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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 65 · 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. 2.65³ =
  3. 3.71³ =
  4. 4.33³ =
  5. 5.28³ =
  6. 6.84³ =
  7. 7.59³ =
  8. 8.65³ =
  9. 9.21³ =
  10. 10.18³ =
  11. 11.61³ =
  12. 12.96³ =
  13. 13.28³ =
  14. 14.14³ =
  15. 15.92³ =
  16. 16.37³ =
  17. 17.17³ =
  18. 18.52³ =
  19. 19.65³ =
  20. 20.22³ =
  21. 21.71³ =
  22. 22.86³ =
  23. 23.12³ =
  24. 24.45³ =
  25. 25.54³ =
  26. 26.13³ =
  27. 27.98³ =
  28. 28.54³ =
  29. 29.89³ =
  30. 30.61³ =
  31. 31.82³ =
  32. 32.36³ =
  33. 33.35³ =
  34. 34.67³ =
  35. 35.19³ =
  36. 36.37³ =
  37. 37.61³ =
  38. 38.54³ =
  39. 39.26³ =
  40. 40.22³ =

Answer key

  1. 970299
  2. 274625
  3. 357911
  4. 35937
  5. 21952
  6. 592704
  7. 205379
  8. 274625
  9. 9261
  10. 5832
  11. 226981
  12. 884736
  13. 21952
  14. 2744
  15. 778688
  16. 50653
  17. 4913
  18. 140608
  19. 274625
  20. 10648
  21. 357911
  22. 636056
  23. 1728
  24. 91125
  25. 157464
  26. 2197
  27. 941192
  28. 157464
  29. 704969
  30. 226981
  31. 551368
  32. 46656
  33. 42875
  34. 300763
  35. 6859
  36. 50653
  37. 226981
  38. 157464
  39. 17576
  40. 10648

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