# Surf for More Math

## Lesson 7 **- Changing the Scale on a Graph**

To encourage your child to have fun on the Web
while learning about Changing the Scale on a Graph, here are some games
and interactive activities they can do on their own or in pairs.

**Goal**

Describe how changing the scale changes a line graph.

**Builds Upon**

Student Book page 87

### Instructions for Use

** **

Bar
Graph** **lets your child change the scale on a graph
and interpret data displayed on the bar graph.

To use Bar Graph, choose a data set from the pull-down menu, or type
in the data in the data box and click the 'Graph Data' button. By dragging
the 'Bar Width' scrollbar, your child may alter the thickness of the
bars. By dragging the vertical scrollbar, your child may adjust the
scale of the graph or simply input maximum and minimum values into the
text fields. Then click the 'Set Min and Max' button. To change the
colour of the bars, select the bar colour from a drop-down menu. To
clear all the data, click the 'Clear Data' button.