Points, Lines, and Planes

Terminology and Symbols The concepts of points, lines, planes, line segments, and rays are crucial for creating a great foundation on which to understand Geometry. The symbolism is particularly important. Geometry starts with three undefined terms - words with no formal definition but with a common agreement of what they are. A Point is a place [...]

By | 2017-11-13T22:02:01+00:00 July 13th, 2015|Geometry|0 Comments

Let’s Go Fly a Kite!

Build Your Own Kite.pdf contains a printable version of the graphic above for classroom use. How High is that Kite? can help start a discussion on flying kites. Similar Kites asks students to find the measurements for a smaller and a larger kite. In the video and photo from How High is that Kite? the kite's string was completely [...]

By | 2017-11-13T22:02:02+00:00 March 21st, 2015|Geometry|2 Comments

How Far is it Around that Circle?

Materials:  Compass, ruler, paper, string, Geometer’s Sketchpad. Activity 1: Open your compass approximately 2 inches and construct a circle. Without changing the opening of your compass, mark off equal lengths around the outside of the circle. Draw segments between consecutive marks on the circle. What type of figure have you constructed? _____________________ Do the last [...]

By | 2017-11-13T22:02:03+00:00 January 20th, 2015|Geometry|0 Comments