
Circumference and Area of Circles

Circumference and area of
circles is presented in this unit. Students will also learn about
the parts of a circle. Try our sample lessons below, or browse
other units of instruction. 



Circumference
and Area 
Description 
Geometry
and the Circle 
To define
and identify points, line segments, planes, diameter, radius and
chord. 
Circumference
of Circles 
To define
circle, Pi and circumference. To understand that Pi is a constant
for any circle. To find circumference of a circle using the proper
formula. To relate circumference to reallife objects. 
Area
of Circles 
To find the
area of a circle using the proper formula. To find the radius or
diameter given the area. To relate area to reallife objects. 
Practice
Exercises 
To complete
10 additional exercises as practice. To assess students'
understanding of all circumference and area concepts learned. 
Challenge
Exercises 
To solve 10
additional problems that challenge students' understanding of
circumference and area. Word problems connect math concepts to the
real world. To hone students' problemsolving skills. 
Solutions 
To review
complete solutions to all exercises in this unit. Includes the
problem, stepbystep solutions, final answer and units for each
exercise. 
This unit is by Gisele Glosser. You can find me on Google.

