The number of two groups of items within 1 5 can be distinguished by one-to-one correspondence.

2. Express your estimation results boldly.

Activity preparation:

Puppet pig and mother pig, 2 plates, 10 apples, 2 bottles of candy, 2 baskets of fruits, 2 rows of building blocks, etc.

Activity flow:

Storytelling: "Piglets are silly to divide apples"

One,

Second, the comparison of physical estimation: which is more and which is less.

Show two groups of the same kind with different quantities, such as two bottles of candy, two blue fruits and two blue building blocks. According to the one-to-one correspondence method, please tell your child which one is more. Which is less?

Third, card operation: more or less.

1, let the children look at the operation chart card, and let the children give more bread to the mother bear and less bread to the bear, and connect them with lines respectively. The teacher guides the children to observe the pictures carefully, compare the figures by estimation, and connect animals with food.

2. Let the children see the operation card and help the mother rabbit and the father pig. Which side is more radish or cake? Which side is less? Help mother rabbit and father pig color something. Teachers guide children to observe pictures carefully and compare them with estimation methods, and encourage them to express their estimation results boldly.