Teaching young children to create equal-size groups is your treasure map for building students' flexible, connected understanding of and reasoning about ratios, fractions, and multiplicative operations.
An assistant professor of mathematics education at the University of North Carolina at Greensboro, P. Holt Wilson, firstname.lastname@example.org, is interested in supporting teachers in learning and using mathematics learning trajectories in their practice.
Marrielle Myers, email@example.com, teaches at Southeast Raleigh Magnet High School in Raleigh, North Carolina, and is a graduate student at North Carolina State University (NCSU).
Jere Confrey, firstname.lastname@example.org, is a Distinguished Professor of Mathematics Education at the Friday Institute in the College of Education at NCSU. As research director for Diagnostic E-Learning Trajectories Approach (DELTA), she led development of the equipartitioning learning trajectory.