Curated OER
Using R&R to Teach Mathematics
Second graders create a shape garden. In this polygons lesson, 2nd graders practice making shapes using a geoboard and read the book The Greedy Triangle by Marilyn Burns. Students also design a shape garden using construction paper.
Curated OER
Rotational Symmetry
Students practice how to draw a line of symmetry inside a shape. In this symmetry lesson plan, students record the sides, lines of symmetry, and order of rotational symmetry for different shapes.