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      <title>文藻數學教材教法-整數乘除 by 師資培育中心 兼任講師王玉珍</title>
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      <pubDate>2023-10-02 19:27:52 UTC</pubDate>
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         <title>群組型</title>
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         <title>比例型</title>
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         <title>倍數比較型</title>
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         <title>矩形面積</title>
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         <title>包含除</title>
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         <title>等分除</title>
         <author>t4132</author>
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         <title>組合</title>
         <author>t4132</author>
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         <pubDate>2023-10-02 19:29:10 UTC</pubDate>
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      <item>
         <title>N-2-6  乘法：乘法的意義與應用。在學習乘法過程，逐步發展「倍」的概念，做為統整乘法應用情境的語言。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:09:57 UTC</pubDate>
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      <item>
         <title>N-2-7	十十乘法：乘除直式計算的基礎，以熟練為目標。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:10:17 UTC</pubDate>
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         <title>N-2-8	解題：兩步驟應用問題（加、減、乘）。加減混合、加與乘、減與乘之應用解題。不含併式。不含連乘。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:10:57 UTC</pubDate>
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         <title>N-2-9	解題：分裝與平分。以操作活動為主。除法前置經驗。理解分裝與平分之意義與方法。引導學生在解題過程，發現問題和乘法模式的關連。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:11:16 UTC</pubDate>
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         <title>R-2-3	兩數相乘的順序不影響其積：乘法交換律。可併入其他教學活動。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:11:54 UTC</pubDate>
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         <title>N-3-3	乘以一位數：乘法直式計算。教師用位值的概念說明直式計算的合理性。被乘數為二、三位數。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:12:43 UTC</pubDate>
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         <title>N-3-4	除法：除法的意義與應用。基於N-2-9之學習，透過幾個一數的解題方法，理解如何用乘法解決除法問題。熟練十十乘法範圍的除法，做為估商的基礎。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:13:14 UTC</pubDate>
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         <title>N-3-5	除以一位數：除法直式計算。教師用位值的概念說明直式計算的合理性。被除數為二、三位數。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:13:47 UTC</pubDate>
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         <title>N-3-6	解題：乘除應用問題。乘數、被乘數、除數、被除數未知之應用解題。連結乘與除的關係（R-3-1）。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:14:29 UTC</pubDate>
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         <title>N-3-7	解題：兩步驟應用問題（加減與除、連乘）。連乘、加與除、減與除之應用解題。不含併式。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:15:07 UTC</pubDate>
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         <title>R-3-1	乘法與除法的關係：乘除互逆。應用於驗算與解題。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:15:46 UTC</pubDate>
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         <title>N-4-2	較大位數之乘除計算：處理乘數與除數為多位數之乘除直式計算。教師用位值的概念說明直式計算的合理性。</title>
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         <pubDate>2023-10-16 17:17:59 UTC</pubDate>
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         <title>N-4-3	解題：兩步驟應用問題（乘除，連除）。乘與除、連除之應用解題。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:19:00 UTC</pubDate>
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         <title>R-4-1	兩步驟問題併式：併式是代數學習的重要基礎。含四則混合計算的約定（由左往右算、先乘除後加減、括號先算）。學習逐次減項計算。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:20:16 UTC</pubDate>
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         <title>R-4-2	四則計算規律（I）：兩步驟計算規則。加減混合計算、乘除混合計算。在四則混合計算中運用數的運算性質。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:20:40 UTC</pubDate>
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         <title>R-5-1	三步驟問題併式：建立將計算步驟併式的習慣，以三步驟為主。介紹「平均」。與分配律連結。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:21:20 UTC</pubDate>
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         <title>R-5-2	四則計算規律（II）：乘除混合計算。「乘法對加法或減法的分配律」。將計算規律應用於簡化混合計算。熟練整數四則混合計算。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:22:02 UTC</pubDate>
