David B. Spangler outlines powerful diagnostic and NCTM- and Common Core State Standards-aligned RTI strategies for analyzing student errors and provides specif
For years, the teaching and learning of fractions has been associated with rote memorization. But this mechanical approach to instruction—which strips student
This popular text addresses the urgent need for curriculum materials that cross traditional boundaries to include many of the elements that are integrated in th
A Focus on Fractions is a groundbreaking effort to make the mathematics education research on how students develop their understanding of fraction concepts read
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