9加几的进位加法课件.ppt

1,9加几的进位加法,小小运动会,2,7,根据数的组成填空:,8,5,1,4,1,3,6,1,8,1,9,1,2,1,5,1,4,7,1,6,3,算一算:,10+1=,10+2=,10+3=,10+4=,12,13,14,11,10+5=,15,10+6=,16,10+7=,17,10+8=,18,10+9=,19,4,运动会,5,6,摆一摆：,9,6,10,5,7,儿歌：,一起和我拍拍手,9加几 很简单 看大数 分小数 拿出一 凑成十 剩下几 就十几,8,1圈一圈，算一算,9+5=,9+6=,14,15,9,2,9+=,9+=,4,13,8,17,10,9,7,7,9,16,16,11,9+,蚂蚁搬家,12,9+,蚂蚁搬家,13,9+,蚂蚁搬家,14,9+,蚂蚁搬家,15,9+,蚂蚁搬家,16,9+,蚂蚁搬家,17,9+,蚂蚁搬家,18,9+,蚂蚁搬家,19,9+,蚂蚁搬家,20,9+,蚂蚁搬家,21,9+,蚂蚁搬家,22,9+,蚂蚁搬家,23,24,9+1=10,9+2=11,9+3=12,9+4=13,9+5=14,9+6=15,9+7=16,9+8=17,9+9=18,25,9+1=109+2=119+3=129+4=139+5=149+6=159+7=169+8=179+9=18,26,9,6,10,5,