Joe Champion and Ann Wheeler
A classic manipulative, used since the 1960s, continues to offer opportunities for intriguing problem solving involving proportions.
Debra I. Johanning and James D. Mamer
Developing number and operation sense associated with fraction division is viewed from multiple perspectives: modeling, equivalence, and symbolism.
Anderson Norton, Jesse L. M. Wilkins, Michael A. Evans, Kirby Deater-Deckard, Osman Balci, and Mido Chang
Explore a new app that allows students to develop a more sophisticated understanding of fractions.
Amy E. Hunter, Sarah B. Bush, and Karen Karp
Consider this research-based intervention approach to ratio using concrete, semiconcrete, and abstract representations to help students who struggle with this concept.
Jenny Salls
Gain insight into students’ understanding of the concept of fraction as operator as well as their reliance on rote procedures to convert fractions to decimals.
Jennifer M. Tobias
When students have many tools, including context and common numerators, they develop mathematical proficiency.