人教版數(shù)學(xué)一上《7.認(rèn)識(shí)鐘表》廣東梁莉莎老師-教學(xué)設(shè)計(jì)-一年級(jí)數(shù)學(xué)教案

121?§ê±

1?ì?§??±ê.

1?￠í¨1y?à??ì?′′éèμ?éú???é?3?￠,è??§éú?§?áè?ê???ê±?￡

2?￠?aμà?ó??é?óDê±???￠·????￠12??êy12′ó???￡

3?￠°??ú?§éú3?2??¨á￠ê±??????,?à??×?ê?ê±??μ?o??°1??￡

4?￠?à???§éúμ?1?2ì?üá|?￡

2?§?é·???.

ê±????óú?§éúà′?μ?èêì?¤ó??°éú,êì?¤ê?òò?a????μ?éú???￠?§?°à?2??aê±??,?°éúê?????è?ê±???￠?′?ó±íμ?·?·¨ê?á??éμ??￠2???ì?μ?,?a?íDèòa?úà?ê|μ???μ???,ìáéy??à¨???§μ?è?ê??ó±íμ?·?·¨?￡

3?ì?§????μ?.

?áè?ê???ê±?￡

4?ì?§1y3ì.

4.1μúò??§ê±

4.1.1?ì?§???ˉ.

???ˉ1??μ?è???ò??￠′′éè?é?°.

1.ê|:í??§??,à?ê|??ìì′?à′á?ò???D??óó?,??ìyìy?üμ?éùò?,?ü2?3??üê???e?

(2￥·??°à?àaà?àa?±μ?éùò?,?§éú?ì?ùμ?2?3?ê?ê±?óμ?éùò??￡)

ê|:ê±?ó?ú?ò??éú???Dμ?′|?é??,??ü????′ó?ò??????1y??D??ó±í?(?§éú×?óé·￠??)

??í¨1y?μ×??o??1yμ?2?í?D?×′μ??ó±í,è??§éúá??a?ó±íó?è?3￡éú???ü?D?àá??￡??

2.?1ê??à×??à2êμ??ó±í?￡

ê|:?ó±íí?1úμ?D?μü?????é???à??!??!(???t3?ê??÷???ó±í)

ê|:í??§???aμà?aD??ó±í??óDê2?′ó?′|?e?

éú:??òaà′?′ê±???￡

ê|:?μμ???o??￡?aD??ó±í???ü??ê±??μ??????ò??ê±??,?aà???μ??§?ê?é??′ó?￡??ìì?ò???íò??eà′è?ê?ê±??°é?￡

???ˉ2?????ˉ???t?￠?è?ú??é￡?è?ê??ó???￡.

1.ê|:??D??óó???3???μ??ó??í?ò?í??￡

òa?ó:?úí?μ?ê±oò?′?′?ó??é?óDê2?′??ù2|?ˉ?ó??oó??μ?°′?￥,?′?′??ó?·￠??á?ê2?′????aê?°é!

2.í?×à??á÷?￡

ê|:??ó?í?×à?μò??μ??μ??ó??é?óDê2?′?

3.??±¨?à???￡(???t3?ê??ó±í)

ê|:??2?,????í??óμ?ê±oò,·￠??ê2?′á??

óD12??′ó??

(??óD12??êy)?§éúí?ê±??3?×??oμ?D????ó,ò??eêyêy?￡12??êy°??ó??·?3éá?12???àμèμ?′ó???￡×??￥é?μ?ê????×?μ×??μ?ê????×?×ó±?μ?ê????×?óò±?μ?ê????

￠?ê|:??aμà?a?ùó???ó?3¤μ????Dê2?′???(3?ê??ó???￡Dí)??ê????′?aμàμ??????aμà?a?ùó?′?ó??ìμ????Dê2?′???(éú??±¨μ?í?ê±2￠è??§éú?ú?ó??é???ò???,?tò??t)

??ê????ù??·?ê±???￠·???μ??

