Investigating Middle School Mathematics Online
Henrico County Public Schools
Lesson Materials
Warm-Ups
Online Warm-up 1
Warm-up PDF
Practice
Online Practice 1
Online Homework 1
Online Homework 2
Quiz PDF
Online Quiz
Help Links
C.a.R. Help
GeoGebra Help
7.7 The student, given appropriate dimensions, will apply perimeter formulas in practical situations.
Directions
1. What are the two geometric shapes used to create this figure?
2. How many of each shape is used to complete the figure? Hint: Move slider b all the way.
3. Move slider a few times. What part of the figure is equal to slider a?
Online Practice
Practice 1
Practice 2
Hands-On Activities
Shodor
An interactive model that explores the perimeter of different shapes.
Explore a Complex Figure
Other Web Sites
Regentsprep
Notes with some practice problems.
ExploreLearning
Teachers have to assign the
Minimize Perimeter
to their classes.
Larson´s Software
Students need to be enrolled by their teachers. Click on the
Geometry in a Plane
, then click on
Perimeter
.
Lesson 3-2: Applying Perimeter Formulas
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 by Rachel Valcin, Spring 2007.