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# Prisms & Pyramids

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• Man ...... U JUST MADE ME UNDERSTAND THE THING WHICH I WAS TRYING TO LEARN FOR LIKE 1.5 WEEK! THANKS ALOT

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• a fantastic resource!

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• Great ppt to show when introducing Surface area of Prisms and Pyramids.

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• nice... creative and informative... entertaining in its simplistic but nonetheless effective introduction of 2-3 different concepts in a visual way.

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### Transcript

• 1. The difference between prisms & pyramids. “It’s all about how you slice it!”
• 2. Pyramids and prisms are specific kinds of polyhedra. The word polyhedra is the plural form of polyhedron.
• 3. A polygon is a 2-dimensional shape.
• 4. A polyhedron is a 3-dimensional shape.
• 5. Presto! A triangular prism!
• 6. Presto! A triangular pyramid!
• 7. Presto! A square prism!
• 8. Presto! A square pyramid!
• 9. A prism is made of congruent shapes.
• 10. A pyramid is made of similar shapes that get smaller and smaller.
• 11. If you know the names of common polygons, then naming a prism or pyramid will be easy for you.
• 12. Look at the polygon on the bottom of the shape.
• 13. This polygon is a rectangle.
• 14. This shape is a rectangular prism.
• 15. This shape is a rectangular pyramid.
• 16. This is a pentagon.
• 17. This is a pentagonal prism.
• 18. This is a pentagonal pyramid.
• 19. This is an octagon.
• 20. This is an octagonal prism.
• 21. This is an octagonal pyramid.
• 22. If you know the common polygons and if you know the difference between a prism and a pyramid, naming these shapes is easy.
• 23. The only unique name that you have to remember is the “cube.”
• 24. A cube is a specific kind of rectangular prism.
• 25. A rectangular prism that has 6 congruent faces is called a cube.
• 26. A rectangular prism that has 6 congruent faces is called a cube.
• 27. A rectangular prism that has 6 congruent faces is called a cube.
• 28. A rectangular prism that has 6 congruent faces is called a cube.
• 29. A rectangular prism that has 6 congruent faces is called a cube.
• 30. A rectangular prism that has 6 congruent faces is called a cube.
• 31. The end.