(3¤3¤μ?????μ??D·??ó,?ì?ìμ?????μ??Dê±??)?￡(°?êé:·???ê±??)è??§éú??×??§???ó?μ?μ???ùê?·???,???ùê?ê±???

4.ê|éúD??á?￡

ê|:???′′ó?á??,à?ê|?aà?ò2óDò????ó±í?￡(???t3?ê??ó±í)

??è??§éú?ù′??D?a?ó±íμ?????ì?μ??￡??

?ó??μ?ì?μ?:

￠ùóD12??êy;

￠úóD3¤??oí?ì??;(???t3?ê?:ó?′?ó??ìê?ê±??,ó???ó?3¤ê?·???)

￠?óD12′ó??;

￠ü??′ó??à?óD5D???;

??

???è?ú?§éúéú??,??μ?óD1??ó±íμ???é,è??§éúè?ê?á??ó??,?aoó??μ??§?°′ò???ù′??￡??

???ˉ3???2êú??èy?￠è?ê???ê±.

1.????μ?D????ó?ìá?oü3¤ê±??á?,

(1)???ü?μ?μ???úê???ê±?e?

??ê????′?aμàμ??

3¤3¤μ?·?????×????

?ì?ìμ?ê±????×????

?ìê|D??á:·???3¤3¤??12,ê±????7?íê?7ê±(?§éú?ú×??μ,?ìê|?úoú°?é?ìù7ê±μ??ó??)

ê|:??ò???,7ê±?úμ?×ó±íé?ê????ù??ê?μ??(D??2μ?oó??ê?á???á?,?°??ê????íê???ê±)(éú?μoóê|°?êé:7:00)

(2)7ê±á?,?????1?ú?ˉàá??,ê±???t?tμ?1yè￥á?,?????ù?ˉ??è￥,???á3ùμ?μ?!?ì?????????ú??ê±á??￡

(???t?Yê?8ê±?￡?????1?ú?ˉ???￡)

?????′?aμàê?8ê±???

(·???3¤3¤??12,ê±????8?íê?8ê±)

8ê±?úμ?×ó±íé?ê????ù??ê?μ??(°?êé:8:00)

?a?ù?′à′,????é???ò??¨ê?3ùμ?á??￡

????òò?a?ˉàá??3ùμ?á?,à?ê|?ú?àá????￡?ò???é2??ü?§?°????,?ò??òa×?ò???×?ê?ê±??μ?o?o￠×ó?￡

?ò??°???7ê±,8ê±?a?ùμ??ó?????D×÷??ê±?￡(°?êé:è?ê???ê±)

(3)è?ê?á??a?′?àê±??,???ü?μ?μ???ùè?ê???ê±?e?

D??á:±íê???ê±μ??ó??,·???×üê????ò12,ê±?????òêy×???,?í±íê???ê±?￡??3?ê?:·???3¤3¤??12,ê±???????íê???ê±?￡(?áò?′?)??

(4)2|ò?2|1ê±ê????ùμ??￡?§éú2|,?§éú?á1??1ê?,ê|???yè·oí′í?óμ??÷ò???,è?°à?à??,í?ê±?ù′?ìá3???·?ê±??,·???3yá?3¤?ì,?1óD?ì?yò2?éò???·?μ??￡

(5)ê|:??′ó?ò???ù?ú??μ??ó??é?2|3???×??2??μ???ê±ê±?ì?￡(?§éú2|)?ò??μ?í?°é?μò??μ,??2|μ?ê???ê±?

???ˉ4??á·?°?????￠1?1ìá·?°.

????ó?á???±íê?·¨D′3??ó??é?μ?ê±???￡

??

??

??

??

???ˉ5??á·?°?????￠D??á.

ê|:í¨1y?a?ú??μ??§?°,??óD??D?ê????

éú:?òè?ê?á???ê±?￡

éú:?ò?aμàá??ó??é?óD12??ê