I. Activity objectives

1, children feel the decomposition of 6 through independent exploration and hands-on operation, and master the five points of 6.

2. On the basis of the decomposition and composition of perceived numbers, master the laws of number increase and decrease and mutual exchange.

3. Develop children's ability to observe, analyze and record, and cultivate children's interest in mathematics.

Second, the focus of the activity

Perceive the relationship between the whole and the part, and learn and record the five points of 6.

Third, the difficulty of the activity

Summarize the law of decomposition and synthesis of numbers within 6.

Fourth, activity preparation

Teaching aid: draw two houses on the blackboard, with 6 or 6 panda cards on each side of the house.

Verb (abbreviation of verb) activity process

Review decomposition and combination 5,

Butt collision

Teacher: I said five,

Child: I'm interested in five,

Teacher: Can 5 be divided by 1 and what?

Child: 5 can be divided into 1 and 4.