Geometry Lessons for Grade 6
Find areas of triangles and polygons, draw figures on the coordinate plane, build nets, and calculate the surface area and volume of right prisms. These lessons give each idea room for an interactive diagram, worked examples, and hands-on exploration.
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Altitude
An altitude is a perpendicular segment from a vertex to the opposite side or its extension.
Open lesson →Median
A median connects a vertex to the midpoint of the opposite side.
Open lesson →n-gon
An n-gon is a polygon described by a general number of sides n.
Open lesson →Distance Formula
The distance formula finds the length between two points on the coordinate plane.
Open lesson →Midpoint Formula
The midpoint formula finds the point halfway between two endpoints.
Open lesson →Cylinder
A cylinder has two congruent circular bases connected by a curved surface.
Open lesson →Cone
A cone has one circular base and a single vertex.
Open lesson →Sphere
A sphere is the set of all points in space the same distance from one center.
Open lesson →Surface Area
Surface area is the total area covering the outside of a solid.
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