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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 54 · 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. 1.51³ =
  2. 2.77³ =
  3. 3.97³ =
  4. 4.88³ =
  5. 5.41³ =
  6. 6.92³ =
  7. 7.79³ =
  8. 8.29³ =
  9. 9.18³ =
  10. 10.71³ =
  11. 11.14³ =
  12. 12.58³ =
  13. 13.58³ =
  14. 14.13³ =
  15. 15.52³ =
  16. 16.23³ =
  17. 17.28³ =
  18. 18.12³ =
  19. 19.48³ =
  20. 20.36³ =
  21. 21.82³ =
  22. 22.18³ =
  23. 23.15³ =
  24. 24.21³ =
  25. 25.28³ =
  26. 26.94³ =
  27. 27.33³ =
  28. 28.31³ =
  29. 29.87³ =
  30. 30.89³ =
  31. 31.38³ =
  32. 32.21³ =
  33. 33.58³ =
  34. 34.51³ =
  35. 35.25³ =
  36. 36.56³ =
  37. 37.61³ =
  38. 38.54³ =
  39. 39.84³ =
  40. 40.21³ =

Answer key

  1. 132651
  2. 456533
  3. 912673
  4. 681472
  5. 68921
  6. 778688
  7. 493039
  8. 24389
  9. 5832
  10. 357911
  11. 2744
  12. 195112
  13. 195112
  14. 2197
  15. 140608
  16. 12167
  17. 21952
  18. 1728
  19. 110592
  20. 46656
  21. 551368
  22. 5832
  23. 3375
  24. 9261
  25. 21952
  26. 830584
  27. 35937
  28. 29791
  29. 658503
  30. 704969
  31. 54872
  32. 9261
  33. 195112
  34. 132651
  35. 15625
  36. 175616
  37. 226981
  38. 157464
  39. 592704
  40. 9261

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