The Terps and Spartans clash Saturday night for the first time this season.
Smith also notched his seventh straight double-double.
Maryland enters the game as heavy favorites.
Maryland looks to build upon its lead at the top of the Big Ten.
"[We] kind of slowed them down a little bit.”
Guard Anthony Cowan contributed a game-high 20 points.
The Terps lost to the Hawkeyes earlier this season in Iowa City.
The Terps will try to stay undefeated at home.
Behind Jalen Smith's 21 second-half points, the Terps outscored the Wildcats 51-26 in the final 20 minutes.
The Terps look to pick up their first win in a true road game.