Prepare a few square and round blocks for the child to insert and teach him the height of the yard. Then put a triangular or conical building block in the highest position as the roof to insert.

Looking for graphics

First of all, teach children to know building blocks with various geometric shapes, such as circle, semicircle, triangle, rectangle and so on. Then you say the shape of a building block and let him find it accurately from a pile of building blocks.

double；twofold

Put two identical rectangular building blocks in a square, two triangles in a square, two semicircles in a circle, and so on.

logarithm

Prepare a set of building blocks marked with numbers. You first code several building blocks according to the numbers inserted in the building blocks, and then ask the children to insert the corresponding digital building blocks according to the next number. If you put the wrong building block, or knock over the original coded building block in the process of putting it, you lose.

Whose building blocks are inserted more?

First, the mother and children get the same number of building blocks, and then they play the game of "rock, paper, scissors". Every time you play, the winner gets a block from the other side. After playing for 3 times, count how many pieces each side has. This game can make children understand the difference between more and less, and have preliminary experience in addition and subtraction.