Burkhart, a math teacher who works with gifted students and provides professional development, offers advanced Common Core math explorations for students in grades five through eight that focus on students doing the thinking. He presents a teacher's guide that includes teaching and motivation strategies, ideas for developing mathematical communication skills, suggestions for managing classroom conversation, and examples of implementing the explorations in different settings, then explorations related to ratios, proportions, and similarity, with description of what students should know and what they will learn, lists of observations and questions to support conversation, samples of multiple thinking strategies, and examples of classroom discussions, as well as an assessment tool and a table of connections to the Common Core State Standards for Mathematical Practice. Annotation ©2016 Ringgold, Inc., Portland, OR (protoview.com)