八下 第四章 平行四邊形 by 彭甫堅 https://padlet.com/pon35/obem7bbscp0gby92 瑞源 鐘組長 en-us 2022-02-17 08:07:47 UTC 2022-10-02 12:24:45 UTC hello@padlet.com 翰林第四冊第四章平行與四邊形 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2061630137 2022-02-23 00:58:41 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2061630137 先備知識 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2061639748 2022-02-23 01:07:16 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2061639748 平行線截線性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2061701168 1.同位角相等。
2.內錯角相等。
3.同側內角互補。]]> 2022-02-23 01:54:52 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2061701168 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062763914 2022-02-23 15:03:38 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062763914 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062766574 2022-02-23 15:04:53 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062766574 S-7-1簡單圖形與幾何符號 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062798239 點、線、線段、射線、角、三角形與其符號的介紹]。]]> 2022-02-23 15:19:54 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062798239 S-IV-1 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062803523 理解並應用符號及文字敘述表達概念、運算、推理及證明。\]]> 2022-02-23 15:22:15 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062803523 S-7-4線對稱的性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062830715 對稱線段等長；對稱角相等‧；對稱點的連線段會被對證軸垂直平分。]]> 2022-02-23 15:35:36 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062830715 S-IV-5 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2062878010 理解線對稱的意義和線對稱圖形的幾何性質，並能應用於解決幾何與日常生活的問題。]]> 2022-02-23 16:00:53 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2062878010 大概念 https://padlet.com/pon35/obem7bbscp0gby92/wish/2068006487 2022-02-27 08:20:07 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068006487 從邊角關係來探討平行四邊形 https://padlet.com/pon35/obem7bbscp0gby92/wish/2068007145 2022-02-27 08:20:49 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068007145 1.兩條直線的關係(邊與邊的關係) wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068018087 2022-02-27 08:40:13 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068018087 2.三線八角(兩條直線與一截線)來探討角的關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068028862 2022-02-27 08:59:57 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068028862 連結 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068064667 2022-02-27 10:10:27 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068064667 目前 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068065206 2022-02-27 10:11:11 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068065206 S-8-9平行四邊形的基本性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068065781 關於平行四邊形的內角、邊與對角線的幾何性質。]]> 2022-02-27 10:12:11 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068065781 S-IV-8 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068071611  理解特殊三角形（如正三角形、等腰三角形、直角三角形）、特殊四邊形（如 正方形、矩形、平行四邊形、菱形、箏形、梯形）和正多邊形的幾何性質及相 關問題。 ]]> 2022-02-27 10:24:20 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068071611 S-9-1 相似形 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068073020 平面圖形縮放的意義；多邊形相似的意義；對應角相等；對應
邊長成比例。]]> 2022-02-27 10:27:00 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068073020 S-9-2 三角形的相似性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068073950 三角形的相似判定（AA、SAS、SSS）；對應邊長之
比＝對應高之比；對應面積之比＝對應邊長平方之比；利用三角形相似的概念解應用問題；相似符號（~）。]]> 2022-02-27 10:29:04 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068073950 S-9-3 平行線截比例線段 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068076982 連接三角形兩邊中點的線段必平行於第三邊（其長度等於第三邊的一半）；平行線截比例線段性質；利用截線段成比例判定兩直線平行；平行線截比例線段性質的應用。]]> 2022-02-27 10:35:01 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068076982 S-9-4 相似直角三角形邊長比值的不變性 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068083353 直角三角形中某一銳角的角度決定邊長比值，該比值為不變量，不因相似直角三角形的大小而改變；三內角為30°,60°,90° 其邊長比記錄為「1: 根號3 : 2」；三內角為 45°,45°,90° 其邊長比記錄為「1:1: 2 」。
備註：學生無使用計算機時，角度限於30 度、45 度、60 度。]]> 2022-02-27 10:47:13 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068083353 S-9-5 圓弧長與扇形面積 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068084544 以π表示圓周率；弦、圓弧、弓形的意義；圓弧長公
式；扇形面積公式。]]> 2022-02-27 10:49:00 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068084544 3.兩組對邊的關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068085054 2022-02-27 10:49:52 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068085054 判別平行四邊形 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068092541 菱形、鳶形、正方形、長方形、梯形等四邊形，讓學生以邊角關係來判別哪些是平行四邊形
