Khan Academy
Khan Academy: Hexadecimal Numbers
The Hexadecimal number is explained as well as its relationship and need in computers.
Math Is Fun
Math Is Fun: Hexadecimal Drum Machine
Create rhythms on this 4-instrument hexadecimal drum machine and see what your rhythms look like in the binary, decimal, and hexadecimal number systems.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Hexadecimal Numbers Base 16
Find a quick, concise explanation of hexadecimal, base 16, numbers. A table of hexadecimal numbers and their base ten equivalents are given and clearly explained.
TeachEngineering
Teach Engineering: Rgb to Hex Conversion
Students practice converting between RGB and hexadecimal (hex) formats. They learn about mixing primary colors in order to get the full spectrum of colors and how to average pixel values.
Math Is Fun
Math Is Fun: Binary Digits
Learn about the two binary digits, 0 and 1, and how they are combined to make numbers that correspond to our standard number system. Looks also at the relationship between binary and hexadecimal digits.
Texas Instruments
Texas Instruments: Numb3 Rs: Onion Peeler
Based off of the hit television show NUMB3RS, this lesson introduces students to the concept of changing number bases, as well as gives some insight into Internet privacy through "onion routing." Students translate hexadecimal numbers...
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...
Purple Math
Purplemath: Number Bases: Introduction & Binary Numbers
The process of converting between different number bases is actually fairly simple, but the thinking behind it can seem a bit confusing at first. And while the topic of different bases may seem somewhat pointless to you, the rise of...
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....
Math Is Fun
Math Is Fun: Number Bases
While our number system is based on the number 10, there are many other possible ways to organize a number system, which are explored here.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Different Bases
Ten problems cover the topic of converting a variety of number to various bases. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button...
NumberNut
Number Nut: Identifying Traits
Investigate the relationship between shapes and identifying traits or characteristics. A concise lesson that explores physical, chemical, and observable traits in the shapes around us. Build on this knowledge by playing the Web Colors...