Curated OER
Binary Code,
In this binary code worksheet, learners convert thirty-nine base ten numbers into binary. Students are first asked to list binary numbers and then to change the binary code into base ten numbers.
Computer Science Unplugged
Count the Dots – Binary Numbers
Did you know you can send a message using only zeroes and ones? This interactive resource presents an introduction to binary numbers. Through code cards, pupils learn to convert binary numbers to decimal numbers.
Curated OER
Binary Code Message
In this binary code message, students convert numbers from binary numbers to base ten. This one-page instructional activity contains 26 problems.
Curated OER
Digital Codes
In this Algebra II/Pre-Calculus activity, students convert numbers into binary, octal, and hexadecimal code and examine different uses for writing numbers in other bases. The four page activity contains twelve multi-part...
Computer Science Unplugged
Twenty Guesses—Information Theory
How do we determine how much information to include and what can be left out? By playing a game of 20 questions, the class generates the best strategies for finding a number. They then move on to guessing the next letter in a short...