Each volume of 12 creative stories and two mathematical cultures bring 14 normal teaching points, cultivate mathematics in culture, understand mathematics in situations and learn mathematics in action. Cultivate children's mathematical language, improve children's mathematical vision, develop mathematical thinking, integrate mathematical knowledge into familiar life and study scenes, create study partners to accompany children to grow up, enhance children's interest in mathematics, and stimulate children's desire to explore Chinese characters; Restore abstract mathematical knowledge to life, support it with subject knowledge, and let children understand mathematical vision, mathematical thought and mathematical behavior.

"Primary school collective reading? Ancient poetry reader

Editor-in-chief of Professor Ni. According to the teaching requirements of Chinese textbooks, 3-4 ancient poems are selected according to the theme to form reading units, and each unit is followed by "reading practice", so that the unit works are integrated, and after-school questions are set from the aspects of words, meaning and use, so that teaching and learning are integrated. It is easy to recite, recite, learn and use ancient poems in primary schools.