target

1, understand the meaning of the combination, and write the combination within 5 according to the meaning of the question.

2. Perceive the composition of numbers and be able to express your ideas boldly.

Prepare:

1, children's activity materials "Mathematics" p28 "Together"

2. Five packaged gift boxes, two bags, a quantity of 5 homework materials and a closed record chart.

process

First, integrate physical objects.

1. Show me two bags. These two bags contain New Year's gifts. Please take it out with the teacher and count how many presents there are.

There are two gifts in one bag and three gifts in the other. How many gifts are there altogether?

3. 2 gift boxes, 3 gifts and 5 gifts. How else can we put the gifts in one bag, five in all?

4. Children tell their own methods and learn about various combinations.

5. Show the closed record chart and guide the children to show the number of gifts in two bags in the box by drawing points.

Second, the point is on and off.

1, the child has the number of five operation materials. For example, there are five "flowers" and five squares on the front and back. ...

2. Children divide homework materials into two piles, and according to the different results of homework, children record them with dots on the closed map. Remind children not to repeat when recording.

3, the child said that a few and a few add up to 5.

4. The teacher award 5 is arranged to guide children to discover the law.

Third, hopeful music.

1. Show children's activity material "Mathematics p28" Hope for Happiness "to guide children to understand the meaning of combination, and indicate the result of combination with dots or numbers according to the meaning of the picture.

2. Guide the children to correctly express the diagram 1 to prepare for learning addition in the future. If two birds are in a tree, another bird comes; Three small fish are in the jar, and the other one is scooped in; There are more than three daffodils and two flower buds in the flowerpot; There are four candles in the cake, one in it and so on.

3. Guide children to carefully observe the birds, goldfish, daffodils and candles in the first picture, find the combination relationship contained in them, and understand that how much and how much add up to a certain number.