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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 183 · 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. 1.42³ =
  2. 2.29³ =
  3. 3.84³ =
  4. 4.22³ =
  5. 5.28³ =
  6. 6.79³ =
  7. 7.31³ =
  8. 8.33³ =
  9. 9.84³ =
  10. 10.55³ =
  11. 11.59³ =
  12. 12.16³ =
  13. 13.41³ =
  14. 14.98³ =
  15. 15.41³ =
  16. 16.63³ =
  17. 17.96³ =
  18. 18.21³ =
  19. 19.98³ =
  20. 20.63³ =
  21. 21.79³ =
  22. 22.79³ =
  23. 23.28³ =
  24. 24.43³ =
  25. 25.74³ =
  26. 26.67³ =
  27. 27.11³ =
  28. 28.58³ =
  29. 29.93³ =
  30. 30.54³ =
  31. 31.91³ =
  32. 32.12³ =
  33. 33.43³ =
  34. 34.71³ =
  35. 35.72³ =
  36. 36.66³ =
  37. 37.39³ =
  38. 38.22³ =
  39. 39.69³ =
  40. 40.35³ =

Answer key

  1. 74088
  2. 24389
  3. 592704
  4. 10648
  5. 21952
  6. 493039
  7. 29791
  8. 35937
  9. 592704
  10. 166375
  11. 205379
  12. 4096
  13. 68921
  14. 941192
  15. 68921
  16. 250047
  17. 884736
  18. 9261
  19. 941192
  20. 250047
  21. 493039
  22. 493039
  23. 21952
  24. 79507
  25. 405224
  26. 300763
  27. 1331
  28. 195112
  29. 804357
  30. 157464
  31. 753571
  32. 1728
  33. 79507
  34. 357911
  35. 373248
  36. 287496
  37. 59319
  38. 10648
  39. 328509
  40. 42875

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