Family Project: Puppet Show 

We have just returned from our annual week on Lake Huron with my family. Most families enjoy just hanging out on vacation, but we are not most families. For us, family time is project time. We paint and draw and quilt and crochet and dance and make pinatas and Chinese dragons and have masquerades and … Continue reading Family Project: Puppet Show 

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Tessellation Tip

In order to keep them from crawling up the walls in their last week before summer vacation, I've given my seventh graders a tessellation project.  There are about ten million youtube videos explaining how to do this, so I won't bore you with the basics.  Instead, I'll just tell you about my struggles and how … Continue reading Tessellation Tip

Pythagorean Theorem

In over our heads with radicals in 8th grade Algebra this week, so we took some time to review the Pythagorean Theorem.  Geometry is so beautifully concrete.  In addition to demonstrations you can do with drawings and such, here's an example of a very cool model that my 8th graders found wonderfully entertaining.   As … Continue reading Pythagorean Theorem

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

Construct a Hexagon

The construction for a regular hexagon is a favorite of my students every year and the one most of them choose as a basis for their geometric design project.  We are simply going to begin with a line and use our compass to draw three congruent circles along it.  Start with the center circle. Mark … Continue reading Construct a Hexagon

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