Instructional Video3:18
Khan Academy

Adding Fractions with Like Denominators, Fractions, Pre-Algebra

For Students 5th - 7th
Show your students this presentation to help them understand how to add fractions with like denominators. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
Instructional Video4:03
Khan Academy

Multiplying Fractions and Whole Numbers: Mixed Number Answer, Pre-Algebra

For Students 5th - 7th
Here is a great video explaining multiplying a fraction by a whole number. Sal shows students how to put a whole number over 1 to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.
Instructional Video5:23
Khan Academy

Multiplying in Scientific Notation (Example), Pre-Algebra

For Students 7th - 9th
Apply the concept of scientific notation to a word problem involving the rate of speed. Sal explains how to express the answer using scientific notation.
Instructional Video4:52
Khan Academy

Multiplying and Dividing Rational Expressions 2, Algebra II

For Students 7th - 11th
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to demonstrate the process, and his explanations are clear and easy to follow.
Lesson Plan14:52
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Howard Hughes Medical Institute

The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

For Teachers 8th - Higher Ed Standards
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Instructional Video33:43
Howard Hughes Medical Institute

The Day the Mesozoic Died

For Students 8th - Higher Ed Standards
A dynamic, three-part feature explores what caused mass extinction of the dinosaurs at the end of the Cretaceous period. Computer animations, interviews, and on-site footage from around the world divulge evidence that it was the K-T...
Instructional Video3:37
Howard Hughes Medical Institute

Coral Bleaching

For Students 9th - 12th Standards
What is coral bleaching? Tackle a trendy topic with a narrated animation. Through a combination of video and illustration, the narrator introduces viewers to a coral reef, then goes inside a coral polyp to show its symbiotic relationship...
Instructional Video4:08
FuseSchool

Exact Trig Values - Hand Trick

For Students 9th - 12th Standards
Having trouble remembering the trigonometric ratios of the common angles? Here's a video for you! The lesson instructor demonstrates a hand trick that helps individuals determine the correct trigonometric ratios. The trick works for...
Instructional Video4:08
TED-Ed

The Upside of Isolated Civilizations

For Students 9th - 12th
How was physical isolation an incredible opportunity for the ancient Egyptians, the Mayans of Mesoamerica, and the Medieval Japanese? Show your class three distinct civilizations that, while isolated from other nations, experienced great...
Instructional Video6:10
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TED-Ed

The Resistance | Think Like A Coder, Ep 2

For Students 6th - 12th Standards
Join the resistance and learn computer code while you're at it. Continuing from the previous installment, the hero of the series looks for a resistance leader using a set of conditional statements. Scholars learn how to include if,...
Instructional Video6:12
1
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TED-Ed

The Furnace Bots | Think Like A Coder, Ep 3

For Students 6th - 12th Standards
It's time to defeat the army of furnace bots. Continuing from the previous episode, the hero of the story must locate and take over the zero bot that controls all of the other furnace bots. Viewers see how writing a program that involves...
Instructional Video6:42
1
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TED-Ed

The Artists | Think Like A Coder, Ep 5

For Students 6th - 12th Standards
Create a diversion! Continuing the quest to save the world, the hero of the series needs to find an artifact inside a tower. To distract the guards, she programs a robot to vandalize some artwork. Viewers learn how to apply loops and...
Instructional Video6:41
1
1
TED-Ed

The Chasm | Think Like A Coder, Ep 6

For Students 6th - 12th Standards
It'd be a shame if the hero fell into the chasm. The saga of the hero trying to save the world continues, this time requiring a bridge to cross a ravine. The blocks for the bridge must form a palindrome, and the hero must program a robot...
Instructional Video3:45
TED-Ed

Three Anti-Social Skills to Improve Your Writing

For Students 7th - 12th Standards
"What?" she said. "That video just told me to eavesdrop, get to know imaginary people, and talk to myself. Interesting." It's all for a good cause, though! These three techniques will help your young writers improve their fictional...
Instructional Video4:27
TED-Ed

The Hidden Worlds within Natural History Museums

For Students 5th - 12th Standards
Behind the closed doors of natural history museums lies a hidden world of scientific research and discovery that goes unseen for visitors. Follow along as this short video explores different scientific mysteries that have been...
Instructional Video5:41
TED-Ed

Should We Get Rid of Standardized Testing?

For Students 6th - 12th Standards
Did you know that the concept of standardized testing is over 2,000 years old? But what is the purpose of these tests? What do they supposedly measure? A short video investigates the history of standardized tests.
Instructional Video3:24
Bill of Rights Institute

Dred Scott vs. Stanford

For Students 9th - 12th Standards
The United States was on the brink of a war within itself when the Dred Scott case came before the Supreme Court. Viewers examine the defining case that served as a ratuionale for slavery leading into the Civil War. 
Instructional Video4:33
TED-Ed

The Most Groundbreaking Scientist You've Never Heard Of

For Students 8th - 12th Standards
Nicolas Steno invented stratigraphy, compared the anatomy of various animals, broke ground for geology and evolutionary theory—and yet he is not often mentioned in the history books. Learn more about the scientists who laid the...
Instructional Video5:11
TED-Ed

A Needle in Countless Haystacks: Finding Habitable Worlds

For Students 4th - 8th Standards
Extraterrestrial life? What makes life possible? What makes a habitable planet? These are the questions explored through this video. Some of the concepts presented include the essentiality of water for life and how its liquid form is not...
Instructional Video3:31
TED-Ed

Is Space Trying to Kill Us?

For Students 6th - 10th Standards
Taking somewhat of a humorous, paranoid viewpoint, this video explores the question of whether or not space objects are likely to take us out. From asteroids, to the sun dying out, to the Milky Way's supermassive black hole, the...
Instructional Video3:47
TED-Ed

A Rare, Spectacular Total Eclipse of the Sun

For Students 6th - 12th Standards
According to some ancient Mesopotamians, "The sun was put to shame" during a 14th century total solar eclipse. How can the moon, which is 400 times smaller than the sun, completely cover it? This video demonstrates the answer...
Instructional Video7:53
TED-Ed

String Theory and the Hidden Structures of the Universe

For Students 9th - Higher Ed Standards
When we take things apart, we can learn how they work. Physicist Clifford Johnson explains how we break down all objects into elementary particles of matter and forces. Patterns have been identified with the particles, the existence dark...
Instructional Video7:51
TED-Ed

Early Forensics and Crime-Solving Chemists

For Students 9th - 12th Standards
Amazing historical crime scene photos and information is shared by Deborah Blum, an author who has done a tremendous amount of homework on forensic science! Perhaps you could show this to upcoming chemists as you are inspiring them to...
Instructional Video4:46
TED-Ed

A Brief History of Video Games (Part I)

For Students 9th - 12th
For many pupils, gaming is part of everyday life. But, it wasn't always that way. Entertain and inform your class with this quick video that follows the development of video games. The narrator goes all the way back to the beginning and...

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