Sara Delano Moore lives in Kent, Ohio and serves as the Vice President for Content & Research at ORIGO Education.  A former classroom teacher and mathematics teacher educator, her work emphasizes the power of connecting multiple representations for deep learning and the importance of mathematical comprehension.  Her desert island manipulative is Cuisenaire™ Rods.

Kimberly Rimbey hails from Phoenix, AZ, where she works as the Director of Mathematics for a local school district as well as the Chief Learning Officer and CEO for her own company, KP Mathematics. She is passionate about making math meaningful for all students, especially through the use of multiple representations and communication. When working in math classrooms, her basic look-for is this: “Whoever’s doing the most talking is doing the most thinking.”

Sara and Kim are the co-authors of Mastering Math Manipulatives: Hands-On and Virtual Activities for Building and Connecting Mathematical Ideas for grades K-3 and 4-8 (Corwin, 2021).