新教材第一册根据新大纲的要求，在原教材的基础上修改而成。主要教学内容包括：准备课，10以内数的认识和加减法，11～20各数的认识。20以内的进位加法和退位减法（六年制教材是20以内的进位加法），求和、求剩余和求另一个加数的加减法简单应用题（六年制教材只有求和与求剩 According to the requirements of the new syllabus, the first volume of new textbooks is revised based on the original textbooks. The main teaching contents include: preparation class, 10 within the number of recognition and addition and subtraction, 11 ~ 20 understanding of each number. 20 addition and subtraction within the carry-in subtraction (six-year teaching is the addition of carry within 20), summing, seeking the remainder and seeking addition and subtraction of a simple application of additional questions (six-year teaching material only summation and demand