Geometry Across the Curriculum

I use geometric drawing across the curriculum in several projects.  Below is an in-progress shot of an 8th-grader's design for a stained glass window, an assignment from my medieval history unit that incorporates symbolism along with geometric design. In world history, we use geometric drawing when studying Roman and Islamic mosaics, and students have the … Continue reading Geometry Across the Curriculum

No Wind, No Problem

My three-year-old is forever teaching me about determination (or "stubbornness," depending on the particulars).  This week, it was the kite he got in his Easter basket.  Every day, he's been looking out the window and declaring that it's really windy outside.  It is not.  Finally I caved and let him take it out.  Predictably, there … Continue reading No Wind, No Problem

Identify Geometric Shapes

Here's a little activity to wrap up our geometry study for the week.  Have your students consider the following drawing and try to identify as many polygons as they can.  If they need a little guidance, here are some possibilities... regular hexagons rectangles parallelograms rhombi other irregular quadrilaterals a multitude of triangles -- equilateral, isosceles, … Continue reading Identify Geometric Shapes