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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 834 · 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. 1.36³ =
  2. 2.72³ =
  3. 3.92³ =
  4. 4.54³ =
  5. 5.61³ =
  6. 6.44³ =
  7. 7.33³ =
  8. 8.88³ =
  9. 9.81³ =
  10. 10.55³ =
  11. 11.11³ =
  12. 12.16³ =
  13. 13.37³ =
  14. 14.62³ =
  15. 15.46³ =
  16. 16.52³ =
  17. 17.74³ =
  18. 18.15³ =
  19. 19.91³ =
  20. 20.51³ =
  21. 21.84³ =
  22. 22.94³ =
  23. 23.96³ =
  24. 24.18³ =
  25. 25.43³ =
  26. 26.81³ =
  27. 27.85³ =
  28. 28.91³ =
  29. 29.73³ =
  30. 30.61³ =
  31. 31.91³ =
  32. 32.43³ =
  33. 33.74³ =
  34. 34.22³ =
  35. 35.77³ =
  36. 36.21³ =
  37. 37.64³ =
  38. 38.47³ =
  39. 39.38³ =
  40. 40.97³ =

Answer key

  1. 46656
  2. 373248
  3. 778688
  4. 157464
  5. 226981
  6. 85184
  7. 35937
  8. 681472
  9. 531441
  10. 166375
  11. 1331
  12. 4096
  13. 50653
  14. 238328
  15. 97336
  16. 140608
  17. 405224
  18. 3375
  19. 753571
  20. 132651
  21. 592704
  22. 830584
  23. 884736
  24. 5832
  25. 79507
  26. 531441
  27. 614125
  28. 753571
  29. 389017
  30. 226981
  31. 753571
  32. 79507
  33. 405224
  34. 10648
  35. 456533
  36. 9261
  37. 262144
  38. 103823
  39. 54872
  40. 912673

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