作者介紹
一、教學(xué)背景在初中數(shù)學(xué)課程中,有理數(shù)的加法是學(xué)生進(jìn)入代數(shù)學(xué)習(xí)的重要基礎(chǔ)。通過本節(jié)課的學(xué)習(xí),學(xué)生將掌握正數(shù)與負(fù)數(shù)相加的運算規(guī)則,并能
As the saying goes, "A journey of a thousand miles begins with a single step " For me, this journey starts wit