小学低年级的基本口算主要分为两部分。一是20以内一位数加一位数的进位加法及相应的退位减法(其中包括10以内数的加、减法);二是表内乘法和相应的除法。我在教学中采取以下办法来提高学生的基本口算能力。一、打好10以内加、减法的基础 10以内数的加法及相应的减法,是学习20以内加减法的基础。我教这部分内容时,在学生认识数和数序的基础上,抓住10以内数的组成这个重点,对学生进行口算训练。例如教数8时,抓住8的组成这个重点,启 The basic level of primary education in primary schools is divided into two parts. One is within 20 plus one digit plus one digit carry addition and the corresponding abatement subtraction (including the number of plus or minus 10); the second is the table multiplication and the corresponding division. In teaching I take the following measures to improve students' basic ability to speak. First, to lay 10 to add, subtract the basis of less than 10 The number of additions and the corresponding subtraction, learning to add or subtract less than 20 basis. When I teach this part of the content, based on the number of students' understanding and the number sequence, I seize the key points that make up the number within 10 and conduct oral arithmetic training for students. For example, teach the number of 8, the key to the composition of 8, Kai