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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 796 · 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. 1.63³ =
  2. 2.61³ =
  3. 3.61³ =
  4. 4.96³ =
  5. 5.45³ =
  6. 6.32³ =
  7. 7.67³ =
  8. 8.47³ =
  9. 9.21³ =
  10. 10.91³ =
  11. 11.29³ =
  12. 12.24³ =
  13. 13.67³ =
  14. 14.99³ =
  15. 15.72³ =
  16. 16.79³ =
  17. 17.53³ =
  18. 18.15³ =
  19. 19.74³ =
  20. 20.35³ =
  21. 21.22³ =
  22. 22.32³ =
  23. 23.13³ =
  24. 24.71³ =
  25. 25.81³ =
  26. 26.57³ =
  27. 27.24³ =
  28. 28.65³ =
  29. 29.42³ =
  30. 30.59³ =
  31. 31.21³ =
  32. 32.47³ =
  33. 33.59³ =
  34. 34.66³ =
  35. 35.61³ =
  36. 36.48³ =
  37. 37.68³ =
  38. 38.51³ =
  39. 39.74³ =
  40. 40.58³ =

Answer key

  1. 250047
  2. 226981
  3. 226981
  4. 884736
  5. 91125
  6. 32768
  7. 300763
  8. 103823
  9. 9261
  10. 753571
  11. 24389
  12. 13824
  13. 300763
  14. 970299
  15. 373248
  16. 493039
  17. 148877
  18. 3375
  19. 405224
  20. 42875
  21. 10648
  22. 32768
  23. 2197
  24. 357911
  25. 531441
  26. 185193
  27. 13824
  28. 274625
  29. 74088
  30. 205379
  31. 9261
  32. 103823
  33. 205379
  34. 287496
  35. 226981
  36. 110592
  37. 314432
  38. 132651
  39. 405224
  40. 195112

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