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         <title>N-5-2	解題：多步驟應用問題。除「平均」之外，原則上為三步驟解題應用。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:23:01 UTC</pubDate>
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         <title>R-6-4	解題：由問題中的數量關係，列出恰當的算式解題（同N-6-9）。可包含（1）較複雜的模式（如座位排列模式）；（2）較複雜的計數：乘法原理、加法原理或其混合；（3）較複雜之情境：如年齡問題、流水問題、和差問題、雞兔問題。連結R-6-2、R-6-3。</title>
         <author>t4132</author>
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         <pubDate>2023-10-16 17:26:00 UTC</pubDate>
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      <item>
         <title>第二組</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750308016</link>
         <description><![CDATA[<div>一台iPad售價10美金，買10台要花多少錢？</div>]]></description>
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         <pubDate>2023-10-17 07:37:26 UTC</pubDate>
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      </item>
      <item>
         <title>Group1</title>
         <author>1112610001</author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750308088</link>
         <description><![CDATA[<div>1. 糖果一包有5顆，妹妹買了三包，所以她共有幾顆糖。</div>]]></description>
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         <pubDate>2023-10-17 07:37:29 UTC</pubDate>
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         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750309187</link>
         <description><![CDATA[<div>一盒蘋果禮盒有6顆蘋果，媽媽買了4盒，請問總共有幾顆蘋果?</div>]]></description>
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         <pubDate>2023-10-17 07:38:17 UTC</pubDate>
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      <item>
         <title>第二組</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310315</link>
         <description><![CDATA[<div>原本有18顆乖乖軟糖，分給6個人，全部分完，每人可以拿到幾顆？</div>]]></description>
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         <pubDate>2023-10-17 07:39:04 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310315</guid>
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      <item>
         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310427</link>
         <description><![CDATA[<div>一支鉛筆30塊，弟弟買了5支，請問總共花了多少錢?</div>]]></description>
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         <pubDate>2023-10-17 07:39:09 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310427</guid>
      </item>
      <item>
         <title>Group 1</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310790</link>
         <description><![CDATA[<div>一個玩具售價20元，小明想要買五個，那總共需要花費幾元呢？</div>]]></description>
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         <pubDate>2023-10-17 07:39:26 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750310790</guid>
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      <item>
         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750311417</link>
         <description><![CDATA[<div>一包糖果有120顆，班上有30人，一個人可以分到幾顆糖果?</div>]]></description>
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         <pubDate>2023-10-17 07:39:53 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750311417</guid>
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      <item>
         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750312408</link>
         <description><![CDATA[<div>班上有35個人，自然實驗需要五人一組，班上總共會有幾組?</div>]]></description>
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         <pubDate>2023-10-17 07:40:36 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750312408</guid>
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      <item>
         <title>第二組</title>
         <author>1110208009</author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750312481</link>
         <description><![CDATA[<div>一打鉛筆有12枝，玉珍老師買了6打鉛筆，請問老師買了幾枝鉛筆.？</div>]]></description>
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         <pubDate>2023-10-17 07:40:40 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750312481</guid>
      </item>
      <item>
         <title>Group1</title>
         <author>1112610001</author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313140</link>
