ALEX Podcasts

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Percents 3: Percent Equations
Overview:
This podcast is part of a series on operations with percents. Designed with the middle school student in mind, it is a refresher on the basics of solving percent equations. The lesson also covers amount, base, and percent using the translation method. The podcast can be used as a lesson or as a supplement to a lesson. A suggestion would be to stop the lesson as it goes along and allow the students to work problems out themselves.

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Lip Balm Science
Overview:
This podcast is associated with the lesson plan, Lip Balm Science. The podcast shows the students creating lip balms, collecting data to test the lip balms and shows the results of the data collection.

Web Resources: Podcasts

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Writing & Solving Proportions
http://www.brainpop....
This animated video from BrainPOP explores writing & solving proportions. The high production value makes for an engaging video; there are also links to a related activity, game, and quiz.

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Over Ruled! (Proportions)
http://www.mathsnack...
A short video that describes ratios and proportions. Two besotted rulers must embrace proportional units in order to complete a bridge to unite their lands. It takes mathematical reasoning to deduce the problem, and solution, when engineers from Queentopia and Kingopolis try to build a bridge that meets in the middle of the river.