A deep dive into the area and circumference of circles.

The interactive tutorial explores the history behind Pi and how to find its value. Students use images of circular objects and find the diameter and circumference to obtain an approximate value of Pi. The resource has an interactive...

This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.

Lesson presents definitions of terms associated with circles and helps learners learn to use a compass to draw circles and simple circle designs.