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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 275 · 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. 2.26³ =
  3. 3.81³ =
  4. 4.75³ =
  5. 5.78³ =
  6. 6.76³ =
  7. 7.81³ =
  8. 8.89³ =
  9. 9.38³ =
  10. 10.52³ =
  11. 11.92³ =
  12. 12.38³ =
  13. 13.73³ =
  14. 14.66³ =
  15. 15.16³ =
  16. 16.41³ =
  17. 17.27³ =
  18. 18.31³ =
  19. 19.93³ =
  20. 20.95³ =
  21. 21.13³ =
  22. 22.76³ =
  23. 23.38³ =
  24. 24.52³ =
  25. 25.71³ =
  26. 26.12³ =
  27. 27.19³ =
  28. 28.73³ =
  29. 29.48³ =
  30. 30.62³ =
  31. 31.54³ =
  32. 32.22³ =
  33. 33.54³ =
  34. 34.76³ =
  35. 35.97³ =
  36. 36.66³ =
  37. 37.48³ =
  38. 38.57³ =
  39. 39.38³ =
  40. 40.79³ =

Answer key

  1. 132651
  2. 17576
  3. 531441
  4. 421875
  5. 474552
  6. 438976
  7. 531441
  8. 704969
  9. 54872
  10. 140608
  11. 778688
  12. 54872
  13. 389017
  14. 287496
  15. 4096
  16. 68921
  17. 19683
  18. 29791
  19. 804357
  20. 857375
  21. 2197
  22. 438976
  23. 54872
  24. 140608
  25. 357911
  26. 1728
  27. 6859
  28. 389017
  29. 110592
  30. 238328
  31. 157464
  32. 10648
  33. 157464
  34. 438976
  35. 912673
  36. 287496
  37. 110592
  38. 185193
  39. 54872
  40. 493039

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