This Go Math Middle School Grade 6 Practice & Skills Fluency Workbook is an essential tool for students to enhance their math skills. With over 100 pages of practice problems, it covers a wide range of topics in mathematics. Published by Houghton Mifflin Harcourt, the book is part of the Go Math! series. There is a small tear at the front lower left and crease on the front cover from a kiddo bringing it home, but the inside pages are unmarked and in a great condition. From non-smoking home.