Beth McCord Kobett is professor in the School of Education at Stevenson University, where she teaches and supports early childhood, elementary, and middle preservice teachers in mathematics education.  

Delise Andrews is the grades 3–5 Mathematics Coordinator for Lincoln Public Schools in Lincoln, Nebraska. 

Sorsha-Maria T. Mulroe is a mathematics coach at Running Brook Elementary School in Howard County, Maryland.  

Together along with Francis (Skip) Fennell and Karen S. Karp, they are the authors of Classroom-Ready Rich Math Tasks for Grades 4-5: Engaging Students in Doing Math (Corwin 2021).