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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 101 · 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. 1.93³ =
  2. 2.67³ =
  3. 3.59³ =
  4. 4.36³ =
  5. 5.73³ =
  6. 6.53³ =
  7. 7.57³ =
  8. 8.78³ =
  9. 9.68³ =
  10. 10.17³ =
  11. 11.52³ =
  12. 12.94³ =
  13. 13.26³ =
  14. 14.17³ =
  15. 15.46³ =
  16. 16.98³ =
  17. 17.26³ =
  18. 18.18³ =
  19. 19.17³ =
  20. 20.76³ =
  21. 21.28³ =
  22. 22.88³ =
  23. 23.56³ =
  24. 24.74³ =
  25. 25.42³ =
  26. 26.82³ =
  27. 27.57³ =
  28. 28.19³ =
  29. 29.22³ =
  30. 30.21³ =
  31. 31.24³ =
  32. 32.81³ =
  33. 33.63³ =
  34. 34.85³ =
  35. 35.46³ =
  36. 36.84³ =
  37. 37.31³ =
  38. 38.26³ =
  39. 39.18³ =
  40. 40.16³ =

Answer key

  1. 804357
  2. 300763
  3. 205379
  4. 46656
  5. 389017
  6. 148877
  7. 185193
  8. 474552
  9. 314432
  10. 4913
  11. 140608
  12. 830584
  13. 17576
  14. 4913
  15. 97336
  16. 941192
  17. 17576
  18. 5832
  19. 4913
  20. 438976
  21. 21952
  22. 681472
  23. 175616
  24. 405224
  25. 74088
  26. 551368
  27. 185193
  28. 6859
  29. 10648
  30. 9261
  31. 13824
  32. 531441
  33. 250047
  34. 614125
  35. 97336
  36. 592704
  37. 29791
  38. 17576
  39. 5832
  40. 4096

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