当今,数学的定量化特征越来越多地服务于人们的日常生活。学生在学习生活中遇到的问题就有不少需要用数学知识或数学思想来解决。教师如能善于捕捉此类问题,并将其作为课堂议题,以生活化的数学问题展开讨论,进行教学,不仅有助于提高学生参与学习的积极性和兴趣,而且有利于学生 Today, quantitative features of mathematics are increasingly serving people’s daily lives. There are quite a few problems encountered by students in their study life which need to be solved by mathematical knowledge or mathematical thinking. If teachers are good at catching such problems and classifying them as topics in classrooms and discussing the mathematical issues of life, teaching not only helps to increase students’ enthusiasm and interest in participating in learning, but also helps students