Showing posts with label Ivan43. Show all posts
Showing posts with label Ivan43. Show all posts

Wednesday, March 24, 2010

Circle Graphs

A circle graph is a graph that represents data using sections of a circle.
Sector - A section of a circle formed by 2 radii and the arc of the circle connecting by 2 radii.




Eg. Circle Graph, favourite N.F.L teams


General

This is more specific




how many were asked? 5oo

Pets of students in Mr. W's class ( 24 students )



Questions.

1) What is the title of the graph? Pets of students in Mr. W's class ( 24 Students )

2) What are the different catagories of the graph? cat, dog, other, no pets.

3) How many percent of the class has a dog? 25%
How many students have a dog? 6

4) How many percent of the class has a cat? 33%
How many students have a cat? 8

5) What percent of the circle is represented by all sectors? 100%

Pages 290-291

http://ebook.mytextbook.ca ( just sign in if you're not finish. )

Link for Circle graphs.

http://cstl.syr.edu/fipse/tabbar/ReadCirc/REVCIRCL.HTM

Video;

http://youtube.com/watch?v=FfpUUAxQcPA

Sorry, just go to the link. it wouldn't let my upload it.
By the way, tell me what i need to improve on. Thaanks :)