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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 671 · 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. 1.59³ =
  2. 2.71³ =
  3. 3.25³ =
  4. 4.19³ =
  5. 5.74³ =
  6. 6.71³ =
  7. 7.96³ =
  8. 8.92³ =
  9. 9.29³ =
  10. 10.78³ =
  11. 11.99³ =
  12. 12.48³ =
  13. 13.69³ =
  14. 14.61³ =
  15. 15.26³ =
  16. 16.27³ =
  17. 17.48³ =
  18. 18.14³ =
  19. 19.78³ =
  20. 20.91³ =
  21. 21.26³ =
  22. 22.81³ =
  23. 23.66³ =
  24. 24.44³ =
  25. 25.36³ =
  26. 26.77³ =
  27. 27.49³ =
  28. 28.36³ =
  29. 29.96³ =
  30. 30.48³ =
  31. 31.95³ =
  32. 32.22³ =
  33. 33.46³ =
  34. 34.75³ =
  35. 35.84³ =
  36. 36.45³ =
  37. 37.19³ =
  38. 38.47³ =
  39. 39.18³ =
  40. 40.71³ =

Answer key

  1. 205379
  2. 357911
  3. 15625
  4. 6859
  5. 405224
  6. 357911
  7. 884736
  8. 778688
  9. 24389
  10. 474552
  11. 970299
  12. 110592
  13. 328509
  14. 226981
  15. 17576
  16. 19683
  17. 110592
  18. 2744
  19. 474552
  20. 753571
  21. 17576
  22. 531441
  23. 287496
  24. 85184
  25. 46656
  26. 456533
  27. 117649
  28. 46656
  29. 884736
  30. 110592
  31. 857375
  32. 10648
  33. 97336
  34. 421875
  35. 592704
  36. 91125
  37. 6859
  38. 103823
  39. 5832
  40. 357911

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