This hands-on math activity book introduces "big" and sophisticated mathematical ideas, such as fractals and infinity, to children in an interactive and comprehensible way, piquing their interest in math before negative attitudes or fears can set in. Ideal for use as an elementary mathematics enrichment program, as curriculum in the regular classroom, or as a home enrichment or homeschool program, it contains 22 intriguing activities covering a wide range of math content and skills. Teachers and parents are given an overview of the activity and its background content in a low-key, friendly way. A list of helpful terms specific to each activity encourages teachers to introduce the vocabulary of math to students, and step-by-step procedures for each activity are laid out. Reproducible activity sheets for students lead them through a process of engaged inquiry with plenty of tips along the way. Projects include "Suncatcher Fractions," "Kaleidoscopes," and "The Ant's Path."