         <description><![CDATA[<div>弟弟手上有7元，姊姊的錢是弟弟的6倍，請問姊姊有多少錢？</div>]]></description>
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         <pubDate>2023-10-17 07:41:06 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313140</guid>
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      <item>
         <title>G3</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313168</link>
         <description><![CDATA[<div>麥當勞最近推出七龍珠卡片，一包有3張，姐姐買了三包，請問總共有幾張卡片？</div>]]></description>
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         <pubDate>2023-10-17 07:41:08 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313168</guid>
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      <item>
         <title>G3</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313468</link>
         <description><![CDATA[<div>爸爸買了10顆糖果，今天要分給姐姐和哥哥兩個人，請問一個人可以分到幾個糖果？</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:41:21 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313468</guid>
      </item>
      <item>
         <title>G3</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313623</link>
         <description><![CDATA[<div>玩一次寶可夢機台要花10元，弟弟玩了3次，總共花了多少錢？</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:41:27 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750313623</guid>
      </item>
      <item>
         <title>Group2</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750314036</link>
         <description><![CDATA[<div>玉珍數學滿分班有30人，若分成6組，一組有幾人？</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:41:42 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750314036</guid>
      </item>
      <item>
         <title>G3</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315151</link>
         <description><![CDATA[<div>老師買了20個肯德基蛋撻，分給5位學生，請問一位學生可以吃到幾個蛋撻？</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:42:36 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315151</guid>
      </item>
      <item>
         <title>Group1</title>
         <author>1112610001</author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315194</link>
         <description><![CDATA[<div><strong>一條路有120公尺，每30公尺種一棵樹，頭尾都不種，請問路上會有幾棵樹？</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:42:38 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315194</guid>
      </item>
      <item>
         <title>Group1</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315239</link>
         <description><![CDATA[<div>1. 小明生日，帶了乖乖桶到學校要分享給同學，乖乖桶有20包餅乾，要分給5位同學，請問每位同學可以分到幾包?</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 07:42:40 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750315239</guid>
      </item>
      <item>
         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750350261</link>
         <description><![CDATA[<div>爺爺有一個花圃，長5公尺、寬3公尺，請問爺爺的花圃面積是多少?</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 08:08:15 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750350261</guid>
      </item>
      <item>
         <title>Group 4</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750351585</link>
         <description><![CDATA[<div>姊姊的洋娃娃有三雙鞋子和五雙襪子，總共可以有幾種搭配的方式?</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-17 08:09:15 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2750351585</guid>
      </item>
      <item>
         <title>線上教具操作練習</title>
         <author>t4132</author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2755157963</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://lum.io/student/share/01408e60-337b-4477-b4b4-890768cd05ca" />
         <pubDate>2023-10-19 20:02:12 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2755157963</guid>
      </item>
      <item>
         <title>基本說明</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759166306</link>
         <description><![CDATA[<div>1.&nbsp; 學習多位數乘除法，建議減小數量範圍。<br>2. 乘法建議以位值原理，從兩位數乘兩位數開始進行教學，並建立與「乘數一位數」計算關係。<br>3. 除法建議以位值原理說明計算方式，並從二、三位數除以兩位數開始教學。<br>4. 除法要針對「3000÷500」這類問題，需特別說明先對消0去計算十餘數的處理方式，並注意處理各數中出現0而造成錯誤的情形。<br>5. 針對「1600×200」與「1600÷200」的題型，應協助學生發展出最簡單的計算方式。</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:02:57 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759166306</guid>
      </item>
