初二數(shù)學(xué)上冊(cè)各章節(jié)知識(shí)點(diǎn)例題

1、初二數(shù)學(xué)高分速成（上冊(cè)）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(shí)總結(jié).....................................................................................................................................

3、..1（二）例題精講.......................................................................................................................................1知識(shí)點(diǎn)一：全等三角形的性質(zhì).............................................................

4、..........................................1知識(shí)點(diǎn)二：三角形全等的判定.......................................................................................................2知識(shí)點(diǎn)三：三角形全等的開(kāi)方性探索............................................

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

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

7、.......................5考點(diǎn)一：已知一邊與其一鄰角對(duì)應(yīng)相等.......................................................................................5考點(diǎn)二：已知兩邊對(duì)應(yīng)相等...............................................................................

8、............................6考點(diǎn)三：已知兩角對(duì)應(yīng)相等...........................................................................................................8三、角的平分線的性質(zhì).............................................................

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

10、....................................................................................................................................10知識(shí)點(diǎn)一：(尺規(guī)作圖)作角平分線......................................................................

11、........................10知識(shí)點(diǎn)二：角平分線的性質(zhì)定理.................................................................................................11知識(shí)點(diǎn)三：角平分線的逆定理....................................................................

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

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

14、.........13考點(diǎn)一：利用“角平分線的對(duì)稱性”求解.................................................................................13考點(diǎn)二：利用“角平分線的性質(zhì)”求解.....................................................................................15第十二章

15、軸對(duì)稱圖形.........................................................................................................................................16一、軸對(duì)稱圖形知識(shí)總結(jié).................................................................

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

17、..........................................................................................................................17知識(shí)點(diǎn)一：軸對(duì)稱........................................................................................

18、.................................17知識(shí)點(diǎn)二：作軸對(duì)稱圖形.............................................................................................................18知識(shí)點(diǎn)三：等腰三角形.....................................................

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

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

21、...............21考點(diǎn)一：證明一個(gè)三角形是等腰三角形的方法.........................................................................21考點(diǎn)二：巧用“三線合一”證題及軸對(duì)稱應(yīng)用.........................................................................22第十三章實(shí)數(shù)及其運(yùn)算...

22、..................................................................................................................................24一、實(shí)數(shù)及其運(yùn)算................................................................................

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

24、.........................................................................................................................24知識(shí)點(diǎn)一：平方根、算術(shù)平方根的概念及表示方法.................................................................24知識(shí)點(diǎn)二：平方根

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

26、................48考點(diǎn)一：注意掌握公式的結(jié)構(gòu)特點(diǎn).............................................................................................48考點(diǎn)二：注意創(chuàng)造條件使用公式..............................................................................

27、...................49考點(diǎn)三：注意乘法公式的逆用.....................................................................................................49三、因式分解基礎(chǔ)知識(shí)與分解方法....................................................................

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

29、.........................................................................................................51知識(shí)點(diǎn)一：提公因法分解因式....................................................................................................

30、.51知識(shí)點(diǎn)二：公式法分解因式.........................................................................................................52知識(shí)點(diǎn)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(jié)..................................................................

32、...................................................................53（二）例題精講.....................................................................................................................................53考點(diǎn)一：拆項(xiàng)、添項(xiàng)

33、法分解因式.................................................................................................53考點(diǎn)二：換元法分解因式.........................................................................................................