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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 332 · 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. 1.63³ =
  2. 2.95³ =
  3. 3.65³ =
  4. 4.58³ =
  5. 5.53³ =
  6. 6.57³ =
  7. 7.64³ =
  8. 8.57³ =
  9. 9.95³ =
  10. 10.74³ =
  11. 11.66³ =
  12. 12.36³ =
  13. 13.57³ =
  14. 14.21³ =
  15. 15.85³ =
  16. 16.23³ =
  17. 17.21³ =
  18. 18.39³ =
  19. 19.51³ =
  20. 20.12³ =
  21. 21.11³ =
  22. 22.37³ =
  23. 23.87³ =
  24. 24.47³ =
  25. 25.41³ =
  26. 26.47³ =
  27. 27.59³ =
  28. 28.77³ =
  29. 29.76³ =
  30. 30.68³ =
  31. 31.97³ =
  32. 32.67³ =
  33. 33.21³ =
  34. 34.47³ =
  35. 35.22³ =
  36. 36.71³ =
  37. 37.69³ =
  38. 38.74³ =
  39. 39.87³ =
  40. 40.22³ =

Answer key

  1. 250047
  2. 857375
  3. 274625
  4. 195112
  5. 148877
  6. 185193
  7. 262144
  8. 185193
  9. 857375
  10. 405224
  11. 287496
  12. 46656
  13. 185193
  14. 9261
  15. 614125
  16. 12167
  17. 9261
  18. 59319
  19. 132651
  20. 1728
  21. 1331
  22. 50653
  23. 658503
  24. 103823
  25. 68921
  26. 103823
  27. 205379
  28. 456533
  29. 438976
  30. 314432
  31. 912673
  32. 300763
  33. 9261
  34. 103823
  35. 10648
  36. 357911
  37. 328509
  38. 405224
  39. 658503
  40. 10648

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