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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 974 · 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. 1.36³ =
  2. 2.16³ =
  3. 3.45³ =
  4. 4.88³ =
  5. 5.63³ =
  6. 6.67³ =
  7. 7.35³ =
  8. 8.62³ =
  9. 9.25³ =
  10. 10.34³ =
  11. 11.21³ =
  12. 12.27³ =
  13. 13.41³ =
  14. 14.56³ =
  15. 15.61³ =
  16. 16.97³ =
  17. 17.55³ =
  18. 18.22³ =
  19. 19.41³ =
  20. 20.16³ =
  21. 21.33³ =
  22. 22.78³ =
  23. 23.81³ =
  24. 24.21³ =
  25. 25.21³ =
  26. 26.43³ =
  27. 27.66³ =
  28. 28.62³ =
  29. 29.71³ =
  30. 30.83³ =
  31. 31.18³ =
  32. 32.36³ =
  33. 33.51³ =
  34. 34.13³ =
  35. 35.45³ =
  36. 36.77³ =
  37. 37.45³ =
  38. 38.48³ =
  39. 39.17³ =
  40. 40.92³ =

Answer key

  1. 46656
  2. 4096
  3. 91125
  4. 681472
  5. 250047
  6. 300763
  7. 42875
  8. 238328
  9. 15625
  10. 39304
  11. 9261
  12. 19683
  13. 68921
  14. 175616
  15. 226981
  16. 912673
  17. 166375
  18. 10648
  19. 68921
  20. 4096
  21. 35937
  22. 474552
  23. 531441
  24. 9261
  25. 9261
  26. 79507
  27. 287496
  28. 238328
  29. 357911
  30. 571787
  31. 5832
  32. 46656
  33. 132651
  34. 2197
  35. 91125
  36. 456533
  37. 91125
  38. 110592
  39. 4913
  40. 778688

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