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Lesson Plan
Code.org

Encoding Color Images

For Teachers 9th - 12th
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...
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Lesson Plan
Alabama Learning Exchange

Converting Numbers from Base 10 to Binary, Octal, and Hexadecimal

For Students 9th - 12th
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.
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Lesson Plan
TryEngineering

Data Representation: Millions of Colors

For Teachers 9th - 12th Standards
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.
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Worksheet
Curated OER

Octal to Hexadecimal Conversion

For Students 7th - 9th
In 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.
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Worksheet
Curated OER

Decimal to Hexadecimal Conversion

For Students 10th - 12th
In this conversion worksheet, students convert decimal numbers to hexadecimal numbers. This two-page worksheet contains 20 problems.
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Lesson Plan
Curated OER

Base It

For Teachers 3rd
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.
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Worksheet
Curated OER

Hexadecimal to Octal Conversion

For Students 7th - 9th
In this conversion worksheet, students convert from hexadecimal to octal units. This two-page worksheet contains 20 problems. These problems may be completed on-line or may be produced in printed form.
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Worksheet
Math eBook

Binary to Hexadecimal Conversion

For Students 7th - 9th
In this conversion worksheet, students 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.
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Worksheet
Math eBook

Hexadecimal to Binary Conversion

For Students 8th - 10th
In this conversion activity, students convert hexadecimal numbers to binary. This two-page activity contains approximately 20 problems. This interactive activity may be completed on-line or printed.
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Worksheet
Math eBook

Hexadecimal to Decimal Conversion

For Students 8th - 10th
In this conversion worksheet, students convert hexadecimal to decimal numbers. This two-page worksheet contains approximately 20 problems. This interactive worksheet may be completed on-line or printed.
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Worksheet
Curated OER

Numbers System Conversions

For Students 7th - 10th
In this number system conversions worksheet, students explore, analyze and develop mastery skills in converting between alternative number systems.
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Activity
TeachEngineering

Teach Engineering: Rgb to Hex Conversion

For Teachers 11th - 12th
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.
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Onion Peeler

For Teachers 9th - 10th
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...
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Interactive
University of Illinois

University of Illinois: Mste: The Binary Calculator Applet

For Students 9th - 10th
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...
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Handout
Purple Math

Purplemath: Number Bases: Introduction & Binary Numbers

For Students 9th - 10th
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...
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Activity
NumberNut

Number Nut: Identifying Traits

For Students 3rd - 8th
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...