Hayley Denker (left), a student teacher from Oklahoma State University, teaches math to Jason Milne, Trevalyn Ware and Joshua Landin in Christy Hermanski's 4-year-old class at Carver Educational Center Thursday, Feb. 12, 2015. (Staff Photo by BONNIE VCULEK)

Hayley DenkerOklahoma State UniversityStudent TeacherCarver Educational CenterMath ManipulativesProgressEducationBonnie VculekEnid