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Packets and Making a Reliable Internet
That's not what I said! My message did not arrive in the correct order! Introduce the concept of packets and the transmission control protocol used to send and receive information over the Internet. The class participates in an...
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Algorithms Detour - Minimum Spanning Tree
This optional lesson introduces the class to the idea of a minimum spanning tree. The activity focuses on determining an algorithm that will find the most efficient path in a network to transfer data.
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Algorithms Detour - Shortest Path
Young programmers investigate the Single Source Shortest Path problem by working in paris to devise their own algorithm. They then progress to using Dijkstra's Algorithm to solve the problem.
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How Routers Learn
Your routers don't seem to be routing correctly. To figure out why, pupils act like routers, talk to their direct connects in order to determine as much information about the simulated network as possible. As they learn more about...
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Practice PT - The Internet and Society
Speaking of the Internet. The culminating lesson for the unit on the Internet challenges pupils to prepare short, two-minute speeches on an issue facing society. The pupils chose from three topics that connect the Internet and...
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Bytes and File Sizes
A bite of bits. The first lesson in a unit of 15 introduces the class to the byte. Pupils learn about other standard units for measuring file sizes, develop an understanding of relative sizes and the kind of units used to measure...
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Text Compression
The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...
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Encoding B and W Images
Imagine drawing with zeros and ones. The third lesson plan in a unit of 15 introduces the class to creating black and white images. Pairs get together to create an encoding scheme in order to make these images. They move on to...
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Lossy Compression and File Formats
I'm compressed. Groups do a rapid research of different file types to determine what kind of compression the formats use and how it works. They share their information with the rest of the class until everyone has all the information for...
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Practice PT - Encode an Experience
Encoding What I did Last Summer. Class members develop a way to encode a personal experience using a top-down approach to determine components and sub-components of their experience They then pick one portion of the experience and go...
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Finding Trends with Visualizations
Pupils often hear about trends, but they don't always see them. The eighth lesson in a unit of 15 requires individuals to use the Google Trends tool. Class members identify patterns in the visualization before presenting the patterns...
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Check Your Assumptions
Always check your assumptions when interpreting data and data visualizations. That's the take away from this exercise. Class members examine a failed project that looks at search trends to predict flu outbreaks and consider the...
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Good and Bad Data Visualizations
Good versus bad data. Pairs rate online collections of data representations from good to bad and then suggest ways to improve the visualizations. The class then creates a list of best practices and common errors in data representations...
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Discover a Data Story
"Data is so boring, there's no way to find any patterns in them." Or is there? Pairs investigate data sets using different data visualization tools to discover a trend that may exist in a data set. Once they find a trend or...
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Cleaning Data
"Clean the data!" "I did not know it was dirty." Introduce your class to the process of cleaning data so that it can analyze it. Groups work through a guide that demonstrates the common ways to filter and sort data. Pairs then...
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Making Data Visualizations
Relax ... now visualize the data. Introduce pupils to creating charts from a single data set. Using chart tools included in spreadsheet programs class members create data visualizations that display data. The...
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Creating Summary Tables
Let the computer summarize all that data. Pairs work together to learn how to create pivot tables by following directions in the online module. They then utilize the data collected from the beginning of the unit to create their own...
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Practice PT - Tell a Data Story
Show your class how it all comes together. The last instructional activity in a unit of 15 has individuals take everything they learned in the data section to analyze the class-generated data. The pupils find a story they want to tell...
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The Need for Programming Languages
LEGO see if you can recreate my design. Individuals build an arrangement from LEGO blocks and write directions for someone else to follow in order to recreate the arrangement. Pairs then swap directions and try to...
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The Need for Algorithms
Pairs work through two scenarios that require them to generate an algorithm. The first activity requires pairs to define a common language to use; the second comes with the language. The pairs then must determine how to code the...
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Using Simple Commands
Turtles might be slow, but class will zoom by when your pupils build a program in which reptiles draw a grid. Using App Lab and JavaScript, class members build a program to find the most efficient way to draw an image of a...
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Creating Functions
Quit repeating yourself ... you can make this simpler! Rather than repeating the same set of code over and over, class members learn to build and call functions in a series of challenges in App Lab. In the end, they combine...
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Functions and Top-Down Design
Let me break it down for you! Introduce your class to a way of breaking up a complicated task into its component pieces. Individuals draw a complex figure using JavaScript and then break it down to help determine the...
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APIs and Using Functions with Parameters
Introduce your class to the API, a reference guide that lists and explains the functionality of programming language. Using JavaScript, individuals draw complex designs that require additional commands and parameters defined in the...