2012 Houghton Mifflin Harcourt Go Math! Grade 2 Common Core Edition -- Teacher Edition Chapter 1: Number Concepts (Paperback/Saddle Stitch Binding)(12"x10") ***ISBN-13: 9780547591483 ***Condition: Good Used/Good Used--Some Teacher's Notes and Writings in Text @math04.2/math34.1.2;1a>hmh.math ASKU#081022v