FEATURES 
What Are You Assuming? Nadia Stoyanova Kennedy When students recognize and grapple with assumptions, they become better problem solvers. 
Defining Supports Geometry Michelle L. Stephan, George E. McManus, Ashley L. Dickey, and Maxwell S. Arb The process of developing definitions is underemphasized in most mathematics instruction. Investing time in constructing meaning is well worth the return in terms of the knowledge it imparts. 
What’s on Your Plate? Thinking Proportionally FREE PREVIEW! Sarah B. Bush, Karen S. Karp, Liz Popelka, and Victoria Miller Bennett The dietary guidelines illustrated on the USDA’s Choose My Plate diagram can also provide healthy portions of data analysis, health education, and cultural responsiveness. 
Coming Full Circle Sally K. Roberts and Viveka O. Borum Teacher candidates develop processes and proficiencies articulated in the Common Core State Standards for Mathematics by investigating connections between and among geometry concepts. 
Second Look: Connecting Geometry and Algebra
