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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 130 · 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. 1.99³ =
  2. 2.78³ =
  3. 3.86³ =
  4. 4.51³ =
  5. 5.37³ =
  6. 6.43³ =
  7. 7.39³ =
  8. 8.16³ =
  9. 9.66³ =
  10. 10.58³ =
  11. 11.24³ =
  12. 12.94³ =
  13. 13.81³ =
  14. 14.24³ =
  15. 15.73³ =
  16. 16.63³ =
  17. 17.11³ =
  18. 18.52³ =
  19. 19.21³ =
  20. 20.81³ =
  21. 21.11³ =
  22. 22.83³ =
  23. 23.45³ =
  24. 24.71³ =
  25. 25.19³ =
  26. 26.16³ =
  27. 27.45³ =
  28. 28.95³ =
  29. 29.82³ =
  30. 30.36³ =
  31. 31.79³ =
  32. 32.59³ =
  33. 33.66³ =
  34. 34.12³ =
  35. 35.25³ =
  36. 36.43³ =
  37. 37.55³ =
  38. 38.91³ =
  39. 39.63³ =
  40. 40.79³ =

Answer key

  1. 970299
  2. 474552
  3. 636056
  4. 132651
  5. 50653
  6. 79507
  7. 59319
  8. 4096
  9. 287496
  10. 195112
  11. 13824
  12. 830584
  13. 531441
  14. 13824
  15. 389017
  16. 250047
  17. 1331
  18. 140608
  19. 9261
  20. 531441
  21. 1331
  22. 571787
  23. 91125
  24. 357911
  25. 6859
  26. 4096
  27. 91125
  28. 857375
  29. 551368
  30. 46656
  31. 493039
  32. 205379
  33. 287496
  34. 1728
  35. 15625
  36. 79507
  37. 166375
  38. 753571
  39. 250047
  40. 493039

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