“课题学习”是九年义务教育阶段数学教学内容四大领域之一“实践与综合运用”的一种体现形式,通过课题学习,培养学生探究能力、综合运用所学知识解决实际问题的能力,培养学生之间合作与交流的能力,所以,每一次课题学习,作为教学的引领者——教师,我们都不能小视,都要蹲下身子与学生共同探讨与合作.人教版教材数学八年级下册“19.4课题学习重 ”Subject Learning “ is one of the four major fields of mathematics teaching contents in nine-year compulsory education ”practice and integrated use “, which is a manifestation of learning through inquiry to cultivate students’ inquiry abilities and comprehensively apply the learned knowledge to solve practical problems Problem-solving ability, and cultivating the ability of cooperation and exchange among students. Therefore, every subject study, as a leader of teaching - teachers, we can not be underestimated, should be crouched to discuss and cooperate with students. Textbook mathematics eighth grade ”19.4 topics learning heavy