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1、____________________________________________________________________________________________________1000以內(nèi)數(shù)的認(rèn)識(shí)人教新課標(biāo)二年級(jí)數(shù)學(xué)下冊(cè)__________________________________________________學(xué)習(xí)目標(biāo)1、掌握數(shù)1000以內(nèi)數(shù)的方法。2、會(huì)讀寫1000以內(nèi)的數(shù)。3、掌握1000以內(nèi)數(shù)的組成。__________________________________________________一個(gè)一
2、個(gè)地?cái)?shù),10個(gè)一是()。十__________________________________________________一十一十地?cái)?shù),10個(gè)十是()。一百__________________________________________________一百一百地?cái)?shù),10個(gè)一百是()。一千__________________________________________________一十一十地?cái)?shù),10個(gè)十是()。一個(gè)一個(gè)地?cái)?shù),10個(gè)一是()。一百一百地?cái)?shù),10個(gè)一百是()。關(guān)于數(shù)數(shù)你有什么新發(fā)現(xiàn)?一十一百一千____________
3、______________________________________千百十個(gè)從一百八十八數(shù)到二百零四。__________________________________________________千百十個(gè)從一百八十八數(shù)到二百零四。__________________________________________________千百十個(gè)從一百八十八數(shù)到二百零四。__________________________________________________你來數(shù)一數(shù):1.一個(gè)一個(gè)地?cái)?shù),從一百九十八數(shù)到二百零六。3.一十一十地
4、數(shù),從九百八十?dāng)?shù)到一千。2.一十一十地?cái)?shù),從二百九十?dāng)?shù)到三百五十。__________________________________________________萬千百十個(gè)寫作:531讀作:五百三十一__________________________________________________萬千百十個(gè)寫作:304讀作:三百零四__________________________________________________萬千百十個(gè)寫作:320讀作:三百二十由幾個(gè)百幾個(gè)十幾個(gè)一組成的。______________________
5、____________________________126一百二十六萬千百十個(gè)寫作:讀作:__________________________________________________萬千百十個(gè)寫作:讀作:304三百零四__________________________________________________萬千百十個(gè)寫作:讀作:240二百四十__________________________________________________萬千百十個(gè)寫作:讀作:580五百八十_______________________
6、___________________________萬千百十個(gè)寫作:讀作:403四百零三__________________________________________________萬千百十個(gè)寫作:讀作:1000一千__________________________________________________1310一千三百一十萬千百十個(gè)寫作:讀作:__________________________________________________萬千百十個(gè)寫作:讀作:1003一千零三______________________
7、____________________________千百十個(gè)寫作:407__________________________________________________千百十個(gè)寫作:1000__________________________________________________1、讀出下面各數(shù),并說說數(shù)的組成。平南鎮(zhèn)中心小學(xué)二年級(jí)有學(xué)生495人__________________________________________________天空中有580個(gè)氣球_______________________________
8、___________________800__________________________________________________本課小結(jié)同學(xué)們,今天