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      <title>1학기 공부지도 만들기(수학) by 주티처</title>
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      <description></description>
      <language>en-us</language>
      <pubDate>2021-08-25 00:56:04 UTC</pubDate>
      <lastBuildDate>2025-12-24 02:47:00 UTC</lastBuildDate>
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      <item>
         <title>이서윤</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694871693</link>
         <description><![CDATA[<div>-단원:4.<strong>비례식과 비례배분</strong><br>-배움목표:<strong>비례식과 비례배분을 알아볼까요?</strong><br><br>-배울 내용:<br>&nbsp; &nbsp; &nbsp;_비 3:4에서<strong> 기호 `:` 앞</strong>에 있는 3을 <mark>전항</mark>, <strong>뒤</strong>에 있는 4를 <mark>후항</mark>이라고 합니다.<br>&nbsp; &nbsp; &nbsp;_비의 전항과 후항에 <strong>0이 아닌 같은 수</strong>를<strong> 곱하거나 나누어도 비율은 같습니다.</strong><br>&nbsp; &nbsp; &nbsp;_<strong>비율이 같은 두 비</strong>를 <strong>기호 `=`를 사용</strong>하여 6:4=18:12와 같이 나타낼 수 있습니다.이와 같은 식을 <mark>비례식</mark>이라고 합니다.<br>&nbsp; &nbsp; &nbsp;_비례식 6:4=18:12에서<strong> 바깥쪽에 있는</strong> 6과12를 <mark>외항</mark>, <strong>안쪽에 있는</strong> 4와 18을 <mark>내항</mark>이라 합니다.<br>&nbsp; &nbsp; &nbsp;_비례식에서 <strong>외항의 곱과 내항의 곱은 같습니다</strong>.(2:5=8:20 에서 외항의 곱:2X20, 내항의 곱:5X8 , 외항의 곱과 내항의 곱은 모두 40으로 같음.)<br>&nbsp; &nbsp; &nbsp;_<strong>전체를 주어진 비로 배분</strong>하는 것을 <mark>비례배분</mark>이라고 합니다.<br><br>끗<br><br></div>]]></description>
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         <pubDate>2021-08-25 01:47:48 UTC</pubDate>
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      <item>
         <title>구재성</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694872364</link>
         <description><![CDATA[<div>원기둥,원뿔,구<br>원기둥과 원뿔, 구를 알아볼까요?<br><br>윈기둥을 알아볼까요?<br><br>위 그림과 같은 입체도형을 윈기둥이라고 합니다</div>]]></description>
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         <pubDate>2021-08-25 01:48:02 UTC</pubDate>
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      </item>
      <item>
         <title>구재성</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694879922</link>
         <description><![CDATA[<div>원기둥의 전개도를 알아볼까요?<br>원기둥,원뿔,구<br>원기둥과 원뿔, 구를 알아볼까요?<br>위의 그림이 원기둥의 전개도입니다</div>]]></description>
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         <pubDate>2021-08-25 01:50:32 UTC</pubDate>
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      <item>
         <title>원뿔을 알아볼까요</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694882715</link>
         <description><![CDATA[<div>위&nbsp;그림이 원뿔입니다</div>]]></description>
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         <pubDate>2021-08-25 01:51:33 UTC</pubDate>
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      <item>
         <title>구를 알아볼까요</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694885689</link>
         <description><![CDATA[<div>위&nbsp;그림이 구와 같습니다</div>]]></description>
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         <pubDate>2021-08-25 01:52:32 UTC</pubDate>
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      <item>
         <title>여러가지 모양을 만들어 볼까요?</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694887277</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-25 01:53:04 UTC</pubDate>
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      <item>
         <title>원기둥의 높이를 구해볼까요</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694889990</link>
         <description><![CDATA[<div>위&nbsp;그림중 h라고 적힌곳이 높이 입니다</div>]]></description>
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         <pubDate>2021-08-25 01:54:00 UTC</pubDate>
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      <item>
         <title>꽁간과 입췌</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694911425</link>
         <description><![CDATA[<div>위 아래 왼쪽 오른쪽 에서 보는뱡향에 따라 모양이 달라진다&nbsp;<br><br></div>]]></description>
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         <pubDate>2021-08-25 02:01:43 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694943008</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-25 02:13:34 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694945505</link>
