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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 902 · 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. 1.15³ =
  2. 2.46³ =
  3. 3.43³ =
  4. 4.79³ =
  5. 5.33³ =
  6. 6.96³ =
  7. 7.68³ =
  8. 8.85³ =
  9. 9.13³ =
  10. 10.47³ =
  11. 11.68³ =
  12. 12.13³ =
  13. 13.13³ =
  14. 14.86³ =
  15. 15.44³ =
  16. 16.48³ =
  17. 17.98³ =
  18. 18.12³ =
  19. 19.61³ =
  20. 20.28³ =
  21. 21.16³ =
  22. 22.52³ =
  23. 23.78³ =
  24. 24.92³ =
  25. 25.51³ =
  26. 26.99³ =
  27. 27.72³ =
  28. 28.96³ =
  29. 29.43³ =
  30. 30.29³ =
  31. 31.92³ =
  32. 32.56³ =
  33. 33.86³ =
  34. 34.23³ =
  35. 35.29³ =
  36. 36.25³ =
  37. 37.33³ =
  38. 38.47³ =
  39. 39.91³ =
  40. 40.37³ =

Answer key

  1. 3375
  2. 97336
  3. 79507
  4. 493039
  5. 35937
  6. 884736
  7. 314432
  8. 614125
  9. 2197
  10. 103823
  11. 314432
  12. 2197
  13. 2197
  14. 636056
  15. 85184
  16. 110592
  17. 941192
  18. 1728
  19. 226981
  20. 21952
  21. 4096
  22. 140608
  23. 474552
  24. 778688
  25. 132651
  26. 970299
  27. 373248
  28. 884736
  29. 79507
  30. 24389
  31. 778688
  32. 175616
  33. 636056
  34. 12167
  35. 24389
  36. 15625
  37. 35937
  38. 103823
  39. 753571
  40. 50653

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