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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 747 · 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. 1.93³ =
  2. 2.98³ =
  3. 3.43³ =
  4. 4.16³ =
  5. 5.16³ =
  6. 6.73³ =
  7. 7.92³ =
  8. 8.35³ =
  9. 9.28³ =
  10. 10.36³ =
  11. 11.95³ =
  12. 12.81³ =
  13. 13.93³ =
  14. 14.61³ =
  15. 15.11³ =
  16. 16.34³ =
  17. 17.51³ =
  18. 18.37³ =
  19. 19.33³ =
  20. 20.51³ =
  21. 21.35³ =
  22. 22.36³ =
  23. 23.55³ =
  24. 24.82³ =
  25. 25.59³ =
  26. 26.89³ =
  27. 27.89³ =
  28. 28.87³ =
  29. 29.45³ =
  30. 30.31³ =
  31. 31.92³ =
  32. 32.77³ =
  33. 33.91³ =
  34. 34.49³ =
  35. 35.74³ =
  36. 36.41³ =
  37. 37.17³ =
  38. 38.45³ =
  39. 39.99³ =
  40. 40.82³ =

Answer key

  1. 804357
  2. 941192
  3. 79507
  4. 4096
  5. 4096
  6. 389017
  7. 778688
  8. 42875
  9. 21952
  10. 46656
  11. 857375
  12. 531441
  13. 804357
  14. 226981
  15. 1331
  16. 39304
  17. 132651
  18. 50653
  19. 35937
  20. 132651
  21. 42875
  22. 46656
  23. 166375
  24. 551368
  25. 205379
  26. 704969
  27. 704969
  28. 658503
  29. 91125
  30. 29791
  31. 778688
  32. 456533
  33. 753571
  34. 117649
  35. 405224
  36. 68921
  37. 4913
  38. 91125
  39. 970299
  40. 551368

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