Dinah Zike's Big Book of Math for Middle and High School features instructions for 28 manipulatives, with approximately 100 full-color photographed examples. Math topics are divided into five catagories, Number Systems, Algebraic Patterns and Functions, Geometry, Measurement, Data Analysis and Probablility. The book contains thousands of ideas for teaching math concepts using graphic organizers, as well as five black-line art examples per page and an additional 40 black and white photographed examples throughout the book. 128 pages, 8 1/2" x 11"