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Episode 403: Penguin Tears

Episode 403: Penguin Tears

Math TopicAngles in Bouncing
The Big Idea Balls that bounce all follow a simple rule - 'angle-in-equals-angle-out' - that you can master to make balls go just where you want, bounce after bounce.
NCTM LinksGeometry
Episode Description Hacker's secret quest continues, with the nefarious 'borg on the hunt for the next piece of his mysterious machine. His search for the legendary Prism of Penguia takes him to snowy Cyberia. While trying to stop Hacker, Digit and the kids are trapped in an icy cave and must master the principles of bouncing in order to break out. Can they escape in time or will Hacker's plan succeed?
For RealHarry Bounces Back
Harry dreads spending the afternoon with his obnoxious cousin Harley, whose aggression on the racquetball court leaves Harry cowering in the corner. The tables turn when they move to a billiards hall for a game of 8-ball. Remembering something he noticed in the racquetball court - that the angle into a bounce equals the angle out - Harry figures out how to bounce the cue ball off the rail to sink the 8-ball and win the game.
Math message: Balls that bounce all follow a simple rule - "angle in equals angle out"-- that you can master to make balls go just where you want, bounce after bounce.
Lesson Plan/ActivityBouncing Off the Wall
In this activity, students will use estimation to predict the angle of a bouncing ball.

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