Late free throws from Katie Benzan and Ashley Owusu helped the Terps hold off the Hoosiers.
Owusu and Miller scored 20 points each.
"We're just trying to do different things to make us a championship team."
The sophomore's career day helped the Terps hold off the Nittany Lions.
The Terps are playing their first game in 12 days on Thursday.
The Terps are the highest-ranked Big Ten team.
Six Terps scored in double figures, led by Ashley Owusu's 19 points.
The Terps only used seven players in their Big Ten opener against Rutgers.
"I was able to do it all."
Mimi Collins scored a career-high 22 points to lead the Terps.