人教版數(shù)學(xué)一下《認識圖形（二）-七巧板》湖北嚴丹老師-教學(xué)設(shè)計-一年級數(shù)學(xué)教案

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1?ì?§??±ê.

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4?ì?§1y3ì.

4.1μúò??§ê±

4.1.1?ì?§???ˉ.

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(′????ˉμ???μ????§éú3?·?μ??????￠×é?ˉ?￠±í′?μ??ú?á,2￠?íá??§éú°?2é?ˉμ?D??￠??DD·????￠??àíμ??üá|,ìá??o?×÷òaê?oíí??ó??é?,?à???§éúμ?×?o??üá|?￡)

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1.′′éè?é?3

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(′????ˉμ???μ??áo????°?¤?°,è??§éú?§?á×??o?a???êìa,2￠?ú′????ˉ?D?§μ??ü?àμ??aê?,?Dêü×?1ú1a??2óà?μ????ˉ,?à???§éúμ?°?1ú?÷ò???é??￡)

2.??1??aê?

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(′????ˉμ???μ?è??§éú?§?á1?2ì?êìa?￠·????êìa,?óé????ù?§1yμ??????￠??DD???￠′1???￠è????￠?±???￠????μèóD1?????μ?àí?aoí????,·á??????μ?êy?§òaê?,?à???§o?êy?§μ?D?D?oíD?è¤?￡)

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(′????ˉμ???μ?í¨1y?§éúμ??ˉê?2ù×÷???ˉ,?à???§éúμ??ˉê?êμ?ù?üá|oí′′D???é??￡)

3.?′í?ó??·

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(′????ˉμ???μ?í¨1yí??§??μ???á÷,?à???§éúμ?ì???D??§?°?üá|oío?×÷?§?°òaê?,?ú???ˉ?D·￠?1êy?§?????￡)

???ˉ5òàí?3éD?¨D¨D×???í?D??￡°?,è?oó?ù?Y?￡°??′í??￡

???t?Dìá1?á?°üo?è????￠?ˉ???￠éú??ó??·?￠??o?í?D??￠×???μè60?à·ù??ò×3ì?è2?í?μ?í???,?§éú?ú???t?D?éò??ù?Y??è??é??oí°?o?,×?óé????í?D?,?è?úêó±ê2ù×÷,??DD?′í?ó??·?￡

(′????ˉμ???μ?′óêμ?ê3?·￠,óDòaê?μ??ú×??§éú?à?ù?ˉμ??§?°Dè?ó,?üê12?í?μ??§éú???üμ?μ?2?í?μ?·￠?1,??μ?3é1|ì??é?￡)

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(′????ˉμ???μ?í¨1y?§éúμ??ˉê?2ù×÷???ˉ,?à???§éúμ??ˉê?êμ?ù?üá|oí′′D???é?;í¨1yó?×é?úí??§??μ???á÷,?à???§éúμ?ì???D??§?°?üá|oío?×÷?§?°μ?òaê?;í¨1y?3óèí?°?μ?o?ò?,?à???§éúμ??????????üá|,ì??é??μ?3é1|μ??2???￡)

???ˉ7×?′′í?D?¨D¨D?§éúó????é°?×?óé′′×÷í?D?2￠?μ?÷o?ò??￡

à?ó?é?ê?μ????éí?°?,×?óé′′×÷?￠é?ì¨?1ê?,?òà?ê|oíí??§?μ?÷?ù?′í?D?μ?o?ò??￡?ú′??ù′?é?,??3?í?D??D?áéùá?×é?￥?à??DD?ò′1?±μ?????,?ò3?ò???è????￠ò????±???￠ò???????,2￠??3??ü??ê??àéù?è?

(′????ˉμ???μ????§éúò???·￠??×??o?￠±í??×??o′′?ìá|μ??ú?á,ê1?§éúμ???D?μ?μ?3?·?μ?·￠?ó,?ú×??§éú??D?μ?·￠?1?￡êμ???°è?è????§óD???μμ?êy?§?￠è?è????ü??μ?±?Dèμ?êy?§?￠2?í?μ?è??úêy?§é?μ?μ?2?í?μ?·￠?1?±μ???±ê?￡)

4.??á÷ì??á,×ü?áìá??

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(′????ˉμ???μ?è??§éú?§?áDàéí±eè?,àí?aoí×e????è?μ????a,2￠?ü′ó?D?§?áìá3??êìa,±í′?×??oμ?òa???￡)

(èy)??íaí??1

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???ˉ2??′′×÷μ?í?°???DD?ù′′?ì,ìí?ó3??°,113éò?·ùòaò?íê??μ?????￡

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