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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 657 · 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. 1.47³ =
  2. 2.77³ =
  3. 3.59³ =
  4. 4.77³ =
  5. 5.56³ =
  6. 6.54³ =
  7. 7.91³ =
  8. 8.92³ =
  9. 9.61³ =
  10. 10.98³ =
  11. 11.55³ =
  12. 12.34³ =
  13. 13.47³ =
  14. 14.21³ =
  15. 15.57³ =
  16. 16.15³ =
  17. 17.25³ =
  18. 18.54³ =
  19. 19.36³ =
  20. 20.71³ =
  21. 21.77³ =
  22. 22.82³ =
  23. 23.74³ =
  24. 24.54³ =
  25. 25.64³ =
  26. 26.65³ =
  27. 27.48³ =
  28. 28.61³ =
  29. 29.43³ =
  30. 30.35³ =
  31. 31.91³ =
  32. 32.67³ =
  33. 33.45³ =
  34. 34.36³ =
  35. 35.41³ =
  36. 36.36³ =
  37. 37.83³ =
  38. 38.76³ =
  39. 39.62³ =
  40. 40.68³ =

Answer key

  1. 103823
  2. 456533
  3. 205379
  4. 456533
  5. 175616
  6. 157464
  7. 753571
  8. 778688
  9. 226981
  10. 941192
  11. 166375
  12. 39304
  13. 103823
  14. 9261
  15. 185193
  16. 3375
  17. 15625
  18. 157464
  19. 46656
  20. 357911
  21. 456533
  22. 551368
  23. 405224
  24. 157464
  25. 262144
  26. 274625
  27. 110592
  28. 226981
  29. 79507
  30. 42875
  31. 753571
  32. 300763
  33. 91125
  34. 46656
  35. 68921
  36. 46656
  37. 571787
  38. 438976
  39. 238328
  40. 314432

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