Easily lead children into the beautiful world of mathematics. Teacher Wu Zhengxian, a special math teacher and a special allowance expert of the State Council, has carefully compiled a reading guide.

Let children see this change and feel the surprise of digital multiplication through the change and growth of lazy people and seeds after planting. When a seed changes, it can not only be eaten and propagated, but also stored and exchanged.

Anyo Guangya makes use of the differences in position, figure and color to let children observe and think: which ones are food? Which ones will be buried underground? Which one will be sold? What to store in the barn.

Finally, is the total the same as the number of seeds harvested each year? Even better, besides the change of seeds, seeds have also changed the life of lazy people-he has changed from a man to a husband and wife, a family of three, and a paradise for cows, cats, rats and birds. They have friends and spread the seeds to their friends.

A very clever paper game, with 10 children, two beautiful houses, one left and one right, one new and one old, colorful architectural shapes, black and white house interiors and complicated house furnishings, someone will move to the new house on the right without turning two pages.

There are also real changes in opening the skylight ... This lively and interesting design makes the simple digital concept of 1- 10 more accurate, and makes children feel the synthesis and decomposition of 1 and 9,2 and 8,3 and 7 ... The important concept of 10 will be gradually established.