The Falcons hit nine 3-pointers and clamped down on defense to earn win at home.
Allison Corral led a balanced Falcons attack with 11 points, including three 3-pointers. Kaitlyn Caughey added 10 points while Dayna Vera and Meri Dunford each scored nine points.
Prairie (2-4) started quickly and built an 18-4 lead through one quarter.
Megan Geiger scored eight points to lead Battle Ground (2-4).
PRAIRIE 50, BATTLE GROUND 23
BATTLE GROUND (2-4) — Megan Geiger 8, Faith Prom 0, Marissa Maunu 0, Hailey Geiger 0, Mallory Meyer 7, Abby Beall 1, Lena Whitten 5, Emma Massie 0, Elizabeth Miller 2. Totals 9 (2) 3-8 23.
PRAIRIE (2-4) — Dayna Vera 9, Meri Dunford 9, Allison Corral 11, Claire Heitschmidt 8, Hannah Clouse 3, Kylie Diaz 0, Kaitlyn Caughey 10. Totals 19 (9) 3-10 50.