1.小數(shù)的意義和讀寫

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蘇教版小學(xué)數(shù)學(xué)五年級上冊第三單元,沭陽縣東興小學(xué) 許堯,小數(shù)的意義,舊知回顧,五年級學(xué)生的身高和跳遠(yuǎn)統(tǒng)計表,小數(shù)的意義,填一填,0.1,0.3,想一想,一位小數(shù),一位小數(shù),填一填,0.01,0.01 讀作：零點零一,LOREM IPSUM DOLOR,0.04,0.12,0.04 讀作：零點零四,0.12 讀作：零點一二,想一想,LOREM IPSUM DOLOR,（ ）米,（ ）米,你能在括號里填上合適的數(shù)嗎？,7厘米,11厘米,0.07,0.11,想一想,兩位小數(shù),兩位小數(shù),頭腦風(fēng)暴,什么樣的分?jǐn)?shù)可以寫成三位小數(shù)？ 三位小數(shù)表示的應(yīng)是怎樣的分?jǐn)?shù)？,頭腦風(fēng)暴,1米=（ ）毫米,1000,0.001,0.001 讀作：零點零零一,頭腦風(fēng)暴,1米=（ ）毫米,1000,0.040,0.040 讀作：零點零四零,0.105,0.105 讀作：零點一零五,頭腦風(fēng)暴,0.003,0.086,0.160,想一想,三位小數(shù),三位小數(shù),什么樣的分?jǐn)?shù)可以改寫成小數(shù)呢？,試一試,0.01,0.05,0.73,你有什么樣的收獲呢？,