人教版修订的六年制小学数学第10册第三单元“约数和倍数”是最初步的数倍知识,是在学生学习整数四则运算的基础上学习的,是学生学习约分、通分、分数四则运算的基础,也是为中学学习因式分解做准备,在整个小学数学教学中占有重要地位。 PEP 6 revised elementary school mathematics tenth volumes of the third unit “divisor and multiple” is the initial knowledge of several times, is based on learning four integer arithmetic students learn is about students to learn about, through Points, the basis of four fractional arithmetic, but also for high school learning factoring in preparation, throughout the primary mathematics teaching occupies an important position.