Geometry activity books are engaging resources that present stimulating activities to help students practice geometry skills taught in the classroom. BrainBuilders mathematical activity books are based on standards set by the National Council of Teachers of Mathematics (NCTM) to help students succeed in the math classroom. Every book features six sections, each highlighting a different aspect of the math curriculum. Activities offer easy-to-follow directions as well as skill definitions and examples. Many of the activities feature kid-friendly fun facts designed to show how math exists in the real world. Standards-based high-quality nonfiction, Pre- and post-assessment tools, Diverse reproducible activities printed on perforated pages, andTeaching tips throughout. All books are 8-1?2" x 11" and 48 pages.