(對象:四邊封閉的四邊形)]]> 2022-02-27 11:03:48 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068092541 特徵 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068110812 2022-02-27 11:37:46 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068110812 非特徵 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068110974 2022-02-27 11:38:05 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068110974 對邊關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068113743 2022-02-27 11:44:13 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068113743 對角關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068113902 2022-02-27 11:44:33 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068113902 邊角關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068117218 2022-02-27 11:51:32 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068117218 四邊等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068119505 2022-02-27 11:56:22 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068119505 兩組對邊分別等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068119904 2022-02-27 11:57:15 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068119904 四邊等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068125272 2022-02-27 12:08:27 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068125272 鄰邊關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068128708 2022-02-27 12:14:44 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068128708 對角關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068229082 2022-02-27 14:53:32 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068229082 對邊關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068229642 2022-02-27 14:54:12 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068229642 邊角關係 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068230329 2022-02-27 14:55:24 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068230329 只有一組對角相等 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068233424 2022-02-27 15:00:11 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068233424 只有一組對邊相等 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068233815 2022-02-27 15:00:43 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068233815 只有一組鄰邊等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068234174 2022-02-27 15:01:15 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068234174 兩組鄰邊等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068234483 2022-02-27 15:01:45 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068234483 一組對邊等長且一組對角相等 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068235427 2022-02-27 15:03:25 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068235427 兩組對角相等 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068241154 2022-02-27 15:12:25 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068241154 一組對邊平行且等長 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2068242966 2022-02-27 15:15:00 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2068242966 4.以對角線來區分不同的四邊形 https://padlet.com/pon35/obem7bbscp0gby92/wish/2074971066 2022-03-03 03:33:22 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2074971066 平行四邊形判別圖例 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2090480598 2022-03-11 13:58:19 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2090480598 平行的特性 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127078924 1.在平面上的兩條平行線會同時與另一條直線垂直。
2.兩條平行線間的距離處處相等，且永不相交。
3.在平面上，若有兩條直線同時雨衣直線平行，則這兩條直線互相平行。]]> 2022-04-03 10:52:06 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127078924 平行線的判別 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127098498 兩條直線被一條直線所截，如果符合下列任一條件，則兩條直線平行。
1.同位角相等。
2.內錯角相等。
3.同側內角互補。]]> 2022-04-03 11:24:12 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127098498 平行線距離的應用 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127181365 利用「兩平行線之間的距離處處等距」的性質，可做等面積圖形的變化。]]> 2022-04-03 13:37:14 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127181365 4-1 平行線與截線性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127187917 2022-04-03 13:44:58 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127187917 4-2 平行四邊形 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127189697 2022-04-03 13:47:21 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127189697 平行四邊形定義: wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127192312 兩組對邊分別平行的四邊形]]> 2022-04-03 13:50:52 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127192312 平行四邊形的性質 wind2000pipi https://padlet.com/pon35/obem7bbscp0gby92/wish/2127201422 2022-04-03 14:02:21 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127201422 中概念 https://padlet.com/pon35/obem7bbscp0gby92/wish/2127928611 2022-04-04 04:21:35 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2127928611 4-1通則提取方式製作 https://padlet.com/pon35/obem7bbscp0gby92/wish/2129877286 https://padlet.com/wind2000pipi/mh1cbh2qwzktg7ox]]> 2022-04-05 03:03:40 UTC https://padlet.com/pon35/obem7bbscp0gby92/wish/2129877286