人教版九年級(jí)數(shù)學(xué)下冊(cè)全冊(cè)教案

數(shù)學(xué)教案九年級(jí)下冊(cè)2008—2009學(xué)年度教師：曹剛哈爾濱巨源第二中學(xué)校第1頁(yè)共93頁(yè)教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖長(zhǎng)123456789x??8?-1-?yy與x22222作業(yè)必做設(shè)計(jì)選做教學(xué)反思-2-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)22設(shè)計(jì)意圖?xx?3210123?412與22?-3-與22222AB、y?ABCD、y?CDABABABCDCDD作業(yè)必做設(shè)計(jì)選做教學(xué)反思-4-教學(xué)時(shí)間cb2bb數(shù)2b2教學(xué)重點(diǎn)教學(xué)難點(diǎn)2bb2設(shè)計(jì)意圖222?222x??28382y＝x＋2?93l39?1和122-5-222?2；值y隨x0y隨x0。?-6-131313222k?2作業(yè)必做設(shè)計(jì)選做-7-教學(xué)時(shí)間）2a(x22222222教學(xué)重點(diǎn)教學(xué)難點(diǎn)2＝22設(shè)計(jì)意圖122222??2222212222?-8-22222?＝2?22?2作業(yè)必做設(shè)計(jì)選做教學(xué)反思-9-教學(xué)時(shí)間）22k22kkk2k2k教學(xué)重點(diǎn)教學(xué)難點(diǎn)k－2設(shè)計(jì)意圖1?22222222222??－112位向y軸12圖?1?2-10-213131322?作業(yè)必做設(shè)計(jì)選做-11-教學(xué)時(shí)間）2ccc教學(xué)重點(diǎn)教學(xué)難點(diǎn)標(biāo)b、b2－，)設(shè)計(jì)意圖2222221?2522?122224－1522-12-1252222??bab2222222b)作業(yè)必做設(shè)計(jì)選做教學(xué)反思-13-教學(xué)時(shí)間）教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖2222?y5。5。例8-14-?221212(220x0222作業(yè)必做設(shè)計(jì)選做教學(xué)反思-15-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖?-16-出DDDD為y2。2x2?2x-17-－01232x?2222?2222作業(yè)必做設(shè)計(jì)選做教學(xué)-18-教學(xué)時(shí)間2和cc2和cc教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖2222222x1212112212121232B和2-19-??22222?2222和1的3212當(dāng)x2y。118121x1，2212作業(yè)必做設(shè)計(jì)選做-20-教學(xué)時(shí)間）2＝2、＝2c教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖yO的yxy2BAxA的xyAxA的xy-21-?541545ACxB4＝21432＋4-22-c是作業(yè)必做設(shè)計(jì)選做-23-教學(xué)時(shí)間）教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖12c?2bb2－，2，，-24-b28。22。例y2b244284。b3解21＝8＝3＝＋。21494893-25-xq22422作業(yè)必做設(shè)計(jì)選做-26-教學(xué)時(shí)間）到k教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖2y(m2)x2y(m2)x使m2m4xm，2m＋2或22m2my隨xy隨x-27-b22x2CB，。D的D。2由2與xC，2S。D223∴－(，-28-222作業(yè)必做設(shè)計(jì)選做-29-教學(xué)時(shí)間）教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖c2P(。2221212若mxAmc3。M-30-M2。＝3又?！涝O(shè)3＝2M，)22MMM。mxm作業(yè)必做設(shè)計(jì)選做教學(xué)反思-31-教學(xué)時(shí)間）教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖112為M1-32-5125M2513－＋∴MM23?()的x2-33-x35x3。123)作業(yè)必做設(shè)計(jì)選做-34-教學(xué)時(shí)間27.1圖形的相似（一）．．教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖．-35-bd作或．）a5）b3ab=）.-36-.；．作業(yè)必做4設(shè)計(jì)選做-37-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖．．11例）A-38-例例ABCDABCDA，1111111111112332．）個(gè)個(gè)111111111111作業(yè)必做設(shè)計(jì)選做教學(xué)反思-39-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖ABBCCAk．ABBCCA,,C,且．例，．-40-由103）2∥，∥AB）作業(yè)必做設(shè)計(jì)選做-41-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖ABB'C-42-例例）2172∽254作業(yè)必做設(shè)計(jì)選做教學(xué)反思-43-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)3設(shè)計(jì)意圖2PAPCPDPB例2E為于、和-44-103．作業(yè)必做設(shè)計(jì)選做-45-教學(xué)時(shí)間．．教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖例例A-46-例例x例例）作業(yè)必做設(shè)計(jì)選做-47-教學(xué)時(shí)間．．教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖ABC∽．k．S(2ABSBC-48-12．6和，．3ABCABC111222111ABC222作業(yè)必做設(shè)計(jì)選做教學(xué)反思-49-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖例-50-例112，，′，使得-51-OAOBOCOD1；OAOBOCOD2O；，OAOBOCOD1OAOBOCOD2BCAD．．2作業(yè)必做設(shè)計(jì)選做-52-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖，1ABCABC111111xABC222ABC222333ABC3331O3三個(gè)頂點(diǎn)坐標(biāo)分別為，O-53-例11()()22．2．，的EF．作業(yè)必做設(shè)計(jì)選做教學(xué)反思-54-教學(xué)時(shí)間、、教學(xué)重點(diǎn)教學(xué)難點(diǎn)、、設(shè)計(jì)意圖AA3例BBCAAC3°-55-）2-°°33求2CAB作業(yè)必做設(shè)計(jì)選做-56-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)教學(xué)準(zhǔn)備教師學(xué)生設(shè)計(jì)意圖a)222．．-57-B例3在)2作業(yè)必做設(shè)計(jì)選做教學(xué)反思-58-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)教學(xué)準(zhǔn)備教師學(xué)生設(shè)計(jì)意圖222AA-59-中F．PQO0ABαA為所AB-60-教學(xué)反思-61-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖例P0AP0B-62-PB．3作業(yè)必做設(shè)計(jì)選做-63-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖5AD．-64-作業(yè)必做設(shè)計(jì)選做-65-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖-66-、E．A8BACA位-67-（作業(yè)必做設(shè)計(jì)選做-68-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖hli，l-69-h＝lαα=不形和．-70-和3＝2S？．-71-作業(yè)必做設(shè)計(jì)選做-72-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖如-73--74-)作業(yè)必做設(shè)計(jì)選做教學(xué)反思-75-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖:;-76-11112222;作業(yè)必做設(shè)計(jì)選做6-77-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖-78-.1、-79-作業(yè)必做設(shè)計(jì)選做-80-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖;-81-作業(yè)必做設(shè)計(jì)選做-82-教學(xué)時(shí)間教學(xué)重點(diǎn)教學(xué)難點(diǎn)設(shè)計(jì)意圖-83-作業(yè)必做設(shè)計(jì)選做-84-教學(xué)時(shí)間