單式折線統(tǒng)計(jì)圖寫得很詳細(xì)，不便于觀察，需要整理。小明5-14時(shí)體溫變化統(tǒng)計(jì)表創(chuàng)設(shè)情景

復(fù)習(xí)導(dǎo)入時(shí)間567891011121314體溫39.839.437.838.737.737.337.637.736.936.5體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5創(chuàng)設(shè)情景

復(fù)習(xí)導(dǎo)入體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5創(chuàng)設(shè)情景

復(fù)習(xí)導(dǎo)入體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5創(chuàng)設(shè)情景

復(fù)習(xí)導(dǎo)入體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖創(chuàng)設(shè)情景

復(fù)習(xí)導(dǎo)入39.839.437.838.737.737.337.637.736.936.5體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5折線統(tǒng)計(jì)圖自主探究

體會(huì)特點(diǎn)體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5自主探究

體會(huì)特點(diǎn)體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5自主探究

體會(huì)特點(diǎn)小明5-14時(shí)體溫變化統(tǒng)計(jì)圖自主探究

體會(huì)特點(diǎn)線段有什么作用小明5-14時(shí)體溫變化統(tǒng)計(jì)圖1.從折線統(tǒng)計(jì)圖中看出5時(shí)到14時(shí)，小明體溫整體呈（

）趨勢(shì)。下降自主探究

體會(huì)特點(diǎn)小明5-14時(shí)體溫變化統(tǒng)計(jì)圖2.上圖中，哪一時(shí)刻到哪一時(shí)刻體溫增減變化最大？你是怎么看出來的。自主探究

體會(huì)特點(diǎn)小明5-14時(shí)體溫變化統(tǒng)計(jì)圖自主探究

體會(huì)特點(diǎn)小明5-14時(shí)體溫變化統(tǒng)計(jì)圖點(diǎn)位置數(shù)量的多少線升降數(shù)量的變化自主探究

體會(huì)特點(diǎn)體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5分析趨勢(shì)

合理預(yù)測(cè)體溫/℃35.536.036.537.037.538.038.539.039.540.0時(shí)間0567891011121314小明5-14時(shí)體溫變化統(tǒng)計(jì)圖39.839.437.838.737.737.337.637.736.936.5分析趨勢(shì)

合理預(yù)測(cè)對(duì)比分析

凸顯特點(diǎn)觀察比較：條形統(tǒng)計(jì)圖和折線統(tǒng)計(jì)圖有什么相同點(diǎn)和不同點(diǎn)？數(shù)量的多少數(shù)據(jù)的變化小明5-14時(shí)體溫變化統(tǒng)計(jì)圖小明5-14時(shí)體溫變化統(tǒng)計(jì)圖五（2）班6位同學(xué)的身高情況統(tǒng)計(jì)表姓名丁丁小強(qiáng)蘭蘭小明小濤小月身高/厘米142135140143141150陳東0--10歲身高情況統(tǒng)計(jì)表年齡/歲0246810身高/厘米5085104115130142對(duì)比分析

凸顯特點(diǎn)應(yīng)用提升

鞏固內(nèi)化陳東0—10歲身高變化情況統(tǒng)計(jì)圖85104115130142246810年齡050省略1.描點(diǎn)2.標(biāo)數(shù)據(jù)3.連線陳東從（）歲到（）歲長得最快？長高了（）厘米？應(yīng)用提升

鞏固內(nèi)化1.陳東從（）歲到（）歲長得最快？長