1. By operating the learning tools, let the children experience the process that the number corresponds to the quantity within 100.

2. Operationally, continue to perceive the corresponding relationship between number and quantity.

3. Experience the fun of math learning and develop the habit of concentration and care.

Activity preparation:

1. Teaching aid preparation: "Golden Ball"; "digital card"; A lot of digital cards have been written.

2. Preparation of school tools: "Golden Ball"; "digital card"; Gypsum; A lot of digital cards have been written.

3. Operation Manual, Volume 6, Page 2 1-22.

Activity flow:

1. Prepare for the activity.

Game: point soldiers, point generals. The children stand in a circle and the teacher stands in the circle, reading nursery rhymes with the children (nursery rhymes are attached). When reading nursery rhymes, the teacher touched the children's heads one by one. After reading the last sentence, all the moved children raised their right hands and shouted, "Here!" " "

2. Group activities.

① Check the numbers.

The teacher shows a "digital card", such as "123". Let the children tell us how many digits this number is, how many digits it is, how many digits it is.

(2) Learn to count pearls.

Create a situation: find friends. "Find a friend, find a good friend, salute, shake hands. You are my good friend. " Jinzhu wants to be friends with digital cards. Let's help them!

The teacher took out a golden bead and asked, "How many beads are there? Which digital card friend can I use? " The teacher took out the digital card "1" and put it under the beads.

The teacher took out a string of golden beads and asked, How many beads are there in a string? Who is its digital friend? Then ask: What about those two strings, three strings and a golden ball?

The teacher took out a digital film, such as 78, read the digital card first, then took out 7 strings of gold beads and 8 gold beads and put them under the digital card "78".

③ Children's free operation exercises.

3. Game activities.

See who got it right. The teacher counted or showed the digital cards, and the children quickly took out the corresponding number of gold beads to check with each other. Let's see who can hold it quickly and accurately.

4. Group activities.

Teacher: Digital cards and golden beads should be separated. Let's organize them together.

Count the pearls. Children in pairs, one shows the digital card, and the other takes the corresponding gold beads according to the digital card.

Make beads by quantity. Children are divided into groups freely, with 4-5 people in each group. Each group provides a digital card. According to the numbers on the card, the children make the same amount of mud beads with plasticine. Green plasticine represents a unit, and a green bead represents a "1"; The blue one represents ten people, and a blue ball represents a "10".

5. Exchange summary and organize school tools.

The teacher makes a simple summary of the child's learning situation and instructs the child to tidy up the school tools.