Unfolding Mathematics With Unit Origami

This book is loaded with elegant illustrations and detailed folding and assembly instructions, will enable you and your students to create beautiful and intriguing three dimensional origami models. Sixteen absorbing activities, all in black-line master form, first present simple folding techniques that transform square pieces of paper into a variety of geometric shapes. By repeating the folding sequences, students create identical units that combine to form tetrahedra, cubes, octahedra, and much more. After learning a few basics, students can invent their own unique polyhedr! Recommended for grades 7-11. 115 pages. Author Betsy Franco drawings by Diane Varner.

The low price is due to water damage.  None of the pages stick together and the book is very usable.