| Lab Name | Rate, Ratio and Speed and Relationship between Quantities Using using traceroute to see how traffic is transferred between Internet Service Providers. | 
| Subject Area | Mathematics | 
| Grade | 8 and 9 | 
| Topic | Functions in tables, graphs and equations. | 
| Experiment Title | Using Traceroute to see how traffic is transferred between Internet Service Providers during a search of a webpage and also using the data gathered by analyzing the results. | 
| Hardware | Linux machines (ex laptop, raspberry pi). | 
| Software | COSMOS toolkit framework or https://traceroute-online.com/ | 
| Number of Sessions to teach the topic | 5-6 sessions. | 
| Educational standards to be addressed | CCSS.MATH.CONTENT.8.F.A.1 Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. CCSS.MATH.CONTENT.8.F.A.2 Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). CCSS.MATH.CONTENT.HSA.CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales. | 
| COSMOS concepts to be used for the lab | Internet service providers (ISP), routing, IP Addresses, traceroutes, response time, route hops. | 
| K12 Educational Goals (How the educational goals are achieved through teaching using the experiment, how the topic is connected to the COSMOS concepts used) | 
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| Short Description and Walk-through of the experiment | 
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| Testbed mapping of the experiment | The experiment can be extended by executing it into a COSMOS Toolkit using the traceroute after an analogy of the subway train hops were understood as an activity following the class discussion on Functions. | 
| Press this the START button to open the traceroute application. You can use the following link to find an IP address for a specific country. Follow the instructions on the worksheet to find the distance and the latency for each country. | |
| NGSS Lesson Plan | 
| Worksheet | 
| Other | 
© 2018 COSMOS Project. Created by Juditha Capa Damiao, Joseph F. Lamb School