 2744
  39. 4096
  40. 314432

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