多位数乘一位数,一次进位,36,936,84,636,846,68,99,884,1,2,3,4,5,6,7,8,你能算出王老师买了多少本连环画吗?,例2,我们先来估算一下,183 (本), 60,加法算式:,18+18+18=,54(本),1 8,1 8,+ 1 8,5 4,2,18,3,4,5,2,3824,向前一位进2,个位上写4 。,133,325,十位上写5。,183(本),?,54,计算法则:先从个位乘起,哪一位上的数相乘满几十,就要向前一位进几。,乘法算式:,你能一眼看出框框里应填几吗?,1,2,2,2,1,2,8,0,7,0,8,9,2,6,5,7,9,做一做,1,4,5,2,5,7,1,2,4,6,1.,1,6,9,2,1,9,3,6,9,12 X 8 =,13 X 7 =,16 X 6 =,96,91,96,2,0,7,2,4,5,2,8,6,14 X 5 =,18 X 3 =,17 X 4 =,70,54,68,5辆面包车可以坐多少人?,13辆小轿车可以坐多少人?,175,135,第3题,3,5,8,85(人),1,5,6,65(人),这栋楼房共住多少户人家?,186,第4题,4,8,0,1,1,108(户),连续进位,