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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 199 · 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. 1.46³ =
  2. 2.32³ =
  3. 3.46³ =
  4. 4.71³ =
  5. 5.36³ =
  6. 6.24³ =
  7. 7.17³ =
  8. 8.36³ =
  9. 9.36³ =
  10. 10.13³ =
  11. 11.77³ =
  12. 12.55³ =
  13. 13.98³ =
  14. 14.18³ =
  15. 15.95³ =
  16. 16.78³ =
  17. 17.52³ =
  18. 18.58³ =
  19. 19.51³ =
  20. 20.59³ =
  21. 21.21³ =
  22. 22.85³ =
  23. 23.96³ =
  24. 24.17³ =
  25. 25.97³ =
  26. 26.62³ =
  27. 27.82³ =
  28. 28.53³ =
  29. 29.93³ =
  30. 30.52³ =
  31. 31.42³ =
  32. 32.58³ =
  33. 33.26³ =
  34. 34.72³ =
  35. 35.73³ =
  36. 36.21³ =
  37. 37.25³ =
  38. 38.56³ =
  39. 39.32³ =
  40. 40.29³ =

Answer key

  1. 97336
  2. 32768
  3. 97336
  4. 357911
  5. 46656
  6. 13824
  7. 4913
  8. 46656
  9. 46656
  10. 2197
  11. 456533
  12. 166375
  13. 941192
  14. 5832
  15. 857375
  16. 474552
  17. 140608
  18. 195112
  19. 132651
  20. 205379
  21. 9261
  22. 614125
  23. 884736
  24. 4913
  25. 912673
  26. 238328
  27. 551368
  28. 148877
  29. 804357
  30. 140608
  31. 74088
  32. 195112
  33. 17576
  34. 373248
  35. 389017
  36. 9261
  37. 15625
  38. 175616
  39. 32768
  40. 24389

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