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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 988 · 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. 1.87³ =
  2. 2.67³ =
  3. 3.41³ =
  4. 4.33³ =
  5. 5.17³ =
  6. 6.43³ =
  7. 7.76³ =
  8. 8.25³ =
  9. 9.31³ =
  10. 10.42³ =
  11. 11.71³ =
  12. 12.12³ =
  13. 13.25³ =
  14. 14.59³ =
  15. 15.79³ =
  16. 16.25³ =
  17. 17.91³ =
  18. 18.37³ =
  19. 19.82³ =
  20. 20.96³ =
  21. 21.73³ =
  22. 22.52³ =
  23. 23.44³ =
  24. 24.14³ =
  25. 25.84³ =
  26. 26.51³ =
  27. 27.87³ =
  28. 28.11³ =
  29. 29.27³ =
  30. 30.38³ =
  31. 31.87³ =
  32. 32.71³ =
  33. 33.62³ =
  34. 34.61³ =
  35. 35.91³ =
  36. 36.41³ =
  37. 37.95³ =
  38. 38.94³ =
  39. 39.42³ =
  40. 40.73³ =

Answer key

  1. 658503
  2. 300763
  3. 68921
  4. 35937
  5. 4913
  6. 79507
  7. 438976
  8. 15625
  9. 29791
  10. 74088
  11. 357911
  12. 1728
  13. 15625
  14. 205379
  15. 493039
  16. 15625
  17. 753571
  18. 50653
  19. 551368
  20. 884736
  21. 389017
  22. 140608
  23. 85184
  24. 2744
  25. 592704
  26. 132651
  27. 658503
  28. 1331
  29. 19683
  30. 54872
  31. 658503
  32. 357911
  33. 238328
  34. 226981
  35. 753571
  36. 68921
  37. 857375
  38. 830584
  39. 74088
  40. 389017

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