一、教学目标1.认识小数的产生,小数和整数的关系。记住小数的定义。2.理解小数的实际意义,小数和十进分数的关系。3.把十进分数改写成小数和把纯小数改写成分数。二、教学过程(一)基本训练,奠定基础。1.把下面各数改写成用元作单位的小数。1角=()元3元4角5分:()元9分=()元6角7分=()元 First, the teaching objectives 1. Recognize the generation of decimals, the relationship between decimal and integer. Remember the definition of decimals. 2. Understand the real meaning of decimals, the relationship between decimals and decimal scores. 3. Rewrite the decimal fraction as a decimal number and the pure decimal number as a fraction. Second, the teaching process (a) basic training, laying the foundation. 1. Rewrite the following numbers as decimals. 1 corner = () yuan 3 yuan 4 corner 5 points: () yuan 9 points = () yuan 6 corner 7 points = () yuan