The Greedy Triangle
Objective: Students will learn to identify different polygons.
Materials: The Greedy Triangle by Marilyn Burns and computer with Internet connection.
Book Overview: A triangle is bored with it's life of only three sides. The local shapeshifter changes the triangle into polygon after polygon but the triangle discovers it was happier with its three sides.
Introduction: The teacher will begin by reading The Greedy Triangle. She will lead students into a discussion of many sided figures and explain and introduce the term polygon.
Web Activities: Students will visit Geometry web site. They will go to Polygon section and choose "Other Polygons". Here, they will read about polygons then take the quiz. This quiz will be printed out and used for assessment.
Additional
Links:
Polygon Web Game -
this web game asks students to determine the number of sides
Polygon Thinkquest
- this site was created by students and takes about what a polygon
is.
Polygon Web Game 2 - this
site asks students to identify the polygon when given the number of
sides
Assessment:
Students can take the Geometry Tutorial and take the quiz at the bottom of
the homepage: Elementary
Geometry.
Home Learning:
Students
will draw and identify 5 polygons.
