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,