Master Teacher lessons

Big Idea:
Algebra is built on axioms and definitions and relies on proofs just as much as geometry.

Big Idea:
This real-life application will help students develop the meaning of the slope concept.

Big Idea:
This lesson shows how to approach writing the equation of a line using multiple methods.

Big Idea:
Students will use formulas to represent growth rate in various sequences.

Big Idea:
This problem from NPR's Car Talk is engaging, challenging, and mathematically rich!

Big Idea:
It's not so much about the shortcut as it is about the structure it reveals!

Big Idea:
Students will apply their knowledge of multi-step equations to solve linear inequalities.