2. In the operation activities, try to learn to complete the task of making cubes independently.

3. Experience the joy of participating in math activities.

Activity preparation: teaching AIDS: cube square learning tools: children's books, all kinds of cuboid and cube objects.

Activity flow: First, know the cube.

Teacher: Teacher, here is a big Rubik's cube. Please look at its shape.

Yang: Square (cube) The teacher compares a square with a cube.

(1) Teacher: Please look at the shape of the cube. (Square), are all faces square?

(2) Let's compare it again. Are all faces the same size?

(3) Count, how many sides does this Rubik's Cube have? (6)

Teacher: Shapes like this are called cubes.

Summary: A cube has six faces, and each face is a square with the same size.

Second, consolidate learning.

Teacher: The teacher has prepared a lot of things for you. Please find out which things are cubes (validation).

Third, the operation practice

Make cubes.