胡曦茜

【摘? 要】分?jǐn)?shù)的意義是小學(xué)階段的重難點(diǎn)，也是影響學(xué)生分?jǐn)?shù)概念形成的核心。理解分?jǐn)?shù)的意義，重要的是理清整體與部分的相互依存關(guān)系，對單位“1”的認(rèn)識實(shí)現(xiàn)從數(shù)走向量的轉(zhuǎn)變。

【關(guān)鍵詞】分?jǐn)?shù)的意義;單位“1”;數(shù)和量

中圖分類號：G633.6? ? ? 文獻(xiàn)標(biāo)識碼：A? ? ? 文章編號：0493-2099（2021）27-0080-02

From the Intuitive "number" to the Abstract "quantity"

——Exemplary Talk about the Penetration of Single "1"

（The High School Affiliated to Nanjing Normal University Jiangning Branch，China）? HU Xiqian

【Abstract】The meaning of scores is the most important and difficult point in the primary school stage， and it is also the core that affects the formation of the concept of student scores. To understand the meaning of scores， it is important to clarify the interdependence between the whole and the part， and to realize the transformation of the unit "1" from counting to vector.

【Keywords】The meaning of scores; Unit "1"; Number and quantity