What Are Right Prisms?

A right prism is a 3D object with two congruent, parallel faces. All other faces are rectangles. Cubes, triangular prisms and rectangular prisms are all examples of right prisms.

Right prisms have cross-sections. A cross-section is the 2D shape that results from cutting straight through the 3D object, parallel to the two congruent faces. 

For example, if you were to cut through a triangular prism in a direction parallel to the two congruent triangular faces, the resulting cross-section would be a triangle.

Use this poster with your students as a visual explanation of right prisms and their cross-sections.

Multiple Applications for This Right Prisms Poster

This versatile poster can be used in various ways to enhance your students’ learning of 3D objects and their cross-sections. Here are some suggestions.

1. Print the poster on A3 paper and display it in your classroom as a reminder of what right prisms and cross-sections are.
2. As you teach your students about right prisms and their cross-sections, provide students with a smaller version of the posters to paste into their workbooks.
3. Add this poster to a general classroom display about 3D shapes. Encourage students to add other examples of right prisms and their cross-sections around the poster. 

Download Your Chosen File Format

Use the dropdown menu next to the Download button to select between the editable Google Slides or the easy-print PDF version of this resource.

This resource was created by Amy Adam, a Teach Starter collaborator.

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