Code.org
Encoding Color Images
Color me green. The fourth lesson in a unit of 15 introduces the class to color images and how to encode color images using binary code and hexadecimal numbers — and they will quickly notice that it is easier to code the...
Alabama Learning Exchange
Converting Numbers from Base 10 to Binary, Octal, and Hexadecimal
How many different ways can you write the same number? Learners experiment with writing numbers using different bases. They progress from base 10 to base two, eight, and six.
Curated OER
Base It
Third graders complete place value charts in the decimal system, the binary and Hexadecimal system. They discuss the contributions made by Ada Lovelace to computer language. They express the idea of place value with exponents.
Curated OER
Color, Computers, and Math - Student Worksheet #2
In this color, computer and math worksheet, students practice converting from decimal values to hexadecimal values. They explore additive and emittive color blending.
Curated OER
Colorful and Textured Backgrounds
Students create a solid color background for a web page. They calculate the hexadecimal code for a color value. They change the color of text and hypertext link items. They create a textured background from a graphic file.
Code.org
Number Systems
Generating a system of shapes. Groups work together to create a number system using three different shapes as symbols. The groups should come up with the rules that generate all the possible permutations of the three shapes.
TeachEngineering
Teach Engineering: What Makes Up a Color?
As a part of the research and revise step of the Legacy Cycle, this instructional activity provides students with information they will need later on to be able to average pixels to simulate blurring in the peripheral plane of vision....