Elementary

Elementary (X) - Circles (X)

Sir Cumference and the Isle of Immeter

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When young Per visits her uncle Sir Cumference, aunt Lady Di of Ameter, and her cousin Radius, they teach her how to play Inners and Edges. After Per finds a clue linking the game to the mysterious castle of the Countess Areana, she and Radius sail to the island of Immeter. There, they have to decipher cryptic clues while avoiding a sea serpent. To unlock the island's secret, Per has to figure out how to find the perimeter and area of a circle. Only then can she become Per of Immeter.


Sir Cumference and the Isle of Immeter

Sir Cumference and the First Round Table

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What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. With the help of the carpenter, Geo of Metry, this sharp-minded team designs the perfect table conducive to discussing the perfect peace plan. Thanks to Sir Cumference and the First Round Table, even the most hesitant will be romancing math.

Sir Cumference and the First Round Table

Sir Cumference and the Dragon of Pi

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When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.


Keywords: king, heir, geometry, math, quest, puzzles, dragon

Sir Cumference and the Dragon of Pi

Urban Planner

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A professor and graduate student talk about the use of math and technology in city planning.

Circumference and Area of Circles: Labeling Parts of a Circle

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Radius, diameter, center, and circumference--all are parts of a circle. Let's go through each and make sure we understand how they are defined.