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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 544 · 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. 1.21³ =
  2. 2.66³ =
  3. 3.24³ =
  4. 4.74³ =
  5. 5.75³ =
  6. 6.95³ =
  7. 7.91³ =
  8. 8.68³ =
  9. 9.38³ =
  10. 10.13³ =
  11. 11.71³ =
  12. 12.86³ =
  13. 13.91³ =
  14. 14.17³ =
  15. 15.21³ =
  16. 16.51³ =
  17. 17.95³ =
  18. 18.81³ =
  19. 19.36³ =
  20. 20.21³ =
  21. 21.47³ =
  22. 22.29³ =
  23. 23.21³ =
  24. 24.47³ =
  25. 25.48³ =
  26. 26.55³ =
  27. 27.71³ =
  28. 28.11³ =
  29. 29.28³ =
  30. 30.96³ =
  31. 31.39³ =
  32. 32.66³ =
  33. 33.84³ =
  34. 34.15³ =
  35. 35.33³ =
  36. 36.26³ =
  37. 37.66³ =
  38. 38.86³ =
  39. 39.67³ =
  40. 40.62³ =

Answer key

  1. 9261
  2. 287496
  3. 13824
  4. 405224
  5. 421875
  6. 857375
  7. 753571
  8. 314432
  9. 54872
  10. 2197
  11. 357911
  12. 636056
  13. 753571
  14. 4913
  15. 9261
  16. 132651
  17. 857375
  18. 531441
  19. 46656
  20. 9261
  21. 103823
  22. 24389
  23. 9261
  24. 103823
  25. 110592
  26. 166375
  27. 357911
  28. 1331
  29. 21952
  30. 884736
  31. 59319
  32. 287496
  33. 592704
  34. 3375
  35. 35937
  36. 17576
  37. 287496
  38. 636056
  39. 300763
  40. 238328

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