Lesson plan

Recognize and generate quadrilaterals by their attributes

teaches Common Core State Standards CCSS.Math.Content.2.G.A.1 http://corestandards.org/Math/Content/2/G/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3

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Big Ideas: Geometric attributes (such as sides and angles) give descriptive information about a shape’s properties and orientation, which supports visualization and problem solving. In this lesson students will learn to identify and generate quadrilaterals by their geometric name. Students recognize that the position of sides and angles helps identify and classify a quadrilaterals. This lesson builds on a student's prior knowledge of definite geometric attributes, such as the type of lines, number of angles, angle size, and the number of sides to recognize shapes. In this task students are asked to help create quadrilateral stuffed animals for the kids of Shapletown. The shapes needed for the stuffed animals have specified attributes. This lesson sets the foundation for identifying various groups of 2 dimensional shapes by more specific attributes. Vocabulary: polygon, straight, line, side, angle, right angle, quadrilateral, square, rectangle, rhombus, parallelogram, trapezoid Special Materials: dot paper graph paper (optional) geoboards and rubber bands (optional)