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GEOMETRY KIT: The Montessori math materials are provided for individual and small group math activities to explore plane geometry and measurement at all levels. PROTRACTOR MATH TOOLS: These variety packs of colored Anglegs comes in different lengths that allow kids to build polygons of their choice. GEOMETRY RESOURCE: The math activity cards provide step by step instructions so that kids can work independently at home or in the classroom. The task cards are aligned to NCTM standards. EXPLORE EARLY MATH CONCEPTS: As they attached additional legs, students study polygon heights, calculate area and perimeter, and find center points. Math angle strips are easy-to-manipulate, adjustable so that they can be snapped together. SHAPE GEOMETRY: Snap together the AngLegs that comes in 6 lengths and 6 colors to create a multitude of different geometric shapes like triangles, squares, polygons, and rectangles. The AngLegs measures from 2 to 6 inches.