      <item>
         <title>條目範圍</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759171991</link>
         <description><![CDATA[<div>1. 直式計算的乘數與除數建議以三位數為限。被乘數與被除數最好以三或四位數為限。但整千、整萬計算的規則不在此限。<br>2. 「一位數乘以三位數」的問題，的確可以用乘法交換律轉為「三位數乘以一位數」來計算。&nbsp; &nbsp;<mark>(???不懂)</mark><br>3. 教學時，乘法和除法需分成不同單元教學。<br>4. 整千、整萬這類除法算式不處理非零部分除法有餘數的情況如「42000÷4000」（即使雖 然可算）。&nbsp; &nbsp;<mark>(???不懂)</mark></div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:06:04 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759171991</guid>
      </item>
      <item>
         <title>評量重點</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759189085</link>
         <description><![CDATA[<div>1. 能做直式乘法計算<strong>（被乘數限四位、乘數限三位）</strong>，位數多的乘法勿過度評量。<br> 2. 能做直式除法計算<strong>（被除數限四位、除數限三位）</strong>，位數多的除法勿過度評量。 <br>3. 能結合 0 的點數做整百、整千、整萬等等之乘除法， 其數量範圍不受 1.和 2.限制，但實質計算部分應以<strong>「十十乘法」</strong>或可心算的簡單乘除法為限。&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:15:41 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759189085</guid>
      </item>
      <item>
         <title>條目範圍</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759198735</link>
         <description><![CDATA[<div>1. 本條目的運算和除法有密切關係，由於除法有<mark>等分除和包含除兩種類型</mark>，教學時應注意題型的多元性。 <br>2. 可和併式一起進行（R-4-1）。 <br>3. 本年度<strong>兩步驟教學</strong>，由於牽涉到併式，應留意<mark>複習二、三年級兩步驟問題之併式</mark>。 <br>4. 本條目著重概念學習，<strong>不需配合 N-4-2</strong>，計算的數字應限定在更小位數。&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:20:59 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759198735</guid>
      </item>
      <item>
         <title>評量重點</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759202139</link>
         <description><![CDATA[<div>1. 能做乘除兩步驟問題。（參看 R-4-1、R-4-2）&nbsp;<br>2. 能做連除兩步驟問題。（參看 R-4-1）&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:22:52 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759202139</guid>
      </item>
      <item>
         <title>基本說明</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759203522</link>
         <description><![CDATA[<div><strong>1.學生在本年度先學習如何將兩步驟的解題算式合併成一式，其中的關鍵是學習如何使用括號，知道括號中的運算應先計算。</strong></div><div><strong>2. 併式時，先用括號「保護」先算的算式，是很好的策略。為求算式簡潔，學生應有去括號的學習經驗</strong>;<strong>有些括號不能去掉。</strong></div><div>3. <strong>四則混合計算的規則為</strong></div><div>(1) <strong>算式有括號時，括號內的運算先計算。</strong></div><div>(2) <strong>其次，先乘除後加減。</strong></div><div>(3) <strong>除上列之規定外，算式由左向右逐步計算。</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:23:40 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759203522</guid>
      </item>
      <item>
         <title>條目範圍</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759208396</link>
         <description><![CDATA[<div>1.<strong>雖然併式或四則混合計算與數字的形態無關，但為了能讓學生專心學習，應只限定數字為整數，牽涉除法時，則只考慮整除的情況。</strong></div><div>2. <strong>就學習併式而言，教師不見得要迴避如</strong> (a+b)*c <strong>之類的問題，但必須確定學生理解這個算式的意義。</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:26:00 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759208396</guid>
      </item>
      <item>
         <title>評量重點</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759221711</link>
         <description><![CDATA[<div>(1) 熟悉四則混合計算之約定並能使用。<br>(2) 能做二、三年級兩步驟問題之併式。<br>(3) 能做乘除兩步驟問題之併式。<br>(4) 能做連除兩步驟問題之併式。</div>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-23 14:32:54 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2759221711</guid>
      </item>
      <item>
         <title>基本說明</title>
         <author></author>
         <link>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2760427380</link>
         <description><![CDATA[<p>四則計算規則的完整教學應包含三部分：</p><p>(1)計算規律為何正確的說明與應用。前述 1.的方法是一福自然的說明方式，因為學生在活動中自然察覺到兩者都必然是正確的。另一種可能方式是運用學生已知的四則運算模型去分析理解。這個階段的目標是讓學生認識這的確是一項規律 ，可以應用到所有</p><p>數。</p><p>（2 ）純數字的規律練習：學習規律的方法之一是應用規律 ，但是規律是抽象的．涉及生活情境的應用問題．牽涉到情境的細節與合理性 ，反而會模糊學習焦點，因此應該提供學生單純數字的練習，但教學上必須小心布題 ，製造動機，讓學生有應用規律的動機樂於運用規律。</p><p>（3)超越情境的應用：數學規律的抽象性超越特定的情境，一個數字算式可能可以應用到不同型態的情境，有些型態的情境和 (a）不同，並無法自然有另一種算式的解釋。但既然我們可以用原算式來解題 ．透過四則計算規律．仍然可用另一算式協助解題•算出答案。超越特定情境正是學生理解數學規律抽象性的第二步。</p>]]></description>
         <enclosure url="" />
         <pubDate>2023-10-24 05:39:01 UTC</pubDate>
         <guid>https://padlet.com/t4132/3c0nlznnrm1pafj8/wish/2760427380</guid>
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