Houghton Mifflin Harcourt On Core Mathematics Student Worktext Geometry On Core Mathematics On Core Mathematics is a complete companion for transitioning to the Common Core State Standards, with interactive, real-world applications that help students deepen their understanding of crucial math concepts. Grades: 9-12 Material Type: Student Materials Format: Softcover, 384 Pages ISBN-13/EAN: 9780547575308 ISBN-10: 0547575300 Product Code: 1457759 National/State: National Copyright Year: 2012