Answer key · Set A
Flat or solid
1B A rectangle lies flat like paper. A can is solid: you can hold it.
2A A ball is solid. You can hold it. A square is flat.
3Yes A circle is flat, like a drawing on paper.
4No A cube is solid. You can hold a cube.
5C A triangle is flat. A ball and a can are solid.
6Yes A ball is solid. You can hold it.
7B, D A can and a cube are solid. A triangle and a square are flat.
8B A sphere is round all over, like a ball.
9No A square is flat, like paper.
10A A rectangle is flat. A ball, a can and a cube are solid.
11A, C A square and a triangle are flat. A can and a ball are solid.
12C A can is a cylinder.
Mark each answer, count the right ones and write the score on the sheet.