Curated OER
How Do You Find the Lateral and Surface Areas of a Cone?
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...
Curated OER
How Do You Find the Area of a Triangle?
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...
Curated OER
How Do You Find the Area of a Trapezoid?
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.
Curated OER
How Do You Add Integers Using a Number Line?
Confused about adding integers? Use a number line to help you get a visual on which way to move according to the sign of the numbers. Negative means you move left on the number line and then of course positive numbers mean you move to...
Curated OER
What is a Cone?
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...
Curated OER
How Do You Find the Volume of a Rectangular Pyramid?
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...
Curated OER
How Do You Find a Missing Side of a Right Triangle Using Cosine?
Trigonometry? What's trigonometry. Well, something to do with triangles, right? Right! Right triangles! In this problem, find the missing length of one of the sides. So set this up as a ratio: cosine(A) = adjacent side length divided by...
Curated OER
What is the Y-Axis?
Just a simple straightforward definition and example of what constitutes the y-axis.
Curated OER
What is the X-Axis?
Just a simple straightforward definition and example of what constitutes the x-axis.
Curated OER
How Do You Plot Points in the Coordinate Plane?
So you have an ordered pair and you want to graph it. Just remember that the first value is plotted along the x-axis and the second value in the pair is plotted along the y-axis. So count left or right, then up or down and you have...
Curated OER
What Is the Distance Formula?
Find the distance between two points on a coordinate plane. How is that done? Let's take a look at the distance formula. What's the distance formula? Well, it's a form of the Pythagorean Theorem. How? Watch the instructor diagram and...
Curated OER
How to Copy a Polygon
A middle school students shows us how to accurately copy a polygon on a piece of paper. He uses a compass, ruler, and pencil in order to copy the correct angles and lines. This is a great video to engage your students at the beginning of...
Curated OER
Estimating Surface Area
Kids might enjoy this dramatic presentation on estimating surface area. The fake Transylvanian accent is a bit distracting but the problem solving practices are sound. Dr. Crazy Pants rounds his decimal measurements then multiplies...
Curated OER
Measuring Instruments for Physics-METER RULER
Unfortunately a portion of the beginning of this video is cut off. Close up views of how to use a metric ruler are displayed. Percentage error is mentioned. If you have a large class, this may provide a more practical way to demonstrate...
Curated OER
How Do You Solve a Problem Using Indirect Measurement with Shadows?
Using indirect measurement, this video shows viewers how to find the height of a flagpole. The lecturer employs drawings as well as proportions to solve this problem, explaining each step. A useful resource to aid struggling learners and...
Curated OER
How Do You Solve a Word Problem Using the Direct Variation Formula?
Have your class figure out how much "Teddy" weighs on the moon and how to translate words into algebra! This video shows pupils how to take a word problem, and then solve it using the direct variation formula and given information. Great...
Curated OER
How Do You Find the Volume of a Triangular Pyramid?
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,...
Curated OER
How Do You Find the Volume of a Rectangular Pyramid?
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...
Curated OER
How Do You Find the Volume of a Triangular Prism?
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.
Curated OER
How Do You Solve a Problem Using Indirect Measurement with Shadows?
Using indirect measurement, this video shows viewers how to find the height of a flagpole. The lecturer employs drawings as well as proportions to solve this problem, explaining each step. A useful resource to aid struggling learners and...
Curated OER
How Do You Find the Area of a Trapezoid?
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...
Curated OER
What is the Formula for the Volume of a Cone?
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...
Curated OER
What is an Angle?
An angle is formed when two rays share a common endpoint. Want to know more about angles? There are a lot of terms in this lesson. You might have to watch it two or even three times to make sure you understand all the terms. I recommend...
Virtual Nerd
What is a Prism?
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...