Curated OER
Is it a Polygon?
Second graders investigate polygons. In this geometry instructional activity, 2nd graders practice identifying characteristics of polygons on the overhead using a T-45 calculator display. Students play the game "Guess My Rule" to...
Curated OER
Geometry: Cut, Construct, Think
Learners identify the properties of polygons. In this geometry lesson, students cut out shapes try to construct polygons. Learners analyze the shapes and fill out a table of characteristics.