Written by teachers with a love for quilting, this innovative curriculum features 50 math activities based on beautiful, eye-catching quilt designs. Your 12- to 18-year-olds will learn the Pythagorean theorem, Fibonacci sequences, tessellations, tiling, and general problem-solving techniques as they re-create quilts using colored paper, computer drawing, or even needle and thread! Each section includes math concepts, research projects, and Internet-based activities. 184 pages, softcover from Key Curriculum.