If you turn the yellow shape and make it larger, so it looks like the blue shape, what is it called? Explain your answer.
A triangle. The size and position do not matter. The shape is still a triangle.
In Part B, how are these shapes alike?
They have straight sides and they are flat.
In Part B, how are the shapes different?
Possible response: A triangle has 3 sides and a rectangle has 4 sides.
What is the difference between a 2-dimensional shape and a 3-dimensional shape?
Possible response: A 2D shape is flat and a 3D shape is solid.
Look at Part C. What is the difference between these 2 shapes?
One is 2D and the other is 3D.
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