Instructional Video
Curated OER

SAT Prep: Test 4 Section 4 Part 2

9th - 12th
Problems 7-11, which involve both geometry and algebra problems, allow students to practice transitioning between skills. Sal takes time to explain the process of each problem so that students will understand the test strategies as well...
Instructional Video7:43
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What is the Formula for the Volume of a Prism?

6th - 10th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
Instructional Video4:56
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What is the Formula for the Volume of a Sphere?

6th - 10th
The formula of a sphere is related to the formula of a cylinder? How? Oh, radius and pi. Watch this video and observe how the instructor illustrates just how these two formulas are connected. Then plug in the known values and solve this...
Instructional Video5:56
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How Do You Find the Volume of a Triangular Pyramid?

6th - 10th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
Instructional Video5:29
Curated OER

How Do You Find the Volume of a Triangular Prism?

6th - 10th
Do you need to find the area of a prism? Watch this video to find out how! An instructor goes through each step, recording her work on a whiteboard for reference. A solid instructional video that could be used at home or in the classroom.
Instructional Video4:51
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How Do You Find the Lateral and Surface Areas of a Cone?

7th - 10th
The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...
Instructional Video3:34
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How Do You Find the Area of a Triangle?

6th - 8th
The formula for the area of a triangle is: area equals one half the base times the height. If you have been given these two values then all you need to do is plug them into the formula and solve. Don't forget to write the correct ending...
Instructional Video4:19
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How Do You Find the Area of a Trapezoid?

7th - 9th
Trapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify. 
Instructional Video2:44
Curated OER

What is a Cone?

6th - 11th
What are the things that make a shape a cone? Here's a list of things that define a cone: base, height, vertex, radius, curved side. Are you familiar with all these terms? The teacher diagrams a cone and identifies all the components in...
Instructional Video4:47
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How Do You Find the Volume of a Rectangular Pyramid?

8th - 10th
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
Instructional Video6:31
Curated OER

How Do You Find the Volume of a Triangular Pyramid?

6th - 12th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
Instructional Video5:22
Curated OER

How Do You Find the Volume of a Rectangular Pyramid?

6th - 12th
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
Instructional Video6:05
Curated OER

How Do You Find the Volume of a Triangular Prism?

6th - 12th
Do you need to find the area of a prism? Watch this video to find out how! An instructor goes through each step, recording her work on a whiteboard for reference. A solid instructional video that could be used at home or in the classroom.
Instructional Video4:55
Curated OER

How Do You Find the Area of a Trapezoid?

6th - 12th
Trapezoids can be tricky. Break down the process of finding the area of a trapezoid with this video! Viewers are given information about the area formula and shown exactly how to plug in information, solve, and simplify. This is a...
Instructional Video5:04
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Curated OER

What is the Formula for the Volume of a Cone?

6th - 9th Standards
All you need are a few values to find the the volume of a cone! Watch an informative math video that guides learners through the formula needed, as well as the relationship between the cone's volume and the volume of other...
Instructional Video2:12
Virtual Nerd

What is a Prism?

6th - 9th
I always thought a prism was a solid triangular shaped piece of glass that made rainbows when the light shined through it. Well, that is a prism, but that is only one example of a prism, as prisms are three-dimensional solids of a...
Instructional Video2:38
Curated OER

How Do You Find the Volume of a Box Whose Sides are Monomials?

6th - 12th
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Instructional Video8:20
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What is the Formula for the Volume of a Prism?

6th - 12th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
Instructional Video5:20
Curated OER

What is the Formula for the Area of a Triangle?

6th - 12th
The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to...
Instructional Video3:07
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How Do You Solve a Word Problem by Dividing Monomials?

6th - 12th
A word problem, a triangle, monomials, exponents, what to do? The instructor explains how to set up this ratio in order to solve the problem and express it as a monomial in simplest form.
Instructional Video4:46
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What is the Formula for the Area of a Parallelogram?

5th - 8th
So you are trying to tell me that a parallelogram is a rectangle in disguise? Wow! And I can use a similar formula of the area of a rectangle to find the area of a parallelogram? Wow! Ok, show me how! A=bh. So simple really.
Instructional Video5:42
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What is the Formula for the Volume of a Pyramid?

6th - 12th
There are a lot of moving parts in this problem. There's the formula for a triangular prism. Then there's the formula for a triangular pyramid. And don't forget the formula for the area of the base of a triangular shape. Get out your...
Instructional Video5:32
Curated OER

What is the Formula for the Volume of a Cylinder?

6th - 10th
Finding the volume of a cylinder entails using two formulas: the formula for the area of a circle and the formula for volume. The area of the given circle must be solved because that value is used in the formula for volume. Watch this...
Instructional Video4:36
Curated OER

How Do You Find the Volume of a Cylinder?

6th - 10th
What is the formula to find the volume of a cylinder? Here's the formula - volume equals base times height, and the base of a cylinder is base equals pi times radius squared. If the is a given value for radius, and a given value for...