“用数对确定位置”是苏教版教材五(下)中的一个教学内容,主要让学生理解数对的含义,掌握用数对表示点的位置和根据已知的数对确定点的位置。应该说内容本身是简约的,但其背后隐藏着丰富的数 “The number of pairs to determine the position ” is a teaching content of the textbook of Jiangsu Education Edition (the second), mainly for students to understand the meaning of number pairs, to grasp the position of the point with the number of pairs and according to the known number of pairs to determine the point s position. It should be said that the content itself is simple, but the hidden behind the rich number