Children like to build with building blocks in corner activities and games. In activities, children often hear such a discussion: "My house is taller than yours!" " ""My house is bigger than yours! ""Why is your house smaller than mine, but it uses more building blocks than mine? "You have more building blocks than me. In the process of counting building blocks, children often encounter such a problem: the building blocks in the middle are invisible and I don't know how many. Therefore, in view of the development of children's spatial logic, this section aims to cultivate children's activities of systematically speculating quantity and challenging spatial logic. I think this theme is very helpful to the development of children's spatial computing ability, so I want to further adjust and sort out the teaching plans and continue to design teaching activities that meet the needs of large class children in view of the fact that our department is not equipped with whiteboards at present.

moving target

1, in the process of counting blocks, learn the method of orderly observation and statistics.

2, can clearly express the content of observation, like to challenge the spatial logic game.

Important and difficult

Focus: Learn the method of observing and calculating quantity in an orderly way.

Difficulty: Can clearly express the content of observation.

Activities to be prepared

Small cube building blocks; Some pictures of "building blocks"; Paper and pen for recording.

Activity process

Process:

First, talk about building and winning building blocks.

Lead: There are all kinds of old houses and new buildings in the city where we live. What kind of house do you like and why?

Fun: Do you want to build a house you like?

Transition: Today we are going to build a house with building blocks! How many blocks are there on each group's desk? Is it enough to build a house?

Then please divide you into four groups and win more blocks in the block counting game.

Second, spell the answers and count the building blocks

(1) Calculate the same number of building blocks.

Lead: Listen to the topic clearly! (Show different houses built with the same number of building blocks)

Question: I built four houses with building blocks. Please count carefully. How many building blocks does each house consist of?

Form: record the answers on the record paper and present them at the bottom of each house. If your answer is correct, please add a building block to the group.

Verify: Remove the roof and demote the floor.

Key question: How many floors does the house have? How many pieces are there on each floor? How many pieces are there in a * *?

Summary: The same number of blocks can make different houses, but some blocks are blocked by other blocks. It is not easy for us to find that when counting, we can make it clear one layer at a time, and there are not many invisible building blocks.