What a great exercise it would be for a child to figure out how to “model” this wall with only equilateral triangles and squares. This is exactly the kind of thinking that the writers of the Common Core Math standards illustrate in the draft of their Geometry Progression for Grades K-6, pp. 7, 11-12. Geometiles™ were used for the modeling task, as shown above….

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# Tag: Math in Everyday life

## Three sisters and their PJ’s

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## A Teachable Moment At The Top Of Filbert Street

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