1、,第 8 课时 练 习 八,第 四 单元 两、三位数除以一位数,1口算下面各题。,804,20,663,22,462,23,393,13,822,41,682,34,884,22,633,21,777,11,2用竖式计算,并验算。,1,4,8,3,3,0,2,2,2,6,5,1,1,1,6,5,724,18,763,251,2用竖式计算,并验算。,1,5,8,4,4,0,0,0,2,8,1,1,5,4,905,18,854,251,5855,117,1,5,8,1,5,5,3,7,0,6584,1642,1,4,2,5,6,2,4,1,6,4,2,3,5,8,1,3069,34,4737,67
2、4,3,2,7,3,6,4,3,6,0,6,4,2,5,3,7,4,9,4,3,28,0,11,2,67,63,4小伟家在大棚里种植草莓,今年5个月共收获草莓845千克。平均每个月收获草莓多少千克?,8455,169(千克),答:平均每个月收获草莓169千克。,5星光小学的每个教室里安装9组日光灯和4台吊扇,一共安装了216组日光灯。星光小学一共有多少个教室?一共安装了多少台吊扇?,2169,24(个),答:星光小学一共有24个教室,一共安装了96台吊扇。,244,96(台),6直接写出得数。,242,12,342,17,484,12,483,16,963,32,964,24,182,36,3
3、62,18,153,45,453,15,515,75,755,15,7口算下面各题。,322,16,543,18,524,13,382,19,604,15,423,14,705,14,655,13,8,72,18,90,15,60,12,48,16,9先说说商各是几位数,再计算。,4653,155,4655,93,5324,133,5327,76,8466,141,8469,94,10(1)小明从家出发,经过邮局到少年宫,一共走了9分钟。平均每分钟走多少米?,5859,65(米),答:平均每分钟走65米。,335250585(米),10(2)小明用同样的速度,从家直接去少年宫,正好走了7分钟。从他家直接到少年宫的路程是多少米?,答:从他家直接到少年宫的路程是455米。,657455(米),