Motions in Geometry |  |
Chapter DescriptionChapter 11 Motions in GeometryActivity Set 11.1 Locating Sets of Points in the Plane
Many geometric figures are described or defined as sets of points in a plane with certain conditions placed on them. Students will locate points on paper under specified conditions to discover perpendicular bisectors, angle bisectors, circles, and other surprising figures.
Just for Fun: Line Designs Activity Set 11.2 Drawing Escher-type Tessellations
Escher type drawings are constructed by altering polygons that tessellate. Altering the sides of various polygons will produce translation tessellations, rotation tessellations, and glide-reflection tessellations. These tessellations become "Escher-type" when artistic details and color are added to the basic design.
Just for Fun: Paper Puzzles—Paper Strip Cube, Folding Numbers in Order and Stepping through a Piece of Paper
Interactive Applet: TessellationsActivity Set 11.3 Devises for Indirect Activities
In this activity students will devise methods and simple instruments for measuring distances based on knowledge of similar triangles. Simple sighting techniques are illustrated and devices like the clinometer, hypsometer, and transit are constructed to measure distances and heights.
Just for Fun: Enlarging Drawings Elementary School Activity: Creating Escher-Type Tessellations
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