One-to-one correspondence teaching method in small class mathematics
Activity objectives:
1, get a preliminary understanding of the one-to-one correspondence between objects.
2, in the operation and game activities, feel the corresponding relationship.
3. Willing to participate in group games.
Activity preparation:
1. Preparation of teaching AIDS: "Little Bear Family", "Elephant Carrying Wood" and "Square Building"
2. Preparation of learning tools: "Elephants carry wood"; Square Tower.
3. Operation Manual, Volume 1, Page 10.
Activity flow:
1, showing the "Little Bear Family" import.
Today, the bear family will come to our class two again. Let's have a look. (Papa bear, Mama bear, Brother bear, Sister bear, Baby bear)
2. Group activities.
(1) Demonstration teaching aid "Elephant Carrying Wood"
The Xiong family is going to build a house today, but it takes a lot of wood to build a new house. The wood is randomly arranged on the blackboard. ) They invited the most powerful elephant family to help. (Show elephants and arrange them in descending order)
The teacher plays the biggest elephant. Dad: There is so much wood. Which package should I carry?
Child: Like a father, he has to carry the biggest wood.
The teacher put the biggest wood under Father Elephant.
Teacher: Which bundle of wood should the baby elephant carry?
Young children: Baby elephants should take the smallest wood.
The teacher put the smallest piece of wood under the baby elephant.
The teacher found the corresponding wood for other elephants, and then put the wood under the elephants one by one.
(2) Use the learning tool "Square Tower" to make a one-to-one correspondence between elephants and towers.
Bear's house has been built, and the bear family is going to live in the new house! (The teacher shows the square tower), are these houses the same size? Would you please help them find a suitable house for them?
Which house should Father Bear live in? (the largest)
Find the corresponding house for the bear family in turn.
The teacher concluded that bears of different sizes live in suitable houses.
3, children's operation.
The elephant built a new house for them. The bears were so happy that they decided to build a new house for themselves when they went back. Would you please help build a beautiful house with elephants?
4. Exchange summary and organize school tools.
Teachers guide children to feel the corresponding relationship of objects in activities and put away learning tools.
We helped the elephant build a new house. The elephant was very happy. He said he wanted to thank our children.
5. Activity expansion.
Several small animals can't find a new home. Please come and see where their home is. Use a pen to connect small animals with their homes.
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