I. Activity objectives

1, actively participate in math games and experience the fun of math activities.

2. Be able to compare the sizes of three or fewer items and tell the maximum and minimum values.

3, can be classified according to the size of the item.

Second, the activity preparation

1, 3 cake cards of different sizes

2. Photos of panda's father, mother, baby and shop.

3. Three cardboard hats of different sizes.

4. Teaching pictures

Third, the activity process

1, teacher's picture introduction, to stimulate children's interest.

(1) The teacher shows the smallest and largest pictures of the cake to guide the children to perceive the size of the cake.

(2) What is this? Do you like it? See what's the difference between them.

2. Teachers guide children to observe pictures and initially perceive the maximum and minimum values.

(1) The teacher shows pictures of the panda family and guides the children to observe.