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         <pubDate>2021-08-25 02:14:27 UTC</pubDate>
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         <title></title>
         <author></author>
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         <pubDate>2021-08-25 02:15:33 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694949886</link>
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         <pubDate>2021-08-25 02:15:55 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694951559</link>
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         <pubDate>2021-08-25 02:16:29 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694958061</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-25 02:18:43 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694963015</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-25 02:20:26 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694964641</link>
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         <pubDate>2021-08-25 02:21:00 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694971329</link>
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         <pubDate>2021-08-25 02:23:09 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694972135</link>
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         <pubDate>2021-08-25 02:23:25 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694973018</link>
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         <pubDate>2021-08-25 02:23:43 UTC</pubDate>
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      <item>
         <title>5단원</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1694978946</link>
         <description><![CDATA[<div><strong>[원주와 원주율]<br></strong><br>*원주: 원의 둘레<br>*원주율: 원의 지름에 대한 원주의 비율<br>원주율은 원의 크기와 관계없이 항상 일정합니다.<br>(원주율)=(원주)÷(지름)<br><br>원주율을 소su로 나타내면 3.1415926535897932... ...와 같이 끝없이 이어지므로 필요에 따라 3, 3.1, 3.14 등으로 어림하여 나타냅니다.<br><br><strong>{원주율을 이용하여 지름과 원주 구하기}<br></strong>*(지름)=(원주)÷(원주율)<br>*(원주)=(지름)×(원주율)=(반지름)×2×(원주율)<br><mark><br></mark><strong>[원의 넓이]</strong><br><br>(원의 넓이)=(원주)×<strong>1</strong>/2×(반지름)<br>=(원주율)×(지름)×<strong>1</strong>/2×(반지름)<br>=<mark>(원주율)×(반지름)×(반지름)<br></mark>____________________________<mark><br></mark><strong>{부채꼴의 호의 길이와 넓이}<br></strong><br>부채꼴: 두 반지름과 호로 이루어진 도형<br><br>반지름이 6cm이고 중심각이 60˚인 부채꼴<br><br>호의 길이: 6×2×π×60˚/360˚=2×π(㎝)<br>넓이: 6×6×π×60˚/360˚=6×π(㎠)</div>]]></description>
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         <pubDate>2021-08-25 02:25:45 UTC</pubDate>
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      </item>
      <item>
         <title>?</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1697130172</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-26 00:47:04 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1697231329</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-08-26 01:24:23 UTC</pubDate>
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      <item>
         <title>정예준</title>
         <author></author>
         <link>https://padlet.com/juyolong/b4hskg3gkotnzh40/wish/1697243076</link>
         <description><![CDATA[<div>-단원1.분수의 나눗셈                                                  배움목표:분수의 나눗셈을 배워볼까요?         1. (자연수)÷(단위분수)(자연수)÷(단위분수)는 자연수와 단위분수의 분모를 곱하여 계산합니다.2. 분모가 같은 진분수끼리의 나눗셈* (진분수)÷(단위분수) ① 분자끼리 나눗셈으로 계산하기.② (나뉠 수)×(나누는 수의 분모)로 계산하기&nbsp; (진분수)÷(진분수) ① 분자끼리 나눗셈으로 계산하기&nbsp; ② 나누는 수의 분모와 분자를 바꾸어 계산하기 3. 분모가 다른 진분수끼리의 나눗셈① 통분하여 계산하기 나누는 수의 분모와 분자를 바꾸어 분수의 곱셈으로 계산하기 4. (자연수)÷(분수)① 자연수를 나누는 수와 분모가 같은 분수로 나타내어 계산하기 ② 나누는 수의 분모와 분자를 바꾸어 분수의 곱셈으로 계산하기 5. 대분수의 나눗셈① 두 분수를 통분하여 계산하기② 분수의 곱셈으로 고쳐 계산 결과에서 약분하기③ 분수의 곱셈으로 고쳐 계산 중간 과정에서 약분하기.</div>]]></description>
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         <pubDate>2021-08-26 01:28:32 UTC</pubDate>
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