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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,8,、,7,、,6,加几,1,、组成:,7,1,8,4,7,2,8,2,6,1,6,4,5,6,5,2,、口算,9+4=,9+8=,9+6=,9+3=,2+9=,5+9=,13,17,15,12,11,14,口答:,8+2+4=,14,7+3+2=,12,6+4+7=,17,复习,9,2=,想:,9,加()得,10,。,1,9,2=,想:,9,加()得,10,。,1,1,1,10,1,11,11,10,加()得()。,复习,8,、,7,、,6,加,几,8,5=,5,怎样想能很快说出得数?,8,、,7,、,6,加,几,8,5=,想:,8,加()得,10,。,2,5,主,8,、,7,、,6,加,几,8,5=,想:,8,加()得,10,。,2,5,主,8,5=,想,:,8,加()得,10,。,2,2,3,10,3,13,13,10,加()得()。,8,、,7,、,6,加,几,5,主,8,、,7,、,6,加,几,8,5=,想,:,5,加()得,10,。,5,8,主,8,、,7,、,6,加,几,8,5=,想,:,5,加()得,10,。,5,8,主,8,、,7,、,6,加,几,8,5=,想,:,5,加()得,10,。,5,8,主,8,5=,想,:,5,加()得,10,。,5,3,5,10,3,13,13,10,加()得()。,8,、,7,、,6,加,几,8,主,8,4=,2,2,10,12,8,、,7,、,6,加,几,7,6=,3,3,10,13,6,5=,4,1,10,11,8,4=,2,6,10,12,8,、,7,、,6,加,几,7,6=,3,4,10,13,6,5=,1,5,10,11,8,9=,8,、,7,、,6,加,几,怎样想能很快说出得数?,8,9,8,9=,想:,8,加()得,10,。,2,8,、,7,、,6,加,几,9,主,8,9=,想:,8,加()得,10,。,2,2,7,10,7,17,17,10,加()得(,),。,9,8,、,7,、,6,加,几,主,8,、,7,、,6,加,几,8,9=,想:,9,加()得,10,。,1,8,主,8,9=,想:,9,加()得,10,。,1,8,、,7,、,6,加,几,8,主,精彩板书展,
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