Instructional Video2:05
Visual Learning Systems

Calculating the Area of a Circle

9th - 12th
In this video, the teacher explains how to determine the area of two pizzas using the formula for the area of a circle. This video is part of the 8-part series, Circles.
Instructional Video5:34
Mr. R.'s Songs for Teaching

Pi Day Fun! Pi Day Poems!

Pre-K - 4th
I wrote these to help my students celebrate Pi Day- Pi Day Limericks! 1. This constant can barely be beat, Like fruit pies it’s really so sweet, But I have to conclude, When you’re craving good food, Pi shouldn’t be something you eat… 2....
Assessment8:51
Mathed Up!

Pie Charts

8th - 10th
Representing data is as easy as pie. Class members construct pie charts given a frequency table. Individuals then determine the size of the angles needed for each sector and interpret the size of sectors within the context of frequency....