"Young children are naturally curious and observant, and enter school ready to connect their rich informal understandings about the world around them to their experiences in classrooms."
-Thomas Carpenter, Megan Franke, Nicholas Johnson, Angela Chan Turrou, and Anita Wager

Cognitively Guided Instruction (CGI) has helped hundreds of thousands of teachers better understand how their students think mathematically. Young Children's Mathematics, the newest addition to the CGI family of books, explores...