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 color for each...
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.
TryEngineering
Data Representation: Millions of Colors
How many colors do you know? The lesson teaches scholars how digital devices use binary and hexadecimal representations to store colors. They learn how millions of colors are available on these devices.
Curated OER
Octal to Hexadecimal Conversion
For this conversion worksheet, students convert octal units to hexadecimal numbers. This two-page worksheet contains 20 problems. This self-checking worksheet may be completed on-line or produced in printed form.
Curated OER
Decimal to Hexadecimal Conversion
For this conversion worksheet, students convert decimal numbers to hexadecimal numbers. This two-page worksheet contains 20 problems.
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
Hexadecimal to Octal Conversion
In this conversion learning exercise, students convert from hexadecimal to octal units. This two-page learning exercise contains 20 problems. These problems may be completed on-line or may be produced in printed form.
Math eBook
Binary to Hexadecimal Conversion
For this conversion worksheet, learners convert from binary to hexadecimal numbers. This two-page worksheet contains approximately 20 problems. This interactive worksheet may be completed on-line or printed for paper use.
Math eBook
Hexadecimal to Binary Conversion
In this conversion activity, learners convert hexadecimal numbers to binary. This two-page activity contains approximately 20 problems. This interactive activity may be completed on-line or printed.
Math eBook
Hexadecimal to Decimal Conversion
In this conversion worksheet, learners convert hexadecimal to decimal numbers. This two-page worksheet contains approximately 20 problems. This interactive worksheet may be completed on-line or printed.
Curated OER
Numbers System Conversions
In this number system conversions worksheet, students explore, analyze and develop mastery skills in converting between alternative number systems.
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.
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...
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...