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 were in a random order?

Use sequential and binary search strategies to figure out who has your favorite book.

Variables allow for a lot of freedom in computer science. This lesson helps to explain what variables are and how we can use them in many different ways. [1:43]

This content package is a curated collection of STEM instructional resources to support the introduction and exploration of programming and robotics in grades 3-5. Resources include lesson plans, engagement activities, ebooks, digital texts, and videos.

Through videos and learning activities, students use programming language knowledge and logical thinking skills to divide problems into steps to be solved by a computer.

We live in a world run by algorithms, computer programs that make decisions or solve problems for us. In this riveting, funny talk, Kevin Slavin shows how modern algorithms determine stock prices, espionage tactics, even the movies you watch. But, he asks: If we depend on complex algorithms to manage our daily decisions- when do we start to lose control? [15:07]

Through videos and cooperative learning, students to are introduced to algorithmic thinking within a popular field in graph theory, social networking.