2011 - Developing Essential Understanding of Algebraic Thinking for Teaching Mathematics in Grades 35 (Paperback) ISBN-13: 9780873536684 ISBN-10: 0873536681 ? 2008 - Algebra and the Elementary Classroom Transforming Thinking Transforming Practice (Paperback) ISBN-13: 9780325009469 ISBN-10: 0325009465 Genres: Children's Books, Reference, Science & Math ? |