西師大版五年級(jí)數(shù)學(xué)上冊(cè)《除數(shù)是整數(shù)的小數(shù)除法》2PPT課件.ppt
除數(shù)是整數(shù)的小數(shù)除法,西師大版五年級(jí)數(shù)學(xué)上冊(cè),看誰(shuí)算得又對(duì)又快,6.55=7.57.5=0.63=0.062=4.411=1.24=01.98=0.822=1.23=0.486=4.623=6.84=0.7212=0.71.1=5.213=,老師步行12分鐘,走了540米,每分鐘走了多少米?,5401245(米),21.4515?,1,15,64,.4,60,45,3,45,0,永豐鄉(xiāng)原來(lái)有拖拉機(jī)36臺(tái),現(xiàn)在有117臺(tái),現(xiàn)在拖拉機(jī)的臺(tái)數(shù)是原來(lái)的多少倍?,11736,3,108,9,.0,0,.2,72,18,0,0,5,180,0,除數(shù)是整數(shù)的小數(shù)除法,按照整數(shù)除法的法則去除,商的小數(shù)點(diǎn)要和被除數(shù)的小數(shù)點(diǎn)對(duì)齊;如果除到被除數(shù)的末尾仍有余數(shù),就在余數(shù)后面添加0再繼續(xù)除。,13.6,0.8,1.3,3.5,2、列式計(jì)算,(1)43.2平均分成6份,每份是多少?,43.267.2,(2)兩個(gè)因數(shù)的積是50.4,一個(gè)因數(shù)是18,另一個(gè)是多少?,50.4182.8,直接說(shuō)出得數(shù)。,練一練,3075,16.55,40160,38,8.412=,816,0.4,3.3,0.25,0.375,0.7,0.5,91.89=42.847=,117.525=642.846=,11.5,12.6,