slope triangle 5 videos
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Graphing from Slope-Intercept form
Pre-Algebra Graphing in Two Dimensions
Concept of slope and graphing lines using the slope and y intercept
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Area and Perimeter of Triangles
Pre-Algebra Introductory Geometry
Understanding why the area of a triangle is 1/2 base times height
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Similar Triangles
Pre-Algebra Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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Horizontal and Vertical Lines
Pre-Algebra Graphing in Two Dimensions
Equations and slopes of horizontal and vertical lines
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Polygons
Pre-Algebra Introductory Geometry
Naming polygons, classifying triangles, and classifying quadrilaterals