Watch a student think through a problem about how the area of a rectangle changes when both sides are increased by the same scale factor and use online tools to demonstrate understanding of concepts related to area and scale factors in this interactive from KET. Students use the Notes tool to respond to the video. They then complete a *Visualize It!* activity, a quiz, and a *Chart It!* activity to demonstrate their learning. This resource is part of the Math at the Core: Middle School Collection.

This resource is part of the Math at the Core: Middle School collection.

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