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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 87 · 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. 1.17³ =
  2. 2.36³ =
  3. 3.23³ =
  4. 4.86³ =
  5. 5.15³ =
  6. 6.93³ =
  7. 7.21³ =
  8. 8.14³ =
  9. 9.71³ =
  10. 10.17³ =
  11. 11.58³ =
  12. 12.88³ =
  13. 13.81³ =
  14. 14.51³ =
  15. 15.18³ =
  16. 16.81³ =
  17. 17.22³ =
  18. 18.99³ =
  19. 19.54³ =
  20. 20.44³ =
  21. 21.51³ =
  22. 22.98³ =
  23. 23.11³ =
  24. 24.88³ =
  25. 25.22³ =
  26. 26.81³ =
  27. 27.45³ =
  28. 28.33³ =
  29. 29.33³ =
  30. 30.41³ =
  31. 31.19³ =
  32. 32.57³ =
  33. 33.89³ =
  34. 34.69³ =
  35. 35.31³ =
  36. 36.51³ =
  37. 37.47³ =
  38. 38.71³ =
  39. 39.49³ =
  40. 40.54³ =

Answer key

  1. 4913
  2. 46656
  3. 12167
  4. 636056
  5. 3375
  6. 804357
  7. 9261
  8. 2744
  9. 357911
  10. 4913
  11. 195112
  12. 681472
  13. 531441
  14. 132651
  15. 5832
  16. 531441
  17. 10648
  18. 970299
  19. 157464
  20. 85184
  21. 132651
  22. 941192
  23. 1331
  24. 681472
  25. 10648
  26. 531441
  27. 91125
  28. 35937
  29. 35937
  30. 68921
  31. 6859
  32. 185193
  33. 704969
  34. 328509
  35. 29791
  36. 132651
  37. 103823
  38. 357911
  39. 117649
  40. 157464

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