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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 352 · 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. 1.43³ =
  2. 2.28³ =
  3. 3.16³ =
  4. 4.41³ =
  5. 5.94³ =
  6. 6.62³ =
  7. 7.91³ =
  8. 8.99³ =
  9. 9.67³ =
  10. 10.51³ =
  11. 11.13³ =
  12. 12.71³ =
  13. 13.94³ =
  14. 14.83³ =
  15. 15.95³ =
  16. 16.88³ =
  17. 17.91³ =
  18. 18.42³ =
  19. 19.87³ =
  20. 20.97³ =
  21. 21.48³ =
  22. 22.29³ =
  23. 23.69³ =
  24. 24.36³ =
  25. 25.23³ =
  26. 26.31³ =
  27. 27.75³ =
  28. 28.43³ =
  29. 29.33³ =
  30. 30.42³ =
  31. 31.14³ =
  32. 32.75³ =
  33. 33.39³ =
  34. 34.61³ =
  35. 35.47³ =
  36. 36.56³ =
  37. 37.55³ =
  38. 38.85³ =
  39. 39.57³ =
  40. 40.56³ =

Answer key

  1. 79507
  2. 21952
  3. 4096
  4. 68921
  5. 830584
  6. 238328
  7. 753571
  8. 970299
  9. 300763
  10. 132651
  11. 2197
  12. 357911
  13. 830584
  14. 571787
  15. 857375
  16. 681472
  17. 753571
  18. 74088
  19. 658503
  20. 912673
  21. 110592
  22. 24389
  23. 328509
  24. 46656
  25. 12167
  26. 29791
  27. 421875
  28. 79507
  29. 35937
  30. 74088
  31. 2744
  32. 421875
  33. 59319
  34. 226981
  35. 103823
  36. 175616
  37. 166375
  38. 614125
  39. 185193
  40. 175616

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