一、知识的联系及地位本节课的教学内容是九年义务教育六年制小学数学第十册月至对页例1和例己长方体、正方体和体积计算。这一内容是在学生理解了体积的低六和作和单价的共础卜讲行或学的。济由计算平面图形的面积扩展到研究立体图形的体积计算，是学生空间思维发展的一次飞跃 First, the connection and status of knowledge The teaching content of this class is the nine-year compulsory education six-year elementary school mathematics tenth to month on page 1 and the example has been a cube, cube and volume calculations. This content is in the students understand the volume of low and six for the unit price and common ground to say or learn. It is a leap in the development of students' spatial thinking that the economic expansion of the area of ​​plane graphics to the volumetric study of stereoscopic graphics