Curated OER
Lisa Simpson and Math
In this algebra worksheet, students ponder life's questions presented in several episodes of The Simpson's. They calculate the square root of 1 million and verify known facts concerning pi. There are 9 questions.
Curated OER
Pi Day
Ninth graders explore the concept of pi in preparation for developing a project for pi day. They examine direct variation, the history of pi, circle circumference and arc length, area and sector area and then consider how these concepts...
National Council of Teachers of Mathematics
Nctm: Illuminations: Circle Area
Explore what the relationship the radius has to the area of a circle. Click the instructions to learn how to use this interactive resource and select"Exploration" for more ideas.