| Interpreting Change in Line Graphs |
| Use a line graph to picture change and your eyes can quickly tell you when and how things are changing. |
| Algebra
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Statues of Hacker are popping up all across Cyberspace. It's his latest scheme - art therapy! Heartbroken after losing to the kids yet again, Hacker throws himself into sculpture and gives his work away. Problem is, wherever one turns up, the power goes off. The CyberSquad investigates to see what's causing all these changes. Is Hacker back to his old tricks? Or has he finally had a change of heart? And what's with the sparkly purple dots on the sculptures?
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Harry the Hoser
Harry has decided to pursue his dream of becoming a firefighter. In order to pass the qualifying exam, he puts himself on a rigorous training regime, including practice sessions on the stepmill machine. Using line graphs to chart his progress, he is able to reach the target rate that will enable him to pass the stepmill test. But he didn't realize he'd have to take the test weighted down by full firefighting gear! Although Harry fails the exam, he shows a real knack for interpreting line graphs.
Math Message: Use a line graph to picture change and your eyes can quickly tell you when and how things are changing.
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Fill 'Er Up
Students make and compare line graphs as determined by the shapes of different bottles, and make predictions about which bottles match which graphs.
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