Instructional Video7:06
Curated OER

How Do You Subtract Whole Numbers?

For Teachers 6th - 12th
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step by step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Instructional Video6:24
Curated OER

How Do You Subtract Whole Numbers?

For Teachers 3rd - 6th
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step-by-step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Instructional Video2:34
MinutePhysics

Upside Down Mountains in Real Life

For Students 9th - 12th Standards
A mountain gets smaller as you get to the top, right? It depends on how you look at it, because in terms of surface area, it may actually get bigger. Learners consider this idea as they view the creative video lesson.
Instructional Video2:50
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NASA

The Anatomy of a Raindrop

For Students 6th - 8th
After reviewing the water cycle, zoom in on a raindrop and learn about the physics determining its shape. See actual footage of raindrops falling with high-speed photography! A written description of the same information is also provided...
Instructional Video7:10
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Calculus Expert

Sketch the Graph of a Circle

For Students 11th - Higher Ed Standards
Feel like you're going in circles? The fifteenth lesson in a series of 29 videos gives pupils a resource for writing equations of circles in standard form. Once in standard form, the instructor graphs the circle.
Instructional Video0:57
Veritasium

Slinky Drop

For Students 9th - 12th Standards
View a Slinky in slow motion to build a better understanding of tension force. A lesson in the Veritasium playlist experiments with a Slinky to analyze the forces acting on it. Using slow-motion video allows scholars to verify the motion...