Identifying Solids
By the end of this lesson, you will be able to identify different three dimensional solids. The most common types of three dimensional solids are prisms, cylinders, pyramids, cones, and spheres. You can see examples of each type below.
Prisms
Here are just some examples of prisms. Prisms are named by the shape of their bases. The bases of a prism are always parallel and congruent. Some prisms will have multiple pairs of sides that can be called the bases. The first prism pictured above has square bases, but instead of calling it a square prism it is known as a CUBE. The second prism has rectangular bases so it is called a RECTANGULAR PRISM. The third prism has two triangular bases, therefore it is called a TRIANGULAR PRISM.
Cylinders
Here is an example of a CYLINDER. Cylinders always have circular bases.
Pyramids
Here are just some examples of pyramids. Pyramids are also named by the shape of their base. The first pyramid pictured above has a square base so it is called a SQUARE PYRAMID. The second pyramid has a triangular base, therefore it is called a TRIANGULAR PYRAMID.
Cones
Here is an example of a CONE. Cones always have a circular base.
Spheres
Here is an example of a SPHERE. Spheres do not have a base.
Now that you have learned the names of the most common three dimensional solids, watch this cool video below. Try naming the solids as you see them in the video. Enjoy!
Let's see what you know. Try the flashcards below. Each card contains a description of a specific solid and you have to determine the name of the solid being described. Good luck!
Flashcards
Flashcards
Lastly, consider the items pictured below. Name the three dimensional solid that is represented in each picture by typing its name in the space provided.
Well done! You have completed Lesson 3: Identifying Solids.
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