AMES, Iowa -- Bridget Carleton scored 24 points, Kristin Scott added 17 with 12 rebounds and No. 18 Iowa State rolled to an 89-67 win over Oklahoma State on Saturday.

Alexa Middleton had 15 points and Ashley Joens 14 for the Hawkeyes (19-6, 9-3 Big 12 Conference), who improved to 15-1 at home for their first-ever sweep of the Cowgirls.

Carleton had 14 points in the first half when Iowa took a 51-39 lead. She now has 1,914 points, putting her 235 points behind all-time leading scorer Angie Welle. Carleton also had seven rebounds as the Cyclones won the rebound battle 43-29.

Meredith Burkhall had 10 points on 5-for-5 as Iowa State finished at 49 percent for the game despite an 8-for-20 third quarter.

Vivian Gray scored 31 points -- two off her career high -- for Oklahoma State (13-11, 4-9), losers of three straight. Ja'Mee Asberry added 14.