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Welcome net detective, we’ve got a puzzle just for you!
Look at the following 3D shape:
It is a triangular-based pyramid.
If we unfold it, it could look like this:
116(1).png)
We call this a net.
A net is made of 2D shapes which fold together to make a 3D shape.
These nets could also fold together to make a triangular-based pyramid:
117(1).png)
118(1).png)
Let's try another now.
Imagine that the following net is folded together:
What would it look like?
a) 
b) c) 
d) 
Did you choose option d?
This is the only net from these options that can be folded together to make a square-based pyramid.
Here are some common 3D shapes and their nets:
| Shape Name | Image of Shape | Image of Net |
| Triangular prism | -159.png) |
-164.png) |
| Cube | -160(1).png) |
-166.png) |
| Cuboid | -161(1).png) |
-167(1).png) |
| Cylinder | -162.png) |
-163.png) |
| Triangular-based pyramid | -168.png) |
-169.png) |
| Square-based pyramid |  |
-171(1).png) |
It’s now your turn to visualise folding nets together to see what shape they will make.
(1).png) |
Pssstt!! Here’s a handy hint to help you reach superstar status: If it helps, you can draw the net on a piece of paper and fold it together. |
Good luck, 3D shape superstar!
