Investigating Middle School Mathematics Online
Henrico County Public Schools
Lesson Materials
Warm-Ups
Online Warm-up 1
Online Polygon Types
Warm-up PDF
Activities & Notes
Polygon Jeapardy
Practice
Homework PDF
Quiz PDF
Help Links
C.a.R. Help
GeoGebra Help
7.10
The student will identify and draw the following polygons: pentagon, hexagon, heptagon, octagon, nonagon, and decagon.
Directions
1) The
Red
points translate the polygon.
2) The
Blue
points rotate the polygon.
3) Place the 7 pieces together to form a square, then a triangle.
4) Place the 7 pieces together to form a rectangle that is not a square. This can be done 2 different ways.
Hands-On Activities
Mathcats
You will compare polygons with edges of the same length. Click on "Go to the Polygon Playground".
T/F Activity
NCTM Shape Sorter
NCTM Paper Activity
Other Web Sites
Mathleague
See examples of polygons.
ExploreLearning
Teachers have to assign the
Perimeters and Areas of Similar Figures
to their classes.
Larson´s Software
Students need to be enrolled by their teachers. Click on the
Geometry in a Plane
, then click on
Classifying Polygons
.
Lesson 4-2: Polygons
See the directions on the right
Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and activated. (
click here to install Java now
)
Created with GeoGebra, 2006.