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, congruent "pieces" of a whole?

What tasks can you offer--what questions can you ask--to determine what your students know or don't know--and move them forward in their thinking?

This book focuses on the specialised pedagogical content knowledge that you need to teach fractions effectively in grades 3-5. The authors demonstrate how to use this multifaceted knowledge to address the big ideas and essential understandings that...