Instructional Video9:38
Amoeba Sisters

Pedigrees

7th - 12th Standards
Pupils puzzled by pedigree charts? Not anymore! Show them proper pedigree protocol using a short video from an excellent biology playlist. Content includes pedigree symbols and terminology, interpreting pedigrees of various lengths, and...
Instructional Video4:30
TED-Ed

Where Do Math Symbols Come From?

6th - 12th
Why does the equal sign look that way? The resource explains the reason several of the math symbols look the way they do. Using a few specific examples, the video points out that some symbols are rooted in their meanings and others are...
Instructional Video
Macat

An Introduction to Sigmund Freud's The Interpretation of Dreams

9th - 12th Standards
Ever wonder why you have that weird recurring dream? A short video explores Sigmund Freud's famous text The Interpretation of Dreams and discusses the ways everyday images and memories can impact one's dreams.
Instructional Video5:07
TED-Ed

A Brief History of Numerical Systems

8th - 12th Standards
As people and civilizations have become more complex, numbers have evolved into what they are today. Watch a video that walks viewers through the history of the development of symbols into numbers and positional notations.
Instructional Video4:10
TED-Ed

What Does This Symbol Actually Mean?

7th - 12th
The International Symbol of Access, also known as the wheel chair symbol, is designed to show accessible facilities wherever you may be. Watch a video that explains the meaning behind this symbol and how it came to be.
Instructional Video1:17
Curated OER

Concept of Symbols

1st - 3rd
Tackle the topic of symbols with this interesting clip. Todd defines the term symbol then labels several gestures, such as smiling and waving as symbols representing a word or feeling. He fails however, to link the use of symbols to...
Instructional Video
Sophia Learning

Sophia: Identifying Symbols

9th - 10th
This video lesson focuses on identifying symbols in fiction writing; symbols suggest meaning and should be noticeable in the text. It discusses a three-step method for identifying them.
Instructional Video
Khan Academy

Khan Academy: Journey Into Information Theory: Ancient History: The Alphabet

9th - 10th
History of the Alphabet. This video introduces the Hieroglyphic, Cuneiform, Hieratic, Demotic & Phoenician writing systems.
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Variable?

9th - 10th
Watch this tutorial to learn about variables which are an essential but confusing part of algebra. [1:40]
Instructional Video
Other

Understanding and Making Maps Symbols

1st - 2nd
Explains what symbols are, and how they are used on maps and in a map key. [2:26]
Instructional Video
Khan Academy

Khan Academy: Contemporary Chinese Seals by Li Lanqing

9th - 10th
Seals have been symbols of identity and authority in China for more than 2,500 years. This exhibition features over 100 exceptional seals made by artist Li Lanqing, who has revived and transformed this traditional art. [6:34]
Instructional Video
Sophia Learning

Sophia: Signs: Lesson 2

3rd - 8th
This lesson introduces the concept of signs as mathematical symbols that express information about a number. It is 2 of 6 in the series titled "Signs."
Instructional Video
Sophia Learning

Sophia: Signs: Lesson 4

3rd - 8th
This lesson introduces the concept of signs as mathematical symbols that express information about a number. It is 4 of 6 in the series titled "Signs."
Instructional Video
Sophia Learning

Sophia: Arbitrary Symbolism: Lesson 2

9th - 10th
A screencast lesson introducing arbitrary symbolism. A three-questions quiz to check for understanding is also available. [3:58]
Instructional Video
Sophia Learning

Sophia: Note Taking: Symbols and Abbreviations: Lesson 1

9th - 10th
This lesson introduces using symbols and abbreviations to take notes. It is 1 of 2 in the series titled "Note Taking: Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Identifying Symbols

9th - 10th
This lesson explains how to identify symbols in fiction writing. This tutorial lesson shares a short screencast [9:26] with the lesson's content.
Instructional Video
Brightstorm

Brightstorm: Defining Variables

6th - 8th Standards
A defining variable is a symbol, such as x, used to describe any number. When a variable is used in a function, we know that it is not just one constant number, but that it can represent many numbers. Variables are instrumental in...