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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 892 · 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. 1.98³ =
  2. 2.71³ =
  3. 3.52³ =
  4. 4.59³ =
  5. 5.47³ =
  6. 6.48³ =
  7. 7.35³ =
  8. 8.76³ =
  9. 9.75³ =
  10. 10.51³ =
  11. 11.11³ =
  12. 12.78³ =
  13. 13.71³ =
  14. 14.26³ =
  15. 15.71³ =
  16. 16.76³ =
  17. 17.17³ =
  18. 18.16³ =
  19. 19.94³ =
  20. 20.95³ =
  21. 21.35³ =
  22. 22.18³ =
  23. 23.86³ =
  24. 24.26³ =
  25. 25.59³ =
  26. 26.56³ =
  27. 27.84³ =
  28. 28.14³ =
  29. 29.34³ =
  30. 30.47³ =
  31. 31.86³ =
  32. 32.69³ =
  33. 33.79³ =
  34. 34.51³ =
  35. 35.14³ =
  36. 36.28³ =
  37. 37.38³ =
  38. 38.17³ =
  39. 39.83³ =
  40. 40.25³ =

Answer key

  1. 941192
  2. 357911
  3. 140608
  4. 205379
  5. 103823
  6. 110592
  7. 42875
  8. 438976
  9. 421875
  10. 132651
  11. 1331
  12. 474552
  13. 357911
  14. 17576
  15. 357911
  16. 438976
  17. 4913
  18. 4096
  19. 830584
  20. 857375
  21. 42875
  22. 5832
  23. 636056
  24. 17576
  25. 205379
  26. 175616
  27. 592704
  28. 2744
  29. 39304
  30. 103823
  31. 636056
  32. 328509
  33. 493039
  34. 132651
  35. 2744
  36. 21952
  37. 54872
  38. 4913
  39. 571787
  40. 15625

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