[eamick]

On a related note… I am curious about a preferred definition of polygon. The progressions document does not address this definition at all. Are star polygons included? That is, polygons whose sides intersect at points other than their endpoints.

Thanks,
Emily

[eamick]

A wondering… How is the high school standard A-REI.6 different from the 8th grade standard 8.EE.8b?

A-REI.6 reads, “Solve systems of linear equation exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.”

I can’t find any substantive difference in the language of the standards, but I can’t imagine that there was no intended difference. Thanks.

[Author]

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