Lesson plan

Classify two-dimensional figures by examining their different attributes

teaches Common Core State Standards CCSS.Math.Content.5.G.B.3 http://corestandards.org/Math/Content/5/G/B/3

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Big Idea: Two dimensional figures have more than one name when they can be classified in more than one way. This task extends the concept of attributes of two dimensional figures from 4th grade. Students will use their previous knowledge of parallel lines, perpendicular lines, congruent sides, and right angles to identify major characteristics of quadrilaterals. In the task, students use fence pieces of different lengths to build a dog enclosure. This builds towards lessons where students classify quadrilaterals within a hierarchy and explain the relationship between these quadrilaterals. Vocabulary: attribute (property), two dimensional figures, quadrilaterals, parallel sides, perpendicular sides, congruent sides, set (of parallel sides), rectangle, square, parallelogram, rhombus, trapezoid, kite Special Materials: Task Manipulatives Sheet Scissors (for students to cut them out or to be prepared ahead of time) Rulers and Protractors (to help students be exact with right angles, congruent sides, and parallel sides) Optional: Task Recording Sheet