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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 216 · 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. 1.72³ =
  2. 2.16³ =
  3. 3.71³ =
  4. 4.56³ =
  5. 5.45³ =
  6. 6.31³ =
  7. 7.68³ =
  8. 8.97³ =
  9. 9.33³ =
  10. 10.81³ =
  11. 11.53³ =
  12. 12.93³ =
  13. 13.68³ =
  14. 14.59³ =
  15. 15.61³ =
  16. 16.91³ =
  17. 17.15³ =
  18. 18.36³ =
  19. 19.11³ =
  20. 20.81³ =
  21. 21.18³ =
  22. 22.98³ =
  23. 23.14³ =
  24. 24.99³ =
  25. 25.16³ =
  26. 26.91³ =
  27. 27.73³ =
  28. 28.34³ =
  29. 29.55³ =
  30. 30.18³ =
  31. 31.71³ =
  32. 32.94³ =
  33. 33.44³ =
  34. 34.62³ =
  35. 35.66³ =
  36. 36.56³ =
  37. 37.99³ =
  38. 38.41³ =
  39. 39.36³ =
  40. 40.55³ =

Answer key

  1. 373248
  2. 4096
  3. 357911
  4. 175616
  5. 91125
  6. 29791
  7. 314432
  8. 912673
  9. 35937
  10. 531441
  11. 148877
  12. 804357
  13. 314432
  14. 205379
  15. 226981
  16. 753571
  17. 3375
  18. 46656
  19. 1331
  20. 531441
  21. 5832
  22. 941192
  23. 2744
  24. 970299
  25. 4096
  26. 753571
  27. 389017
  28. 39304
  29. 166375
  30. 5832
  31. 357911
  32. 830584
  33. 85184
  34. 238328
  35. 287496
  36. 175616
  37. 970299
  38. 68921
  39. 46656
  40. 166375

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