Today’s classrooma are filled with diverse learning needs, so how can teachers ensure all are being met? In this session, educators have the opportunity to learn about and participate in an innovative, engaging mathematics teaching strategy aimed at providing challenging mathematics for all children. Through complex, authentic, open-ended math problems, model-eliciting activities provide appropriate differentiated mathematics instruction. These client-based, data-driven problems encourage students to work in teams to develop solutions (mathematical models) that will generalize to later data sets. Educators are given information and instruction, time for application and reflection, and materials for classroom use.