数学练习是教师了解学生知识掌握情况的主要途径,更是学生掌握知识、形成技能、发展智力、挖掘创新潜能的重要手段。数学练习的重要性不言而喻,然而在现实教学过程中教师们在思想上对练习课却并不重视,专业上也缺乏练习设计与实施的理论基础和实践经验,练习设计随意性很大,经常是简单的依照教辅按部就班,内容或机械重复、或枯燥无味、或深浅不一,形式更是单一、陈旧,缺乏生活性、趣味性、应用性,使学生一直停留在“被动”的机械题海战术 Mathematics practice is the main way for teachers to understand the situation of students’ knowledge. It is also an important means for students to master knowledge, form skills, develop intelligence and tap innovation potential. The importance of mathematical practice is self-evident, however, in the actual teaching process, teachers do not pay much attention to practice class. They also lack the theoretical basis and practical experience in practice design and implementation. , Often simple, according to the teaching auxiliary step by step, the content or mechanical repetition, or boring, or different shades, the form is more single, outdated, lack of life, fun, applicability, so that students have been staying in the “passive” Mechanical problem of sea tactics