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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 298 · 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. 1.36³ =
  2. 2.11³ =
  3. 3.15³ =
  4. 4.36³ =
  5. 5.63³ =
  6. 6.83³ =
  7. 7.59³ =
  8. 8.46³ =
  9. 9.36³ =
  10. 10.95³ =
  11. 11.19³ =
  12. 12.85³ =
  13. 13.17³ =
  14. 14.83³ =
  15. 15.26³ =
  16. 16.32³ =
  17. 17.94³ =
  18. 18.81³ =
  19. 19.31³ =
  20. 20.22³ =
  21. 21.72³ =
  22. 22.25³ =
  23. 23.48³ =
  24. 24.12³ =
  25. 25.88³ =
  26. 26.16³ =
  27. 27.13³ =
  28. 28.81³ =
  29. 29.55³ =
  30. 30.48³ =
  31. 31.21³ =
  32. 32.85³ =
  33. 33.13³ =
  34. 34.21³ =
  35. 35.81³ =
  36. 36.52³ =
  37. 37.64³ =
  38. 38.91³ =
  39. 39.48³ =
  40. 40.65³ =

Answer key

  1. 46656
  2. 1331
  3. 3375
  4. 46656
  5. 250047
  6. 571787
  7. 205379
  8. 97336
  9. 46656
  10. 857375
  11. 6859
  12. 614125
  13. 4913
  14. 571787
  15. 17576
  16. 32768
  17. 830584
  18. 531441
  19. 29791
  20. 10648
  21. 373248
  22. 15625
  23. 110592
  24. 1728
  25. 681472
  26. 4096
  27. 2197
  28. 531441
  29. 166375
  30. 110592
  31. 9261
  32. 614125
  33. 2197
  34. 9261
  35. 531441
  36. 140608
  37. 262144
  38. 753571
  39. 110592
  40. 274625

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