2-dimensional (2D) shapes are flat and can only be drawn on paper.
3-dimensional (3D) shapes are solid and can be picked up.
You should know the names of the following 2D and 3D shapes.
For the 2D shapes, you should know how many VERTICES they have.
For the 3D solid shapes, you should know how many VERTICES they have.
Remember, VERTICES is the word we use in Maths for CORNER.