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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 379 · 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. 1.44³ =
  2. 2.94³ =
  3. 3.41³ =
  4. 4.45³ =
  5. 5.95³ =
  6. 6.91³ =
  7. 7.86³ =
  8. 8.94³ =
  9. 9.98³ =
  10. 10.81³ =
  11. 11.63³ =
  12. 12.31³ =
  13. 13.73³ =
  14. 14.28³ =
  15. 15.78³ =
  16. 16.86³ =
  17. 17.37³ =
  18. 18.59³ =
  19. 19.26³ =
  20. 20.81³ =
  21. 21.39³ =
  22. 22.62³ =
  23. 23.86³ =
  24. 24.58³ =
  25. 25.53³ =
  26. 26.36³ =
  27. 27.76³ =
  28. 28.91³ =
  29. 29.61³ =
  30. 30.35³ =
  31. 31.85³ =
  32. 32.52³ =
  33. 33.51³ =
  34. 34.59³ =
  35. 35.57³ =
  36. 36.56³ =
  37. 37.61³ =
  38. 38.73³ =
  39. 39.61³ =
  40. 40.28³ =

Answer key

  1. 85184
  2. 830584
  3. 68921
  4. 91125
  5. 857375
  6. 753571
  7. 636056
  8. 830584
  9. 941192
  10. 531441
  11. 250047
  12. 29791
  13. 389017
  14. 21952
  15. 474552
  16. 636056
  17. 50653
  18. 205379
  19. 17576
  20. 531441
  21. 59319
  22. 238328
  23. 636056
  24. 195112
  25. 148877
  26. 46656
  27. 438976
  28. 753571
  29. 226981
  30. 42875
  31. 614125
  32. 140608
  33. 132651
  34. 205379
  35. 185193
  36. 175616
  37. 226981
  38. 389017
  39. 226981
  40. 21952

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