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歌谣具有高度的概括性、凝练的语言、和谐的韵律及节奏等特点。在数学教学中,把知识编成儿歌或歌谣的形式,更便于学生理解及掌握,在运用中记住这些知识。9加几是20以内进位加法的第一课。它是在学生学习了11—20各数的认识及10加几的基础上进行教学的。学生掌握好本节课知识,可以为以后进一步学习20以内的进位加法奠定良好的基础。大家对歌谣都很熟悉,但数学歌谣却很少见。为了适应学生的年龄特点,笔者把数学语言通俗化、趣味化,使孩子们喜闻乐
Ballad has a high degree of generality, concise language, rhythm and rhythm and other characteristics of harmony. In mathematics teaching, the knowledge compiled into the form of children’s songs or songs, more convenient for students to understand and grasp, in the use of this knowledge. 9 plus a few is the first lesson of carry addition. It is in the students learn the number of 11-20 understanding and 10 plus a few based on teaching. Students master the knowledge of this lesson, you can further learn to add within 20 to lay a good foundation. Everyone is familiar with ballads, but math ballads are rare. In order to adapt to the age characteristics of students, the author popularization of mathematical language, fun, so that children love to hear music