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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 803 · 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. 1.29³ =
  2. 2.26³ =
  3. 3.76³ =
  4. 4.73³ =
  5. 5.31³ =
  6. 6.23³ =
  7. 7.64³ =
  8. 8.66³ =
  9. 9.65³ =
  10. 10.45³ =
  11. 11.52³ =
  12. 12.71³ =
  13. 13.99³ =
  14. 14.54³ =
  15. 15.58³ =
  16. 16.28³ =
  17. 17.61³ =
  18. 18.22³ =
  19. 19.11³ =
  20. 20.45³ =
  21. 21.61³ =
  22. 22.41³ =
  23. 23.22³ =
  24. 24.96³ =
  25. 25.23³ =
  26. 26.19³ =
  27. 27.41³ =
  28. 28.26³ =
  29. 29.66³ =
  30. 30.17³ =
  31. 31.23³ =
  32. 32.99³ =
  33. 33.61³ =
  34. 34.47³ =
  35. 35.59³ =
  36. 36.42³ =
  37. 37.31³ =
  38. 38.51³ =
  39. 39.59³ =
  40. 40.71³ =

Answer key

  1. 24389
  2. 17576
  3. 438976
  4. 389017
  5. 29791
  6. 12167
  7. 262144
  8. 287496
  9. 274625
  10. 91125
  11. 140608
  12. 357911
  13. 970299
  14. 157464
  15. 195112
  16. 21952
  17. 226981
  18. 10648
  19. 1331
  20. 91125
  21. 226981
  22. 68921
  23. 10648
  24. 884736
  25. 12167
  26. 6859
  27. 68921
  28. 17576
  29. 287496
  30. 4913
  31. 12167
  32. 970299
  33. 226981
  34. 103823
  35. 205379
  36. 74088
  37. 29791
  38. 132651
  39. 205379
  40. 357911

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