  2014 - Putting Essential Understanding of Functions Into Practice in Grades 912 [Putting Essential Understanding into Practice Series] (Paperback) ISBN-13: 9780873537148 ISBN-10: 0873537149 Genre: Science & Math ?  2011 - Developing Essential Understanding of Algebraic Thinking for Teaching Mathematics in Grades 35 (Paperback) ISBN-13: 9780873536684 ISBN-10: 0873536681 ? |
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