grade 8
Fun With Zooming Number Lines in Grade 8

Fun With Zooming Number Lines in Grade 8

May 21, 2018

By Charles Larrieu Casias The number line is an anchor representation that threads through the entire middle school curriculum. For this blog post, I want to focus on a creative use of the number line in grade 8 to explore...

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On Similar Triangles

On Similar Triangles

May 7, 2018

By Ashli Black The fact that a line has a well-defined slope—that the ratio between the rise and run for any two points on the line is always the same—depends on similar triangles. (p.12, 6–8 Progression on Expressions and...

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