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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 786 · 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. 1.55³ =
  2. 2.92³ =
  3. 3.14³ =
  4. 4.44³ =
  5. 5.89³ =
  6. 6.77³ =
  7. 7.71³ =
  8. 8.72³ =
  9. 9.21³ =
  10. 10.55³ =
  11. 11.48³ =
  12. 12.84³ =
  13. 13.83³ =
  14. 14.29³ =
  15. 15.98³ =
  16. 16.49³ =
  17. 17.16³ =
  18. 18.42³ =
  19. 19.28³ =
  20. 20.69³ =
  21. 21.82³ =
  22. 22.71³ =
  23. 23.97³ =
  24. 24.54³ =
  25. 25.58³ =
  26. 26.72³ =
  27. 27.66³ =
  28. 28.94³ =
  29. 29.96³ =
  30. 30.74³ =
  31. 31.71³ =
  32. 32.91³ =
  33. 33.88³ =
  34. 34.93³ =
  35. 35.51³ =
  36. 36.29³ =
  37. 37.86³ =
  38. 38.72³ =
  39. 39.21³ =
  40. 40.56³ =

Answer key

  1. 166375
  2. 778688
  3. 2744
  4. 85184
  5. 704969
  6. 456533
  7. 357911
  8. 373248
  9. 9261
  10. 166375
  11. 110592
  12. 592704
  13. 571787
  14. 24389
  15. 941192
  16. 117649
  17. 4096
  18. 74088
  19. 21952
  20. 328509
  21. 551368
  22. 357911
  23. 912673
  24. 157464
  25. 195112
  26. 373248
  27. 287496
  28. 830584
  29. 884736
  30. 405224
  31. 357911
  32. 753571
  33. 681472
  34. 804357
  35. 132651
  36. 24389
  37. 636056
  38. 373248
  39. 9261
  40. 175616

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