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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei: Braking Distance

For Teachers 9th - 10th
The purpose of this task is to give an application arising from a real-world situation, determining braking distance, in which a quadratic equation arises. In this scenario, it is natural to use a graphical method to find an approximate...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F If, a Rei Springboard Dive

For Teachers 9th - 10th
This problem is about the changing height of a diver en route to the water. It gives students experience translating questions about a real-world context into mathematical questions about a quadratic function and then answering those...