Khan Academy
Practice: Using Variables
A quick check of understanding is the focus in this short online quiz. Questions ask users to check out a short two- to four- line program and answer a question about the value of a variable. Get five questions correct in row to pass to...
Khan Academy
Challenge: Bucktooth Bunny
Practice creating and using variables by creating variables for the bunny's eyes and teeth in this JavaScript task. Use the slider above the number to see the power of using variables in your code.
Khan Academy
Challenge: Mickey Mouse Ears
My, what big ears you have! Novice JavaScript programmers adjust Mickey's ears to be proportional with his face and any changes to it. The key is to use variable expressions so that the values used are dependent upon the variable that...
Khan Academy
Challenge: H for Hopper
An "H" is just three rectangles when you are trying to draw them on a computer screen. After watching the previous Intro to Drawing video this online programing activity guides young coders to draw the letter "H" on the screen. Help and...
Khan Academy
Project: Ad Design
Let your young programmers' creativity and programming knowledge shine with this culminating activity. Coders put together everything they know about using text commands, drawing, and animation to create a unique ad. This activity could...
Khan Academy
Welcome to the Computer Science Platform
You don't need to know how to code in order to teach your students! Show them learning is a lifelong skill by learning along with them. Take this activity for example; the code is on the left, and the result is on the right. Can you...
Computer Science Unplugged
Harold the Robot — Thinking About Programming Languages
Get young programmers thinking about programming languages with an activity that asks class members to craft directions for one person (teacher, another adult, or a class mate) acting as a robot. Participants direct the robot to...
Computer Science Unplugged
You Can Say That Again! – Text Compression
Compression, the process computers use to store information, is the focus of a resource that presents two different stories that describe the concept of compression by eliminating repeated letters and replacing them with a pointer. The...