Sophia Learning
Sophia: Binary Code
The video lesson introduces students to the binary code. The concept is defined and examples are provided.
University of Canterbury
Cs Unplugged: How Binary Digits Work
Learn why we have different number systems and expolre binary digits.
Educaplus (Jesús Peñas Cano)
Educaplus: Cuenta 31
Practice binary numbers by counting from 1 to 31 with the fingers of one hand. Each of the fingers is given a binary value.
Better Lesson
Better Lesson: Binary Code
Learners will learn how to write numbers and words in binary form in order to understand that patterns can be used to transfer information. Resources include a video explanation and examples of student work.
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...
Curated OER
Google for Education: Children and Technology: Binary System
How are the numbers stored in a computer? Have students think of binary as a set of bulbs with on and off states. Take a look at how many numbers can be represented with a limited set of bulbs.
Khan Academy
Khan Academy: Hexadecimal Numbers
Practice converting hexadecimal numbers to binary and decimal numbers, in this set of practice questions designed for AP Computer Science Principles students.
TED Talks
Ted: Ted Ed: How Exactly Does Binary Code Work?
Every time you use the Internet to watch a movie, listen to music, or check directions, that's exactly what your device is doing, using the language of binary code.
History of Computing Science
History of Computing Science: Binary Representation
The binary number system is a perfect fit for the dual-state technologies used in digital computing devices. This lecture series presents a brief description of how the two fit together.
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.
University of Canterbury
University of Canterbury: Cs Unplugged
A collection of free learning activities that teach computer science through games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to computational thinking through concepts such...
National Council of Teachers of Mathematics
Nctm: Figure This: Bar Codes
An exploration of the binary system using U.S. postal zip codes. Discover what numbers the long and short bars in a zip code represent in this one page activity from the NCTM Math Challenges for Families collection.
University of Texas at Austin
University of Texas: Elementary Math Club: "Guess the Number" Magic Trick
Young scholars investigate the concept of a number as a quantity. The activity has learners convert back and forth between decimal and binary expansions of numbers. The lesson plan includes an overview and a lesson toolkit.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Oxidation Reduction Reactions: Audio Book
Listen to this audio book on Chapter 6, Oxidation-Reduction Reactions. View chapter maps, binary ionic compounds, memory aids, and examples of different chemical reactions.
Concord Consortium
Concord Consortium: Trees in a Diagnosis Game
In this dynamic data science activity, students use data to build binary trees for decision-making and prediction. Prediction trees are the first steps towards linear regression, which plays an important role in machine learning for...
Khan Academy
Khan Academy: Xor Bitwise Operation
If you've seen the lesson on the one-time pad, you know that it is the ultimate shift cipher. It involves the application of a random list of shifts equal to the length of the message. It's important to understand exactly how and why the...
Science Struck
Science Struck: How to Convert Octal to Decimal
Explains what the four different types of number systems are and what they are used for. Presents the formula used to convert octal numbers into decimals and models how to apply it in two example problems.
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...
Georgia Department of Education
Ga Virtual Learning: Physical Science: Bonding and Chemical Reactions
Through informational text, interactive puzzles, and review questions, students differentiate ionic and covalent bonds and identify the properties of each. They also use oxidation numbers to predict formulas of ionic compounds, name...
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.
Apple
Apple.com: Teaching Code
Apple, Inc. discusses the importance of teaching children to code. Links are provided for the following supports: Everyone Can Code; Develop in Swift; and Swift Coding Clubs.
Khan Academy
Khan Academy: Logic Gates
Check your understanding of how AND/OR/NOT logic gates output 0 or 1 based on inputs.
Khan Academy
Khan Academy: Number Limits, Overflow, and Round Off
Check your understanding of number precision, overflow errors, and roundoff errors in computer programs.
Math2
Math2.org: Number Notation
At this website from Math2.org you will find tables with information about number words, meanings, and the symbols used to express them. At the very bottom there is also a Java Base Conversion Calculator.
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