The Big Red (11-12, 3-3) opened the game with a 12-2 run. Dartmouth (6-14, 2-4) trimmed the deficit to 12-7, but a 3-pointer by Cressler sparked a 17-5 spurt.
Cornell stretched its lead to 24, 41-17, on Peck's layup with 2:15 left in the first half and led by at least 18 points after halftime.
The Big Red made 17 of 27 shots in the opening frame while Dartmouth made as many shots (7 of 28) as turnovers.
Tyler Melville's 12 points led the Big Green.
Florida guard Brandone Francis-Ramirez has decided to leave the team after two seasons.
Oklahoma basketball coach Lon Kruger has hired Carlin Hartman as an assistant.
Authorities say former Michigan State basketball player Keith Appling has been charged with carrying a concealed weapon and other crimes.