# Surf for More Math

## Lesson 6 - Circle Graphs

To encourage students to have fun on the Web
while learning about Circle Graphs, here are some games and interactive
activities they can do on their own or in pairs.

**Goal **

Interpret circle graphs.

**Builds Upon **

Student Book pages 66-67

### Instructions for Use

Circle
Graph lets students interpret the predefined data displayed on the
circle graph or enter their own data.

To use Circle Graph, choose a data set from the
pull-down menu, or type in the data in the data box. To enter your own
data, choose 'My Data' from the "select a data set" menu. Enter a title
in the 'Describe your data' text field. Enter your data in the 'Enter
the data' text field. Type in the numeric value first, followed by a
comma, and then the description or category. Click the 'Update Chart'
button to show the results. To clear all the data, click the 'Clear
Data' button.

Pie
Chart helps students create, organize, record and communicate mathematical
ideas using circle graphs.

To use Pie Chart, type the name of the categories to be displayed in
the 'Category' text field. Type the number of items for each category
in the 'Number' text field. Check the 'Show Key' box to show the categories
and colour legend below the chart. Click the 'Draw Chart' button to
show the circle graph. Click the 'Reset' button to clear the workspace.