苏教版一年级上册数学《加减混合运算》课件

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,*,加减混合运算,加减混合运算,1,、速 算：,8,3,7,3+5=,5,2=,10,3=,8,5=,3,8,3,9,3+2+3=,10,5,2=,3+2+4=,7,2,3=,2,1、速 算：8373+5=52=103=8,2,4,6,4,2,6,6,4,2,6,2,4,2、看图列式,2464266426242、看图列式,你能提出什么问题？,你能提出什么问题？,现在还有几只天鹅？,现在还有几只天鹅？,4,+,3,2=,5,你是怎么算出的？,4+32=5你是怎么算出的？,4,+,3,2=,7,5,5,从左往右计算,与连加、连减一样！,4+32=755从左往右计算与连加、连减一样！,2,5,5,4,2,+,3=,2554 2+3=,苏教版一年级上册数学加减混合运算课件,6,=,5,4,+,3,6=54+3,苏教版一年级上册数学加减混合运算课件,？,9,5+=9,8 +3=7,2+4 =5,8 4+=6,3 +,3 =5,2+5 +=9,1,4,5,2,2,5,？9 5+=98 +,5,9,4,6,3,8,6,5,3,6,3,10,6,3,7,7,3,8,7,10,3,3,5,8,5,8,6,7,4,8,2,7,5,6,4,2,7,0,8,3,5,7,2,5,2,8,8,6,4,2,1,2,10,9,9,4,7,3,9,3,2,10,8,6,8,0,8,10,3,2,8,10,5 9463865363,10,1,7,7,4,6,3=,8,5,4=,9,3,4=,2,7,8=,3、看看谁最棒,5,6,5,7,7,4,2=,6,1,2=,3,4,1=,6,3,4=,101774 6 3=8 5 4=9 3,谢谢 再见！,谢谢 再见！,