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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 437 · 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. 1.91³ =
  2. 2.79³ =
  3. 3.67³ =
  4. 4.66³ =
  5. 5.97³ =
  6. 6.35³ =
  7. 7.51³ =
  8. 8.52³ =
  9. 9.81³ =
  10. 10.13³ =
  11. 11.67³ =
  12. 12.91³ =
  13. 13.21³ =
  14. 14.91³ =
  15. 15.55³ =
  16. 16.86³ =
  17. 17.51³ =
  18. 18.72³ =
  19. 19.78³ =
  20. 20.97³ =
  21. 21.52³ =
  22. 22.41³ =
  23. 23.74³ =
  24. 24.79³ =
  25. 25.88³ =
  26. 26.41³ =
  27. 27.95³ =
  28. 28.77³ =
  29. 29.48³ =
  30. 30.86³ =
  31. 31.47³ =
  32. 32.51³ =
  33. 33.94³ =
  34. 34.12³ =
  35. 35.94³ =
  36. 36.17³ =
  37. 37.25³ =
  38. 38.11³ =
  39. 39.41³ =
  40. 40.18³ =

Answer key

  1. 753571
  2. 493039
  3. 300763
  4. 287496
  5. 912673
  6. 42875
  7. 132651
  8. 140608
  9. 531441
  10. 2197
  11. 300763
  12. 753571
  13. 9261
  14. 753571
  15. 166375
  16. 636056
  17. 132651
  18. 373248
  19. 474552
  20. 912673
  21. 140608
  22. 68921
  23. 405224
  24. 493039
  25. 681472
  26. 68921
  27. 857375
  28. 456533
  29. 110592
  30. 636056
  31. 103823
  32. 132651
  33. 830584
  34. 1728
  35. 830584
  36. 4913
  37. 15625
  38. 1331
  39. 68921
  40. 5832

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