Texas Education Agency
Texas Gateway: Geometric Properties of Angle Relationships in Polygons
Given numerical and/or geometric patterns that represent geometric properties of angle relationships in polygons, the student will investigate patterns to make conjectures about interior and exterior angles of polygons.
Texas Education Agency
Texas Gateway: Algebraic Expressions to Represent Geometric Polygon Properties
Given numerical and/or geometric patterns that represent geometric properties of polygons, the student will develop algebraic expressions that represent the geometric properties.
Books in the Classroom
Carol Hurst's Children's Literature Site: Patterns and Picture Books
CarolHurst.com provides a sample chapter from Picturing Math, which teaches geometric concepts using picture books and activities.
National Council of Teachers of Mathematics
The Math Forum: Making Patterns
Explore the literature connections, online activity, pencil and paper activity, and the manipulative investigation of patterns and geometric shapes on this page!
University of Cambridge
University of Cambridge: Nrich: Doplication
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
Texas Education Agency
Texas Gateway: Algebraic Expressions to Represent Angle Properties in Circles
Given numerical and/or geometric patterns that represent angle relationships in circles, the student will investigate inscribed angle relationships.