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Instructional Video4:07
Curated OER

What is a Pyramid?

6th - 10th
One base, triangular sides, and defined polygons are all parts of what make up a pyramid. Check out this video and see the instructor draw pictures of a variety of pyramids. She identifies the specific parts and gives them names based on...
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Instructional Video5:18
Curated OER

How Do You Find the Lateral and Surface Areas of a Regular Pyramid?

9th - 10th
A regular pyramid has four equal triangular shaped sides and a square base. The lateral area is comprised of the area of the four triangular sides. The surface area is the area of the four triangular sides plus the area of the base....
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Instructional Video6:04
Curated OER

How Do You Find the Volume of a Composite Figure?

7th - 10th
Trying to find the volume of a composite figure? Wait! What's a composite figure? A composite figure is a combination of familiar simpler figures. So the composite figure can be taken apart and represented as the simpler figures in order...
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Instructional Video7:11
Fun Stuff To Do

Square Pyramid

6th - 10th
Your geometry learners will appreciate this net for a square pyramid. Copy, cut, and manipulate to explore the surface area or volume of a square pyramid.
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Instructional Video12:36
Flipped Math

Volume of Pyramids and Cones

9th - 12th Standards
Now it makes sense why pyramids and cones have one third the volume of prisms and cylinders. Pupils watch an educational video to learn about the formulas for the volume of pyramids and cones. They see several worked-out examples...
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Instructional Video17:06
2
2
Flipped Math

Unit 10 Review: Surface Area and Volume

9th - 12th Standards
Marvel at the volume of knowledge one has gained on surface area and volume. Scholars first watch a video that reviews the surface area and volume of prisms, cylinders, cones, pyramids, and spheres. They then complete a worksheet of...
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Instructional Video17:10
2
2
Flipped Math

Surface Area of Pyramids and Cones

9th - 12th
Scratch more than just the surface when investigating surface area. The second video of six installments in the Geometry - Surface Area and Volume unit focuses on the surface area of pyramids and cones. Young mathematicians learn to...
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Instructional Video1:46
Brightstorm

3-D Solid Properties

9th - 12th Standards
Let's move into the third dimension! Learners explore the vocabulary and notation related to three-dimensional figures. The video covers examples of pyramids, but the vocabulary is universal to all 3-D objects.
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Instructional Video4:51
Curated OER

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...
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Instructional Video7:21
Curated OER

How Do You Find the Lateral and Surface Areas of a Cone if You Don't Know the Slant Height?

9th - 11th
Did you know you can use the Pythagorean theorem to find the slant height of a cone? You can! Just watch this tutorial and see how you can find the lateral and surface area of a given cone using slant height and the Pythagorean theorem.

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