2. A prism is a 3-D object. It
has identical shapes at
each end which are joined
together with flat sides.
3. We made prisms. We started with a 2-D shape then built sides and a matching
end. We used straws and playdough. It was tricky so we switched to straws and
masking tape!
5. We made triangular prisms. They
have ___ edges and ___ faces.
They are made with 2 ________
and 3 __________.
6. We made rectangular prisms.
It has___ edges and ___ faces. It is
made with 2 ________ and 4
__________.
7. We made pentagonal prisms.
They have ___ edges and ___
faces. They are made with 2
________ and 5 __________.
8. We made hexagonal prisms. They
have ___ edges and ___ faces.
They are made with 2 ________
and 6 __________.
9. Emily made a pyramid. A
pyramid has a square base and
four triangles.
10. QUESTIONS:
1. These are 3D objects but they are not actually prisms.
Do you know why?
2. Is a pyramid a prism? Why or why not?
3. Which prism in the slideshow has the most edges?
The most faces? Do you notice any patterns between
the number of edges and the number of faces?
4. Which prism do you see most in your everyday life?
Think of some examples.
