Unit Plan
Khan Academy

Khan Academy: Praxis Core Math: Circles Lesson

For Students 9th - 10th
A basic review of circles and how to calculate the circumference, radius, diameter, and area. Includes practice questions.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G C Right Triangles Inscribed in Circles I

For Teachers 9th - 10th Standards
This task provides a good opportunity to use isosceles triangles and their properties to show an interesting and important result about triangles inscribed in a circle with one side of the triangle a diameter. The fact that these...
Lesson Plan
Homeschool Math

Homeschool Math: Circles

For Teachers 4th - 6th
Lesson presents definitions of terms associated with circles and helps pupils learn to use a compass to draw circles and simple circle designs.