Browse lesson plans

Introduction to polar coordinates

The student will be introduced to the definition of polar coordinates, how to graph them, and how to compare them to rectangular coordinates.

Format: lesson plan (grade 9–12 Mathematics)

By vicky burlington.

Valentine geometry

Combine geometry construction skills with language arts and artistic ability.

Format: lesson plan (grade 9–12 Mathematics)

By Tanis Schick.

Walk the line

This lesson demonstrates the effects of changing the slope and y-intercept on the graph and equation of a line.

Format: lesson plan (grade 8–12 Mathematics)

By Carol Huss.

Resources on the web

Finding your way around: Graphing on the coordinate plane

In this lesson from Illuminations, students make their way around two-dimensional space in conceptually rich activities. The teaching activities are organized around two major conceptual categories: finding one's way around in the plane and using the plane... (Learn more)

Format: lesson plan (grade 3–4 and 6 Mathematics)

Provided by: Illuminations