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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 521 · 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. 2.91³ =
  3. 3.15³ =
  4. 4.37³ =
  5. 5.28³ =
  6. 6.84³ =
  7. 7.12³ =
  8. 8.56³ =
  9. 9.67³ =
  10. 10.68³ =
  11. 11.61³ =
  12. 12.25³ =
  13. 13.88³ =
  14. 14.49³ =
  15. 15.97³ =
  16. 16.51³ =
  17. 17.17³ =
  18. 18.43³ =
  19. 19.61³ =
  20. 20.66³ =
  21. 21.51³ =
  22. 22.18³ =
  23. 23.57³ =
  24. 24.38³ =
  25. 25.48³ =
  26. 26.64³ =
  27. 27.43³ =
  28. 28.17³ =
  29. 29.42³ =
  30. 30.83³ =
  31. 31.22³ =
  32. 32.64³ =
  33. 33.97³ =
  34. 34.98³ =
  35. 35.61³ =
  36. 36.91³ =
  37. 37.44³ =
  38. 38.25³ =
  39. 39.39³ =
  40. 40.45³ =

Answer key

  1. 24389
  2. 753571
  3. 3375
  4. 50653
  5. 21952
  6. 592704
  7. 1728
  8. 175616
  9. 300763
  10. 314432
  11. 226981
  12. 15625
  13. 681472
  14. 117649
  15. 912673
  16. 132651
  17. 4913
  18. 79507
  19. 226981
  20. 287496
  21. 132651
  22. 5832
  23. 185193
  24. 54872
  25. 110592
  26. 262144
  27. 79507
  28. 4913
  29. 74088
  30. 571787
  31. 10648
  32. 262144
  33. 912673
  34. 941192
  35. 226981
  36. 753571
  37. 85184
  38. 15625
  39. 59319
  40. 91125

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