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Students use a die (6 or more sided) to come up with random lengths for the sides of a triangle. Then they have to decide if they could actually make a triangle with the measurements.You can cut pipe cleaners to different lengths so students can see if it works. For example use a 12-sided die and have pipe cleaner cut in lengths of 1-12 inches (3 of each length). One of the goals is to see if the students can come up with a formula on their own for deciding. Teacher can guide them to put them in order of short, medium, and long. But teacher should let the students come up with S + M > L. An extension of this is deciding if the triangle would a right, acute or obtuse triangle. Is there a formula that you could use? S^2+M^2=L^2 - Right S^2+M^2>L^2 - Acute S^2+M^2
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 2, as of 2013-03-27.
Not Rated Yet.