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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 189 · 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. 1.31³ =
  2. 2.26³ =
  3. 3.31³ =
  4. 4.94³ =
  5. 5.34³ =
  6. 6.81³ =
  7. 7.41³ =
  8. 8.74³ =
  9. 9.32³ =
  10. 10.13³ =
  11. 11.29³ =
  12. 12.66³ =
  13. 13.85³ =
  14. 14.33³ =
  15. 15.32³ =
  16. 16.69³ =
  17. 17.27³ =
  18. 18.25³ =
  19. 19.95³ =
  20. 20.76³ =
  21. 21.33³ =
  22. 22.61³ =
  23. 23.47³ =
  24. 24.43³ =
  25. 25.91³ =
  26. 26.97³ =
  27. 27.69³ =
  28. 28.75³ =
  29. 29.21³ =
  30. 30.92³ =
  31. 31.92³ =
  32. 32.99³ =
  33. 33.72³ =
  34. 34.45³ =
  35. 35.23³ =
  36. 36.31³ =
  37. 37.18³ =
  38. 38.31³ =
  39. 39.73³ =
  40. 40.95³ =

Answer key

  1. 29791
  2. 17576
  3. 29791
  4. 830584
  5. 39304
  6. 531441
  7. 68921
  8. 405224
  9. 32768
  10. 2197
  11. 24389
  12. 287496
  13. 614125
  14. 35937
  15. 32768
  16. 328509
  17. 19683
  18. 15625
  19. 857375
  20. 438976
  21. 35937
  22. 226981
  23. 103823
  24. 79507
  25. 753571
  26. 912673
  27. 328509
  28. 421875
  29. 9261
  30. 778688
  31. 778688
  32. 970299
  33. 373248
  34. 91125
  35. 12167
  36. 29791
  37. 5832
  38. 29791
  39. 389017
  40. 857375

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