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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 843 · 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. 1.29³ =
  2. 2.66³ =
  3. 3.95³ =
  4. 4.32³ =
  5. 5.51³ =
  6. 6.76³ =
  7. 7.64³ =
  8. 8.61³ =
  9. 9.62³ =
  10. 10.36³ =
  11. 11.16³ =
  12. 12.28³ =
  13. 13.25³ =
  14. 14.61³ =
  15. 15.87³ =
  16. 16.35³ =
  17. 17.31³ =
  18. 18.38³ =
  19. 19.72³ =
  20. 20.53³ =
  21. 21.47³ =
  22. 22.86³ =
  23. 23.22³ =
  24. 24.52³ =
  25. 25.74³ =
  26. 26.56³ =
  27. 27.44³ =
  28. 28.61³ =
  29. 29.13³ =
  30. 30.15³ =
  31. 31.88³ =
  32. 32.49³ =
  33. 33.11³ =
  34. 34.89³ =
  35. 35.71³ =
  36. 36.85³ =
  37. 37.24³ =
  38. 38.52³ =
  39. 39.11³ =
  40. 40.51³ =

Answer key

  1. 24389
  2. 287496
  3. 857375
  4. 32768
  5. 132651
  6. 438976
  7. 262144
  8. 226981
  9. 238328
  10. 46656
  11. 4096
  12. 21952
  13. 15625
  14. 226981
  15. 658503
  16. 42875
  17. 29791
  18. 54872
  19. 373248
  20. 148877
  21. 103823
  22. 636056
  23. 10648
  24. 140608
  25. 405224
  26. 175616
  27. 85184
  28. 226981
  29. 2197
  30. 3375
  31. 681472
  32. 117649
  33. 1331
  34. 704969
  35. 357911
  36. 614125
  37. 13824
  38. 140608
  39. 1331
  40. 132651

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