How High is that Kite?

There is nothing quite like flying a kite on one of the first breezy days of spring. Is it possible to determine how high a kite is flying from a photograph? What would you need to know? If you were flying a kite, what tools could you use to determine its height?     [...]

By | 2017-11-13T22:02:02+00:00 March 21st, 2015|Algebra II, Geometry, Uncategorized|0 Comments

Just How Tall Was That Snowman?

You have to love people who make lemonade from lemons. A recent photo circulating in FaceBook made me envious, for just a fraction of a second, of the people in Boston who are dealing with the historic snow falls of the 2014-2015 winter. Snow Pit, South Boston, MA. 2015. Courtesy Bill McKay   The [...]

By | 2017-11-13T22:02:02+00:00 February 28th, 2015|Geometry, PreCalculus|1 Comment

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