数学问题情境,是指以激发学生问题意识为价值取向的刺激性的数据材料和背景信息。创设一个好的数学问题情境,让学生有机会经历“问题情境——建立数学模型——解释、应用或拓展”这一重要的数学活动过程,对于促进学生理解新的数学概念,形成新的数学技能,掌握基本的数学原理或公式,领悟基本的数学思想方法,有着积极 Mathematical problems situation, refers to stimulating students’ awareness of the issue of value-oriented stimulus data and background information. Create a good situation of math problems, so that students have the opportunity to experience the “math problem - the establishment of mathematical models - explain, apply or expand” this important mathematical activity process, to promote students to understand the new mathematical concepts, the formation of new Mathematical skills, master the basic mathematical principles or formulas, comprehend the basic mathematical thinking and methods, with a positive