初二數(shù)學上冊各章節(jié)知識點例題

1、初二數(shù)學高分速成（上冊）第十一章全等三角形...........................................................................................................................................1一、全等三角形及其判定................................................

2、...............................................................................1（一）知識總結.....................................................................................................................................

3、..1（二）例題精講.......................................................................................................................................1知識點一：全等三角形的性質.............................................................

4、..........................................1知識點二：三角形全等的判定.......................................................................................................2知識點三：三角形全等的開方性探索............................................

5、...............................................4二、證明三角形全等的常見思路...................................................................................................................4（一）規(guī)律總結...................................

6、....................................................................................................4（二）例題精講................................................................................................................

7、.......................5考點一：已知一邊與其一鄰角對應相等.......................................................................................5考點二：已知兩邊對應相等...............................................................................

8、............................6考點三：已知兩角對應相等...........................................................................................................8三、角的平分線的性質.............................................................

9、....................................................................10（一）知識總結.....................................................................................................................................10（二）例題精講.

10、....................................................................................................................................10知識點一：(尺規(guī)作圖)作角平分線......................................................................

11、........................10知識點二：角平分線的性質定理.................................................................................................11知識點三：角平分線的逆定理....................................................................

12、.................................12四、角平分線類問題常用思路.....................................................................................................................13（一）規(guī)律總結..............................................

13、.......................................................................................13（二）例題精講............................................................................................................................

14、.........13考點一：利用“角平分線的對稱性”求解.................................................................................13考點二：利用“角平分線的性質”求解.....................................................................................15第十二章

15、軸對稱圖形.........................................................................................................................................16一、軸對稱圖形知識總結.................................................................

16、..........................................................16（一）知識總結.....................................................................................................................................16（二）例題精講...........

17、..........................................................................................................................17知識點一：軸對稱........................................................................................

18、.................................17知識點二：作軸對稱圖形.............................................................................................................18知識點三：等腰三角形.....................................................

19、............................................................20二、軸對稱應用及等腰三角形的方法規(guī)律總結.........................................................................................21（一）規(guī)律總結........................................

20、.............................................................................................21（二）例題精講......................................................................................................................

21、...............21考點一：證明一個三角形是等腰三角形的方法.........................................................................21考點二：巧用“三線合一”證題及軸對稱應用.........................................................................22第十三章實數(shù)及其運算...

22、..................................................................................................................................24一、實數(shù)及其運算................................................................................

23、.........................................................24（一）知識總結.....................................................................................................................................24（二）例題精講............

24、.........................................................................................................................24知識點一：平方根、算術平方根的概念及表示方法.................................................................24知識點二：平方根

25、、算術平方根的性質.....................................................................................25（二）例題精講.....................................................................................................................

26、................48考點一：注意掌握公式的結構特點.............................................................................................48考點二：注意創(chuàng)造條件使用公式..............................................................................

27、...................49考點三：注意乘法公式的逆用.....................................................................................................49三、因式分解基礎知識與分解方法....................................................................

28、.........................................50（一）知識總結.....................................................................................................................................50（二）例題精講............................

29、.........................................................................................................51知識點一：提公因法分解因式....................................................................................................

30、.51知識點二：公式法分解因式.........................................................................................................52知識點三：巧用因式分解的解題....................................................................................

31、.............52四、選擇合適的方法因式分解.....................................................................................................................53（一）規(guī)律總結..................................................................

32、...................................................................53（二）例題精講.....................................................................................................................................53考點一：拆項、添項

33、法分解因式.................................................................................................53考點二：換元法分解因式.........................................................................................................