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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 936 · 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. 1.28³ =
  2. 2.42³ =
  3. 3.36³ =
  4. 4.24³ =
  5. 5.48³ =
  6. 6.71³ =
  7. 7.31³ =
  8. 8.24³ =
  9. 9.37³ =
  10. 10.65³ =
  11. 11.17³ =
  12. 12.26³ =
  13. 13.99³ =
  14. 14.46³ =
  15. 15.99³ =
  16. 16.29³ =
  17. 17.22³ =
  18. 18.49³ =
  19. 19.26³ =
  20. 20.55³ =
  21. 21.33³ =
  22. 22.55³ =
  23. 23.35³ =
  24. 24.89³ =
  25. 25.66³ =
  26. 26.36³ =
  27. 27.35³ =
  28. 28.26³ =
  29. 29.88³ =
  30. 30.88³ =
  31. 31.28³ =
  32. 32.15³ =
  33. 33.55³ =
  34. 34.49³ =
  35. 35.52³ =
  36. 36.58³ =
  37. 37.52³ =
  38. 38.17³ =
  39. 39.33³ =
  40. 40.41³ =

Answer key

  1. 21952
  2. 74088
  3. 46656
  4. 13824
  5. 110592
  6. 357911
  7. 29791
  8. 13824
  9. 50653
  10. 274625
  11. 4913
  12. 17576
  13. 970299
  14. 97336
  15. 970299
  16. 24389
  17. 10648
  18. 117649
  19. 17576
  20. 166375
  21. 35937
  22. 166375
  23. 42875
  24. 704969
  25. 287496
  26. 46656
  27. 42875
  28. 17576
  29. 681472
  30. 681472
  31. 21952
  32. 3375
  33. 166375
  34. 117649
  35. 140608
  36. 195112
  37. 140608
  38. 4913
  39. 35937
  40. 68921

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