Compare the graph of a circle with its equation. Vary the terms in the equation and explore how the circle is translated and scaled in response.
Circumference and Area of Circles
Resize a circle and compare its radius, circumference, and area.
As factory belt operator, your job is to move boxes just the right distance on the belt, so they can be stamped for delivery. Your only controls are the radius and rotation of the belt’s...
Chords and Arcs
Explore the relationship between a central angle and the arcs it intercepts. Also explore the relationship between chords and their distance from the circle's center.
Resize angles inscribed in a circle. Investigate the relationship between inscribed angles and the arcs they intercept.
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About STEM Cases
Students assume the role of a scientist trying to solve a real world problem. They use scientific practices to collect and analyze data, and form and test a hypothesis as they solve the problems.
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STEM Cases take between 30-90 minutes for students to complete, depending on the case.
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