Sophia Learning
Sophia: Binary Code
The video lesson introduces students to the binary code. The concept is defined and examples are provided.
TED Talks
Ted: Ted Ed: How Exactly Does Binary Code Work?
Every time you use the Internet to watch a movie, listen to music, or check directions, that's exactly what your device is doing, using the language of binary code.
University of Canterbury
University of Canterbury: Cs Unplugged: Binary Numbers
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.
National Council of Teachers of Mathematics
Nctm: Figure This: Bar Codes
An exploration of the binary system using U.S. postal zip codes. Discover what numbers the long and short bars in a zip code represent in this one page activity from the NCTM Math Challenges for Families collection.
University of Illinois
University of Illinois: Mste: The Binary Calculator Applet
The binary number system is used to represent data in digital form. This site provides a binary calculator that will convert between binary, octal, decimal and hexadecimal, perform simple addition and subtraction, and do compliment and...
Math Is Fun
Math Is Fun: Binary Fingers!
Learn how to count in binary using just your fingers and how this skill can help you in arithmetic. Includes a set of practice questions.
University of Canterbury
Cs Unplugged: How Binary Digits Work
Learn why we have different number systems and expolre binary digits.
Khan Academy
Khan Academy: Binary Numbers
An overview of the binary number systems in computer science.
Khan Academy
Khan Academy: Binary Numbers
Practice converting between binary numbers and decimal numbers in this set of free practice questions designed for AP Computer Science Principles students.
Code.org
Code.org: Cs Fundamentals: Course C
Create programs with sequencing, loops, and events. Translate your initials into binary, investigate different problem-solving techniques, and learn how to respond to cyberbullying. At the end of the course, create your very own game or...
Khan Academy
Khan Academy: Hexadecimal Numbers
Practice converting hexadecimal numbers to binary and decimal numbers, in this set of practice questions designed for AP Computer Science Principles students.
University of Canterbury
University of Canterbury: Cs Unplugged
A collection of free learning activities that teach computer science through games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to computational thinking through concepts such...
Khan Academy
Khan Academy: Lossless Bit Compression
Computers represent all data in binary, so all types of files, from text to images to videos, are ultimately sequences of bits. Regardless of whether the bits represent a document or a GIF, computers can use a bit compression technique...
Khan Academy
Khan Academy: Logic Gates
Check your understanding of how AND/OR/NOT logic gates output 0 or 1 based on inputs.
Khan Academy
Khan Academy: Number Limits, Overflow, and Round Off
Check your understanding of number precision, overflow errors, and roundoff errors in computer programs.
Read Works
Read Works: Digitized Signals Are the Future of the Black Box
[Free Registration/Login Required] An informational text about the black boxes on airplanes being replaced with more reliable digital signals. A question sheet is available to help students build skills in reading comprehension.
Khan Academy
Khan Academy: Additional Programming Projects
Here are links to 10 projects in our Intro to JS: Drawing & Animation curriculum. Each project is an opportunity for students to be more creative and free-form with their newfound programming knowledge.
Khan Academy
Khan Academy: Xor Bitwise Operation
If you've seen the lesson on the one-time pad, you know that it is the ultimate shift cipher. It involves the application of a random list of shifts equal to the length of the message. It's important to understand exactly how and why the...