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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 565 · 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. 1.19³ =
  2. 2.96³ =
  3. 3.46³ =
  4. 4.67³ =
  5. 5.56³ =
  6. 6.99³ =
  7. 7.64³ =
  8. 8.15³ =
  9. 9.92³ =
  10. 10.78³ =
  11. 11.41³ =
  12. 12.71³ =
  13. 13.45³ =
  14. 14.41³ =
  15. 15.96³ =
  16. 16.73³ =
  17. 17.45³ =
  18. 18.67³ =
  19. 19.91³ =
  20. 20.39³ =
  21. 21.92³ =
  22. 22.68³ =
  23. 23.31³ =
  24. 24.36³ =
  25. 25.16³ =
  26. 26.36³ =
  27. 27.88³ =
  28. 28.87³ =
  29. 29.12³ =
  30. 30.45³ =
  31. 31.41³ =
  32. 32.52³ =
  33. 33.45³ =
  34. 34.66³ =
  35. 35.24³ =
  36. 36.46³ =
  37. 37.19³ =
  38. 38.77³ =
  39. 39.24³ =
  40. 40.37³ =

Answer key

  1. 6859
  2. 884736
  3. 97336
  4. 300763
  5. 175616
  6. 970299
  7. 262144
  8. 3375
  9. 778688
  10. 474552
  11. 68921
  12. 357911
  13. 91125
  14. 68921
  15. 884736
  16. 389017
  17. 91125
  18. 300763
  19. 753571
  20. 59319
  21. 778688
  22. 314432
  23. 29791
  24. 46656
  25. 4096
  26. 46656
  27. 681472
  28. 658503
  29. 1728
  30. 91125
  31. 68921
  32. 140608
  33. 91125
  34. 287496
  35. 13824
  36. 97336
  37. 6859
  38. 456533
  39. 13824
  40. 50653

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