FREE downloadable e-book: Two tic-tac-toe games on the meaning of fraction and equivalent fractions and 15 hands-on guided discovery activities with fraction circles (up to 16ths) that reveal the patterns that determine the rules for working with fractions. Makes sense of numerators, denominators, equivalent fractions, and the rules for adding, subtracting, multiplying, and dividing fractions. Grades K-9, 24 pages with permission to duplicate.