University of Canterbury: Cs Unplugged: Sorting Algorithms

This unit introduces students to some of the building blocks of how computers work without using a computer at all. The lessons keep students actively involved in communication, problem solving, creativity, and thinking skills in...

Explore the main algorithms that are used as the basis for keyword searching on computers, using different variations on the game of battleships.

With this lesson, educators can teach the binary system to anyone who can count. Using this approach, many adults are also excited when they finally understand what bits and bytes really are.

This activity explores how images are displayed, based on the pixel as a building block using data compression. The compression method used in this activity is based on the one used in fax machines, for black and white images.

Imagine 31 numbers have been organized in ascending order in a list by a computer program. Now the program has to find a number in the list, but it can only look at one number at a time. Is it easier to find the number now, than if they...

This unit and lessons explores how digital devices detect and correct errors in data, and why sometimes computers can detect errors, but don't have enough information to correct them.

This unplugged instructional activity brings the class together as a team with a simple task to complete: get a "robot" to stack cups in a specific design. This activity lays the groundwork for the programming that students will do...