整式的乘法單項(xiàng)式與多項(xiàng)式相乘(優(yōu)質(zhì)課)獲獎(jiǎng)?wù)n件

第十二章整式的乘除12.2.2單項(xiàng)式和多項(xiàng)式相乘第十二章整式的乘除12.2.2單項(xiàng)式和多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘探究新知活動(dòng)1知識(shí)準(zhǔn)備9ma＋mb＋mc－8x3y6x3y12.2.2單項(xiàng)式與多項(xiàng)式相乘探究新知活動(dòng)1知識(shí)12.2.2單項(xiàng)式與多項(xiàng)式相乘活動(dòng)2教材導(dǎo)學(xué)a(a＋b)＝a2＋ab(a＋b)aa(a＋b)a2ab12.2.2單項(xiàng)式與多項(xiàng)式相乘活動(dòng)2教材導(dǎo)學(xué)a(a＋b12.2.2單項(xiàng)式與多項(xiàng)式相乘m(a＋b＋c)＝ma＋mb＋mc(a＋b＋c)m(a＋b＋c)mambmc(ma＋mb＋mc)12.2.2單項(xiàng)式與多項(xiàng)式相乘m(a＋b＋c)＝ma＋m新知梳理12.2.2單項(xiàng)式與多項(xiàng)式相乘?知識(shí)點(diǎn)單項(xiàng)式與多項(xiàng)式相乘的法則ma＋mb＋mc每一項(xiàng)積相加新知梳理12.2.2單項(xiàng)式與多項(xiàng)式相乘?知識(shí)點(diǎn)重難互動(dòng)探究12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題一單項(xiàng)式與多項(xiàng)式相乘重難互動(dòng)探究12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題一單12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題二單項(xiàng)式與多項(xiàng)式相乘的應(yīng)用12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題二單項(xiàng)式與多項(xiàng)式12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題三單項(xiàng)式與多項(xiàng)式相乘的簡(jiǎn)單應(yīng)用12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題三單項(xiàng)式與多項(xiàng)式12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘備選探究問(wèn)題單項(xiàng)式乘以多項(xiàng)式的圖形意義12.2.2單項(xiàng)式與多項(xiàng)式相乘備選探究問(wèn)題單項(xiàng)式乘以多12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘第十三章全等三角形13.5.2線段垂直平分線第十三章全等三角形13.5.2線段垂直平分線13.5.2線段垂直平分線探究新知活動(dòng)1知識(shí)準(zhǔn)備40°4cm13.5.2線段垂直平分線探究新知活動(dòng)1知識(shí)準(zhǔn)備4活動(dòng)2教材導(dǎo)學(xué)13.5.2線段垂直平分線線段的垂直平分線中心對(duì)稱活動(dòng)2教材導(dǎo)學(xué)13.5.2線段垂直平分線線段的垂直平分線13.5.2線段垂直平分線相等S.A.S.PAO13.5.2線段垂直平分線相等S.A.S.PAO13.5.2線段垂直平分線到線段兩端距離相等的點(diǎn)在這條線段的垂直平分線上MN13.5.2線段垂直平分線到線段兩端距離相等的點(diǎn)在這條線段新知梳理?知識(shí)點(diǎn)一線段垂直平分線的性質(zhì)定理13.5.2線段垂直平分線距離相等?知識(shí)點(diǎn)二線段垂直平分線的性質(zhì)定理的逆定理垂直平分線距離相等新知梳理?知識(shí)點(diǎn)一線段垂直平分線的性質(zhì)定理13.513.5.2線段垂直平分線?知識(shí)點(diǎn)三三角形三邊的垂直平分線交于一點(diǎn)，且到三個(gè)頂點(diǎn)的距離相等13.5.2線段垂直平分線?