A Focus on Fractions is a groundbreaking effort to make the mathematics education research on how students develop their understanding of fraction concepts read

The third edition of this book offers a unique approach to making mathematics education research on the teaching and learning of fraction concepts readily acces

A Focus on Fractions is the first book to make cognitive research on how students develop their understanding of fraction concepts readily accessible and unders

Do your students suppose that 1/3 is greater than 1/2, since 3 is greater than 2? Do they believe that having “halves” means having two, and only two, congr