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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 439 · 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. 1.22³ =
  2. 2.13³ =
  3. 3.51³ =
  4. 4.99³ =
  5. 5.22³ =
  6. 6.93³ =
  7. 7.73³ =
  8. 8.14³ =
  9. 9.84³ =
  10. 10.86³ =
  11. 11.48³ =
  12. 12.28³ =
  13. 13.41³ =
  14. 14.12³ =
  15. 15.14³ =
  16. 16.42³ =
  17. 17.75³ =
  18. 18.46³ =
  19. 19.24³ =
  20. 20.61³ =
  21. 21.45³ =
  22. 22.58³ =
  23. 23.39³ =
  24. 24.48³ =
  25. 25.87³ =
  26. 26.77³ =
  27. 27.26³ =
  28. 28.82³ =
  29. 29.48³ =
  30. 30.79³ =
  31. 31.18³ =
  32. 32.26³ =
  33. 33.81³ =
  34. 34.68³ =
  35. 35.63³ =
  36. 36.88³ =
  37. 37.22³ =
  38. 38.57³ =
  39. 39.46³ =
  40. 40.28³ =

Answer key

  1. 10648
  2. 2197
  3. 132651
  4. 970299
  5. 10648
  6. 804357
  7. 389017
  8. 2744
  9. 592704
  10. 636056
  11. 110592
  12. 21952
  13. 68921
  14. 1728
  15. 2744
  16. 74088
  17. 421875
  18. 97336
  19. 13824
  20. 226981
  21. 91125
  22. 195112
  23. 59319
  24. 110592
  25. 658503
  26. 456533
  27. 17576
  28. 551368
  29. 110592
  30. 493039
  31. 5832
  32. 17576
  33. 531441
  34. 314432
  35. 250047
  36. 681472
  37. 10648
  38. 185193
  39. 97336
  40. 21952

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