知識(shí)點(diǎn)三三角形三邊重難互動(dòng)探究探究問(wèn)題一線段垂直平分線的性質(zhì)定理的應(yīng)用13.5.2線段垂直平分線重難互動(dòng)探究探究問(wèn)題一線段垂直平分線的性質(zhì)定理的應(yīng)用13.13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線探究問(wèn)題二線段垂直平分線的判定定理的應(yīng)用13.5.2線段垂直平分線探究問(wèn)題二線段垂直平分線的判定定理的應(yīng)用13.5.2線段13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線第十二章整式的乘除12.2.2單項(xiàng)式和多項(xiàng)式相乘第十二章整式的乘除12.2.2單項(xiàng)式和多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘探究新知活動(dòng)1知識(shí)準(zhǔn)備9ma＋mb＋mc－8x3y6x3y12.2.2單項(xiàng)式與多項(xiàng)式相乘探究新知活動(dòng)1知識(shí)12.2.2單項(xiàng)式與多項(xiàng)式相乘活動(dòng)2教材導(dǎo)學(xué)a(a＋b)＝a2＋ab(a＋b)aa(a＋b)a2ab12.2.2單項(xiàng)式與多項(xiàng)式相乘活動(dòng)2教材導(dǎo)學(xué)a(a＋b12.2.2單項(xiàng)式與多項(xiàng)式相乘m(a＋b＋c)＝ma＋mb＋mc(a＋b＋c)m(a＋b＋c)mambmc(ma＋mb＋mc)12.2.2單項(xiàng)式與多項(xiàng)式相乘m(a＋b＋c)＝ma＋m新知梳理12.2.2單項(xiàng)式與多項(xiàng)式相乘?知識(shí)點(diǎn)單項(xiàng)式與多項(xiàng)式相乘的法則ma＋mb＋mc每一項(xiàng)積相加新知梳理12.2.2單項(xiàng)式與多項(xiàng)式相乘?知識(shí)點(diǎn)重難互動(dòng)探究12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題一單項(xiàng)式與多項(xiàng)式相乘重難互動(dòng)探究12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題一單12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題二單項(xiàng)式與多項(xiàng)式相乘的應(yīng)用12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題二單項(xiàng)式與多項(xiàng)式12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題三單項(xiàng)式與多項(xiàng)式相乘的簡(jiǎn)單應(yīng)用12.2.2單項(xiàng)式與多項(xiàng)式相乘探究問(wèn)題三單項(xiàng)式與多項(xiàng)式12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘備選探究問(wèn)題單項(xiàng)式乘以多項(xiàng)式的圖形意義12.2.2單項(xiàng)式與多項(xiàng)式相乘備選探究問(wèn)題單項(xiàng)式乘以多12.2.2單項(xiàng)式與多項(xiàng)式相乘12.2.2單項(xiàng)式與多項(xiàng)式相乘第十三章全等三角形13.5.2線段垂直平分線第十三章全等三角形13.5.2線段垂直平分線13.5.2線段垂直平分線探究新知活動(dòng)1知識(shí)準(zhǔn)備40°4cm13.5.2線段垂直平分線探究新知活動(dòng)1知識(shí)準(zhǔn)備4活動(dòng)2教材導(dǎo)學(xué)13.5.2線段垂直平分線線段的垂直平分線中心對(duì)稱活動(dòng)2教材導(dǎo)學(xué)13.5.2線段垂直平分線線段的垂直平分線13.5.2線段垂直平分線相等S.A.S.PAO13.5.2線段垂直平分線相等S.A.S.PAO13.5.2線段垂直平分線到線段兩端距離相等的點(diǎn)在這條線段的垂直平分線上MN13.5.2線段垂直平分線到線段兩端距離相等的點(diǎn)在這條線段新知梳理?知識(shí)點(diǎn)一線段垂直平分線的性質(zhì)定理13.5.2線段垂直平分線距離相等?知識(shí)點(diǎn)二線段垂直平分線的性質(zhì)定理的逆定理垂直平分線距離相等新知梳理?知識(shí)點(diǎn)一線段垂直平分線的性質(zhì)定理13.513.5.2線段垂直平分線?知識(shí)點(diǎn)三三角形三邊的垂直平分線交于一點(diǎn)，且到三個(gè)頂點(diǎn)的距離相等13.5.2線段垂直平分線?知識(shí)點(diǎn)三三角形三邊重難互動(dòng)探究探究問(wèn)題一線段垂直平分線的性質(zhì)定理的應(yīng)用13.5.2線段垂直平分線重難互動(dòng)探究探究問(wèn)題一線段垂直平分線的性質(zhì)定理的應(yīng)用13.13.5.2線段垂直平分線13.5.2線段垂直平分線13.5.2線段垂直平分線