Julie Nurnberger-Haag (ORCID 0000-0002-3083-8846) has been a mathematics educator for 25 years and is currently an Assistant Professor of mathematics education in the School of Teaching, Learning & Curriculum Studies at Kent State University; e-mail: jnurnber@kent.edu. For seven years she was a mathematics teacher and instructional coordinator at a 1st-12th school for students with learning differences and has worked with teachers and librarians for mathematics professional development. In her current position she is a mathematics teacher educator and conducts research on the mathematical accuracy, affordances, and issues with resources used to teach mathematics, so that we can design better learning experiences for people from birth through adulthood. This research focus includes analysis of informal resources such as children�s books and formal resources designed for classrooms such as manipulatives, games, and other instructional tools.


Rashmi Singh (ORCID 0000-0001-5430-9167) is a Postdoctoral Associate at Boston University and currently working on MCLE project, email rsingh9@bu.edu. Her primary research interest is in probing students� and pre-service teachers� conceptions in different areas of K - 12 mathematics, and the factors (such as standards, instruction, lesson design, resources, assessments etc.) affecting the development of such understanding. She has taught high-school and college mathematics in India and USA.


Jamie L.W. Wernet (ORCID 0000-0001-6208-8966) is the Director of Learning and a secondary mathematics teacher at Lansing Christian School in Lansing, MI (email: jwernet@lansingchristianschool.org). She earned her PhD in mathematics education from Michigan State University. Her professional interests include student engagement and motivation to learn mathematics, algebra learning and instruction, informational learning experiences for students, and teacher collaboration.