Worksheet
Yummy Math

A Cardioid for Valentine’s Day

For Students 7th - 12th Standards
It's Valentine's Day in geometry class! Celebrate the day of love with a heart-themed activity in which young mathematicians create a cardioid on polar graph paper.
Lesson Plan
Curated OER

This House is Made of Mud: Exploring the Shapes in Our Lives

For Teachers K - 1st
Young scholars study about our dependence on the earth's resources for materials. They practice their knowledge of geometric shapes by recognizing them in the context of the story.