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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 92 · 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. 1.37³ =
  2. 2.99³ =
  3. 3.51³ =
  4. 4.35³ =
  5. 5.39³ =
  6. 6.73³ =
  7. 7.42³ =
  8. 8.28³ =
  9. 9.22³ =
  10. 10.45³ =
  11. 11.19³ =
  12. 12.22³ =
  13. 13.52³ =
  14. 14.87³ =
  15. 15.55³ =
  16. 16.39³ =
  17. 17.36³ =
  18. 18.14³ =
  19. 19.32³ =
  20. 20.35³ =
  21. 21.64³ =
  22. 22.82³ =
  23. 23.83³ =
  24. 24.17³ =
  25. 25.33³ =
  26. 26.61³ =
  27. 27.19³ =
  28. 28.57³ =
  29. 29.91³ =
  30. 30.94³ =
  31. 31.31³ =
  32. 32.61³ =
  33. 33.51³ =
  34. 34.77³ =
  35. 35.31³ =
  36. 36.66³ =
  37. 37.31³ =
  38. 38.66³ =
  39. 39.62³ =
  40. 40.65³ =

Answer key

  1. 50653
  2. 970299
  3. 132651
  4. 42875
  5. 59319
  6. 389017
  7. 74088
  8. 21952
  9. 10648
  10. 91125
  11. 6859
  12. 10648
  13. 140608
  14. 658503
  15. 166375
  16. 59319
  17. 46656
  18. 2744
  19. 32768
  20. 42875
  21. 262144
  22. 551368
  23. 571787
  24. 4913
  25. 35937
  26. 226981
  27. 6859
  28. 185193
  29. 753571
  30. 830584
  31. 29791
  32. 226981
  33. 132651
  34. 456533
  35. 29791
  36. 287496
  37. 29791
  38. 287496
  39. 238328
  40. 274625

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