1、,第 4 课时 练 习 七,第 四 单元 两、三位数除以一位数,1,802,40,8002,400,4206,70,4207,60,1806,30,1809,20,2,5409,60,3600,1800,4005,80,9009,100,3507,50,6408,80,1602,80,707,490,8109,90,3用竖式计算,并验算。,333,11,1,3,1,3,3,0,3,3,3用竖式计算,并验算。,672,331,3,6,3,7,6,1,6,6,1,6,7,3用竖式计算,并验算。,2,6,1,3,3,9,9,0,3,6,3,9,6393,213,3用竖式计算,并验算。,1,4,2,8
2、,8,7,4,3,1,4,8,4,3,4,8,7,4874,1213,4,13,1,212,2,67,887,5学校美术节展出5张蜡笔画和55张水彩画。水彩画的张数是蜡笔画的多少倍?,555,11,答:水彩画的张数是蜡笔画的11倍。,6,2682,134(元),答:一个网球拍134元。,7直接写出得数。,202,10,262,13,603,20,693,23,802,40,842,42,313,93,933,31,243,86,862,43,411,44,444,11,8口算下面各题。,222,11,363,12,909,10,393,13,682,34,884,22,844,21,777,1
3、1,9先估计商是几百多,再用竖式计算。,1,2,1,2,2,6,6,0,3,2262,113,2,8,2,8,8,9,8,2,8894,2221,1,9先估计商是几百多,再用竖式计算。,3,6,4,8,8,3,2,1,1,6832,3411,3,9,1,3,3,5,3,1,9353,3112,2,10三年级一班有48人,平均分成4组,每组有多少人?这个班需要多少张双人课桌?,484,12(人),答:每组有12人,这个班需要24张双人课桌。,482,24(张),11,96,答:平均每辆车坐32人。,963,32(人),12,答:每个班分得11个。,333,11(个),481533(个),思考题: 小宇和妈妈去外婆家,买两张火车票一共用去96元。小宇的火车票票价的妈妈的一半,小宇的火车票票价是多少元?,答:小宇的火车票票价是32元。,963,32(元),