Websites

National Library of Virtual Manipulatives

Acton Boxborough Parent Involvement Project

Books

The Adventures of Penrose the Mathematical Cat: The Mathematical Cat by Theoni Pappas

Penrose, a cat with a knack for math, takes children on an adventurous tour of mathematical concepts from fractals to infinity. 

Fractals, Googols and Other Mathematical Tales by Theoni Pappas

Explore mathematical concepts including real numbers, exponents, dimensions, tangrams, and geometry in both serious and humorous ways