Teacher Script & Notes
What to say / Spoken Script
A circle has several key parts. The perimeter is the circumference. The radius is the distance from the center to the edge. The diameter is a straight line across, passing through the center, which is twice the radius.
What to do / Action Guide
Display the circle, highlighting radius in blue and diameter in teal.
Pedagogical Tips
Emphasize that the ratio of circumference to diameter is always pi.
Step 1: Introduction
Step 1 of 1
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