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Professional Development Teacher Resources
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Learners discover a method for determining the slope of a line by creating and comparing similar triangles. They fold coordinate grids to make three similar triangles then measure the sides to compare the relationships between the triangles. The slope equation or rise over run is developed from these relationships.
Students engage in a professional development workshop for teachers in the delivery of curriculum about the era of the 1960's. The emphasis of the workshop is using popular culture of the time in order to launch investigations that are student centered and highly engaging.
Middle schoolers use coordinate grids in order to determine the size of polygons. They construct the polygons using coordinate pairs and clues that are given to guess quadrant locations of other points. Pupils also graph coordinates that have mirror images and opposite values.
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same proportion by measuring with their rulers.