Geometry and Spatial Understanding

Geometry and Spatial Understanding

Learning Objectives

Identify and name different geometric shapes. Understand the concept of nets and their relation to 3D figures. Construct 3D figures using nets. Determine the faces, edges, and vertices of combined 3D figures.

What do you already know about basic shapes and 3D figures?

Identification of Geometric Shapes

Square: a polygon with 4 right angles and 4 equal sides.

Understanding and Using Nets

Net: a two-dimensional pattern that can be folded to make a three-dimensional figure.

Constructing 3D Figures Using Cubes

Cuboid: a three-dimensional figure formed by folding a net of six squares.

Analyzing Properties of Combined 3D Figures

Vertices: points where two or more edges meet in a 3D figure. Edges: straight lines where two faces of a 3D figure meet. Faces: flat surfaces that make up the boundaries of a 3D figure.

Definition List

Square: a polygon with 4 right angles and 4 equal sides. Net: a two-dimensional pattern that can be folded to make a three-dimensional figure. Cuboid: a three-dimensional figure formed by folding a net of six squares. Vertices: points where two or more edges meet in a three-dimensional figure. Edges: straight lines where two faces of a three-dimensional figure meet. Faces: flat surfaces that make up the boundaries of a three-dimensional figure.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.