Friday, April 30, 2010

Teaching Children Mathematics - Polygon Properties

Summary:

This article focuses on teaching elementary students, grades three through five, the properties of various polygons. The article starts by introducing the activity and explains why it is appropriate for the grade level at hand. It also goes into explain the standards and how the activity is associated to them. The activity gives students a group of many different polygons, both regular and irregular, with various numbers of sides. Students are to sort the shapes by number of sides or other contributing factor. The article explains how the activity can be adapted for other age levels and goes into detail explaining why it is important to teach properties of polygons at this age. Students were able to apply this activity to real life situations, for example, eating crackers that are quadrilaterals.

Application:

Overall, this is a good activity for students and it can be very beneficial when learning shapes and classifying objects. I would use this activity on students of a similar age because it seems appropriate, especially with the explanation of the standards involved. I think this activity is great but can be pretty short in a classroom. This can be used for measurement skills as well as, students can measure length of sides and angles of regular and irregular polygons. The article left out ways to apply this activity to other parts of math and overall seemed slightly repetitive. I feel that this activity should be a small activity of many put together, I would have liked to hear about more examples.

Rodrigue, P, & Robichaux, R. (2010). Polygon properties: what is possible?. Teaching Children Mathematics, 16(9), Retrieved from http://nctm.org/eresources/view_media.asp?article_id=9290

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