1, let students know the meaning of "as much".
2. Let students experience some comparative methods in the activities of counting, comparing and swinging.
3. Let students feel the close connection between mathematics and life, and cultivate students' interest and enthusiasm in learning mathematics.
Teaching emphasis: Know the meaning of "as much". Will correctly compare "more, less". Master a better method.
Teaching difficulty: how many objects can be compared. Master the good comparison method that you think is applicable.
Teaching preparation: teaching courseware and pictures
teaching process
First, create a situation to stimulate interest
1, multimedia courseware shows the scene animation of pigs and rabbits building houses.
Students watch cartoons, tell short stories to their classmates with what they see, and turn their attention to classroom teaching.
2. Introduction to the dialogue: Let the children see whether there are more boys or girls in our class. Still as much? how do you know Today, let's learn how much to compare.
Write on the blackboard: How much is it?
Second, cooperative learning and independent inquiry
1, group cooperation, observation animation department, group communication. What stories are there in the comics?
Group communication: There are 4 radishes, 3 apples, 4 rabbits, 3 piglets, 4 logs and 4 stools. ...
2. Guide observation and initially perceive "as much"
What do you see, children? How many? (Number of students)
⑵. Q: How many bricks are there in a small brick without moving? Who's better? how do you know Do you have different ideas?
(3) Q: There is nothing superfluous when one faces the other. Let's just say how many bricks are there? (as many) is represented by an expression:
Blackboard: 4 = 4 The students' books are empty. Read the equal sign introduced by the teacher.
(4) Students think: Look, what else is as "as much" as in cartoons?
(5) Hands-on operation: Students use the items in their schoolbags to put as many items as possible.
For example: disks and triangles.