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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 975 · 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. 1.48³ =
  2. 2.66³ =
  3. 3.36³ =
  4. 4.83³ =
  5. 5.72³ =
  6. 6.31³ =
  7. 7.95³ =
  8. 8.13³ =
  9. 9.64³ =
  10. 10.31³ =
  11. 11.28³ =
  12. 12.57³ =
  13. 13.82³ =
  14. 14.75³ =
  15. 15.13³ =
  16. 16.66³ =
  17. 17.66³ =
  18. 18.11³ =
  19. 19.57³ =
  20. 20.56³ =
  21. 21.79³ =
  22. 22.33³ =
  23. 23.43³ =
  24. 24.12³ =
  25. 25.67³ =
  26. 26.82³ =
  27. 27.78³ =
  28. 28.83³ =
  29. 29.64³ =
  30. 30.17³ =
  31. 31.22³ =
  32. 32.27³ =
  33. 33.38³ =
  34. 34.63³ =
  35. 35.22³ =
  36. 36.98³ =
  37. 37.57³ =
  38. 38.78³ =
  39. 39.91³ =
  40. 40.87³ =

Answer key

  1. 110592
  2. 287496
  3. 46656
  4. 571787
  5. 373248
  6. 29791
  7. 857375
  8. 2197
  9. 262144
  10. 29791
  11. 21952
  12. 185193
  13. 551368
  14. 421875
  15. 2197
  16. 287496
  17. 287496
  18. 1331
  19. 185193
  20. 175616
  21. 493039
  22. 35937
  23. 79507
  24. 1728
  25. 300763
  26. 551368
  27. 474552
  28. 571787
  29. 262144
  30. 4913
  31. 10648
  32. 19683
  33. 54872
  34. 250047
  35. 10648
  36. 941192
  37. 185193
  38. 474552
  39. 753571
  40. 658503

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