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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 446 · 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. 1.87³ =
  2. 2.54³ =
  3. 3.86³ =
  4. 4.71³ =
  5. 5.53³ =
  6. 6.13³ =
  7. 7.65³ =
  8. 8.25³ =
  9. 9.51³ =
  10. 10.44³ =
  11. 11.26³ =
  12. 12.64³ =
  13. 13.73³ =
  14. 14.66³ =
  15. 15.66³ =
  16. 16.33³ =
  17. 17.38³ =
  18. 18.96³ =
  19. 19.25³ =
  20. 20.81³ =
  21. 21.89³ =
  22. 22.96³ =
  23. 23.66³ =
  24. 24.53³ =
  25. 25.58³ =
  26. 26.87³ =
  27. 27.82³ =
  28. 28.17³ =
  29. 29.13³ =
  30. 30.92³ =
  31. 31.51³ =
  32. 32.48³ =
  33. 33.91³ =
  34. 34.14³ =
  35. 35.82³ =
  36. 36.55³ =
  37. 37.56³ =
  38. 38.46³ =
  39. 39.53³ =
  40. 40.62³ =

Answer key

  1. 658503
  2. 157464
  3. 636056
  4. 357911
  5. 148877
  6. 2197
  7. 274625
  8. 15625
  9. 132651
  10. 85184
  11. 17576
  12. 262144
  13. 389017
  14. 287496
  15. 287496
  16. 35937
  17. 54872
  18. 884736
  19. 15625
  20. 531441
  21. 704969
  22. 884736
  23. 287496
  24. 148877
  25. 195112
  26. 658503
  27. 551368
  28. 4913
  29. 2197
  30. 778688
  31. 132651
  32. 110592
  33. 753571
  34. 2744
  35. 551368
  36. 166375
  37. 175616
  38. 97336
  39. 148877
  40. 238328

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