How it works
Flat shapes lie flat, like paper. Solid shapes you can hold.
A circle and a square are flat. A cube, a ball and a can are solid.
Solid shapes take up space.
Worked examples
Flat
- A square drawn on paper.
- It lies flat.
- It is a flat shape.
Solid
- A box you can pick up.
- You can hold it.
- It is a solid shape.
Sort
- A ball, a plate and a can.
- Ball and can are solid. The plate is flat on top, but a plate is thick, so check.
- Ask: can I hold it and turn it?
A taste of the worksheet
These are the first problems of set A. The printable sheet has many more, with an answer key.
- Which shape is flat, like paper?
- Which shape is solid?
- Is a circle flat?
- Is a cube flat?
- Which one is flat?
Words to know
- flat shape
- A shape that lies flat, like a circle.
- solid shape
- A shape you can hold, like a ball.
Watch out for
- A drawing of a cube is still flat on paper.