西師大版五年級數學上冊《除數是整數的小數除法》2PPT課件.ppt
除數是整數的小數除法,西師大版五年級數學上冊,看誰算得又對又快,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)原來有拖拉機36臺,現在有117臺,現在拖拉機的臺數是原來的多少倍?,11736,3,108,9,.0,0,.2,72,18,0,0,5,180,0,除數是整數的小數除法,按照整數除法的法則去除,商的小數點要和被除數的小數點對齊;如果除到被除數的末尾仍有余數,就在余數后面添加0再繼續(xù)除。,13.6,0.8,1.3,3.5,2、列式計算,(1)43.2平均分成6份,每份是多少?,43.267.2,(2)兩個因數的積是50.4,一個因數是18,另一個是多少?,50.4182.8,直接說出得數。,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,