I. Activity objectives

1, let children know that squares include rectangles and squares.

2. Guide children to distinguish between squares and rectangles according to their characteristics.

3. Guide children to find rectangular and square foods in their lives and learn to distinguish them.

Second, the activity preparation

1, mathematics courseware "Understanding Rectangles"

2, children's operation card

3. A square card and a rectangular card.

4. Rectangular foam

Third, the activity process

1, the teacher introduced that the bear hung many pictures on the wall, so beautiful! Do you see these photo frames? What shapes are they?

2. Teachers lead children to perceive the characteristics of squares and rectangles.

(1) The teacher shows the rectangular card, guides the children to observe and touch, and tells what the characteristics of the rectangle are.