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一、理清知识脉胳，把握整体结构10以内数的认识和加减法计算，是儿童学习数学的开始。它包括10以内数的认识、10以内的加减法及用图画表示的应用题等内容。教材一方面继承了原通过教材中认数和计算相结合，加减法穿插进行，突出加减法之间的关系等特点；另一方面，为了加强对?
First, to clarify the knowledge base, to grasp the overall structure of the number of 10 recognition and addition and subtraction calculation is the beginning of children's learning mathematics. It includes the number of less than 10 awareness, addition and subtraction within 10 and the use of pictures that the application of topics and so on. Textbooks on the one hand inherited the original through the teaching of the combination of recognition and calculation, interspersed with addition and subtraction, highlighting the relationship between addition and subtraction and other characteristics; the other hand, in order to strengthen?