"Proving" Pi by Examining Circumference and Diameter Lengths
In this pi worksheet, 9th graders "prove" that pi is the ratio of the circumference of any circle to its diameter. This worksheet included a blank circle, line, and Cartesian coordinate system.
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Find Radian Measure by Dividing Arc Length by Radius
In an approach that meshes higher-level thinking with approachable methods, this presentation walks that fine line between mathematical rigor and applications with skill. Not only are the specific steps for finding the radian measure of...
6 mins 9th - 12th Math CCSS: Designed
Find the Circumference of a Circle
Solving for circumference is an easy as one, two, pi! Show your learners what pi is and how to use it in an equation. This second video in a series uses the circumference and the radius as a ratio to show that 3.14 is a constant in these...
4 mins 6th - 9th Math CCSS: Designed