Cheryl Tobey is a highly experience consultant whos work is primarily in the areas of formative assessment and professional development. Cheryl is a Corwin Mathematics consultant.
Page Keeley is an author, speaker, and consultant who works with school districts and STEM organizations throughout the U.S. and internationally in the areas of formative assessment and teaching for conceptual change. She recently retired from the
Sara Delano Moore is an independent mathematics education consultant at SDM Learning. A fourth-generation educator, her work focuses on helping teachers and students understand mathematics as a coherent and connected discipline through the power of deep understanding and multiple representations for learning.