Teaching Tolerance
Understanding Online Searches
Discover what's behind an online search. Scholars read a handout and engage in discussions to learn how to critically evaluate online search results. Then, working in small groups, they create posters listing their demands for search...
TryEngineering
Search Engines
Introduce search engines with an activity that models how search engines work and the different algorithms they employ. Working in groups, class members then build search queries to demonstrate the knowledge learned.
Curated OER
Understanding Computer Images
Ninth graders explain differences between bitmapped images and vector images. They calculate pixels and transpose the raw file size to bits, bytes, and kilobytes. They compare formats for displaying images on a Web page.
Computer Science Unplugged
Beat the Clock—Sorting Networks
Can multiple computers sort a list faster than one? Using a network drawn with chalk outside, groups move through the decision network to sort numbers. A series of extension questions come with the lesson and can be used in the same...
Alabama Learning Exchange
Fun with Problem Solving
Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...
Computer Science Unplugged
Phylogenetics
Introduce your class to the concept of creating phylogenetic trees by playing a game of Telephone. Participants create a mixed-up message and through the use of distance matrices, the evolution of the message is recreated.
Curated OER
Computer Passwords
Students determine an appropriate numerical representation of a problem situation, including roots and powers. They determine an appropriate number of digits to represent an outcome. Pupils are asked to determine how many years it...
Massachusetts Institute of Technology
Mit: Open Course Ware: Introduction to Algorithms
A complete course on algorithms presented at the college undergraduate level. The course includes video lecture, course materials, assignments and exams. Answer keys are provided for all assignments and exams.
Khan Academy
Khan Academy: Expressing an Algorithm
Practice computer science problems expressing algorithms.
Other
The Stony Brook Algorithm Repository
A comprehensive collection of algorithm implementations for fundamental problems in combinatorial algorithms. Provides algorithms for common programming problems. It also provides pointers on how to implement those algorithms in various...
Kent State University
Rashid Bin Muhammad: Design and Analysis of Algorithms
This site contains the lecture notes from Dr. Muhammad's course on algorithm design and analysis.
University of Canterbury
University of Canterbury: Cs Unplugged: Sorting Algorithms
Many clever algorithms have been devised for sorting values into order efficiently. For this activity students compare different algorithms to sort weights to simulate how computers devise sorted lists.
Other
Algorithms: Big Oh Notation
An in-depth look at the algorithm measurement tool known as Big-O.
University of Canterbury
University of Canterbury: Cs Unplugged: Searching Algorithms
Explore the main algorithms that are used as the basis for keyword searching on computers, using different variations on the game of battleships.
Khan Academy
Khan Academy: Get Started With Algorithms!
What is an algorithm? It's a sequence of steps that you follow to solve a problem. In everyday life, you might have an algorithm for hanging up your laundry, efficiently going through a shopping list, or finding an empty parking space in...
Carnegie Mellon University
Carnegie Mellon: A Library of Parallel Algorithms
A page for accessing code for a collection of parallel algorithms.The algorithms are implemented in the parallel programming language NESL and developed by the Scandal project. There is a brief description along with its complexity (in...
TED Talks
Ted: Ted Ed: What's an Algorithm?
An algorithm is a method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorithms. David J. Malan explains how algorithms can be used in seemingly simple...
Khan Academy
Khan Academy: The Building Blocks of Algorithms
Learn the building blocks of algorithms in computer science.
Khan Academy
Khan Academy: Expressing an Algorithm
Learn how to express an algorithm many ways, including natural language, flow charts, pseudocode, and of course, actual programming languages.
Khan Academy
Khan Academy: Divide and Conquer Algorithms
Learn about two sorting algorithms: selection sort and insertion sort.
Khan Academy
Khan Academy: Expressing an Algorithm
Check your understanding of expressing simple algorithms in flow charts, natural language, and pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.
Other
University of Texas: Fundamentals of the Analysis of Algorithm Efficiency [Pdf]
A textbook chapter with an in-depth discussion of the analysis of algorithm efficiency, presented as a collection of slides.
Khan Academy
Khan Academy: Properties of Recursive Algorithms
Find out about the properties of recursive algorithms.
Khan Academy
Khan Academy: Measuring an Algorithm's Efficiency
Practice measuring the efficiency of an algorithm both by counting steps and tracking time.
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