2017-2018学年一年级数学上册人教版教学课件：第8单元 8加几.ppt

1,8加几,2,8+5,10,3,=,13,8+5,2,3,10,=,13,9,10,11,12,13,3,8+2=,10,8,10,4,8+3=,10,8,11,5,8+4=,10,8,12,6,8+5=,10,8,13,7,8+6=,10,8,14,8,8+7=,10,8,15,9,8+8=,10,8,16,10,8+9=,10,8,17,11,8+9=,10,9,17,练习,12,6+8= 8+3= 8+2= 2+6+5= 9-1+4= 8+9= 18-10+7=,