Five Fabulous Activities for Your Math Circle is a guidebook for teachers, parents, and math circle leaders. The book is primarily for those working with middle and high school students, with some activities for younger math friends. 147 pages, ISBN 978-1-945899-08-9…

Ying and the Magic Turtle is a story book that invites readers to experience mathematics, problems solving, and the rewards that come with perseverance. Children ages five and up, parents, and teachers can enjoy the book for its rich beauty…

Natural Math was one of the first web pages in the world about multiplication, circa 1996. We were the first in the world to offer open online courses for parents in the early 2000s. Our most popular, longest running course…

Funville is a math-inspired fantasy adventure by Sasha Fradkin and Allison Bishop, where functions come to life as magical beings. After 9-year old Emmy and her 5-year old brother Leo go down an abandoned dilapidated slide, they are magically transported…