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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 400 · 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. 1.95³ =
  2. 2.54³ =
  3. 3.48³ =
  4. 4.68³ =
  5. 5.45³ =
  6. 6.92³ =
  7. 7.85³ =
  8. 8.39³ =
  9. 9.71³ =
  10. 10.77³ =
  11. 11.79³ =
  12. 12.57³ =
  13. 13.86³ =
  14. 14.45³ =
  15. 15.57³ =
  16. 16.71³ =
  17. 17.95³ =
  18. 18.43³ =
  19. 19.81³ =
  20. 20.29³ =
  21. 21.74³ =
  22. 22.76³ =
  23. 23.61³ =
  24. 24.26³ =
  25. 25.34³ =
  26. 26.34³ =
  27. 27.51³ =
  28. 28.61³ =
  29. 29.95³ =
  30. 30.65³ =
  31. 31.19³ =
  32. 32.66³ =
  33. 33.36³ =
  34. 34.92³ =
  35. 35.58³ =
  36. 36.21³ =
  37. 37.67³ =
  38. 38.48³ =
  39. 39.69³ =
  40. 40.31³ =

Answer key

  1. 857375
  2. 157464
  3. 110592
  4. 314432
  5. 91125
  6. 778688
  7. 614125
  8. 59319
  9. 357911
  10. 456533
  11. 493039
  12. 185193
  13. 636056
  14. 91125
  15. 185193
  16. 357911
  17. 857375
  18. 79507
  19. 531441
  20. 24389
  21. 405224
  22. 438976
  23. 226981
  24. 17576
  25. 39304
  26. 39304
  27. 132651
  28. 226981
  29. 857375
  30. 274625
  31. 6859
  32. 287496
  33. 46656
  34. 778688
  35. 195112
  36. 9261
  37. 300763
  38. 110592
  39. 328509
  40. 29791

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