青岛版一年级数学上册第七单元7.5-综合练习市公共课一等奖市赛课金奖课件.pptx

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,2021/10/3,#,综合练习,复习旧知,课堂小结,课后作业,巩固练习,青岛版（六年制）数学 一年级 上册,20,以内进位加法,7,第1页,复习旧知,20,以内进位加法,2,拆数时普通拆小数留大数。,3,接着往后数时，普通把大数记心中，小数是几，就继续数几个。,计算进位加法用凑十法和接着数两种方法。,1,第2页,处理问题,先依据事物特征将其分成两部分，再把两部分数量相加。分法不一样，列式也可能不一样。,用各种方法求总数是多少。,第3页,巩固练习,口算,65,38,75,85,78,86,104,100,11,11,12,13,15,14,14,10,第4页,口算,47,90,99,96,79,11,9,6,18,15,10,16,0,第5页,看图列式,=,（）,8,4,12,+,个,？个,?,个,=,（）,6,6,12,+,个,第6页,在得数大于,15,算式后面画“”，小于,15,画“”。,79,99,38,67,57,84,98,88,第7页,5+=13,8,4+=13,9,3+=12,9,5+=11,6,4+=12,8,2+=11,9,想一想，填一填。,第8页,填一填。,77,=,=,=,48,=,=,=,5,+,9,14,6,+,8,14,4,+,10,14,9,+,3,12,7,+,5,12,6,+,6,12,第9页,（,1,）月季花和菊花一共多少枝？,（,2,）菊花和百合花一共多少枝？,=,（）,7,9,16,+,枝,=,（）,9,6,15,+,枝,月季花,7,枝,菊花,9,枝,百合花,6,枝,第10页,=,（）,7,7,14,+,盆,=,（）,6,8,14,+,盆,第11页,一共有多少个儿童参观？,=,（个）,9,6,16,+,1,+,第12页,（,1,）小红要买一个 和一本 ，一共要用多少元钱？,（,2,）小红要买一本 和一本 ，一共要用多少元钱？,=,（）,6,5,11,+,元,=,（）,8,5,13,+,元,6,元,5,元,8,元,第13页,9,8,7,6,5,4,5,3,5,2,5,1,5,+,1,2,3,4,5,6,7,8,9,10,9,8,7,6,5,4,3,2,（,1,）完成表格。,12,11,10,9,8,7,6,5,4,11,10,9,8,7,6,5,4,3,13,12,11,10,9,8,7,6,5,14,13,12,11,10,9,8,7,6,15,14,13,12,11,10,9,8,7,16,15,14,13,12,11,10,9,8,17,16,15,14,13,12,11,10,9,18,17,16,15,14,13,12,11,10,第14页,9,10,11,12,13,14,15,16,17,18,8,9,10,11,12,13,14,15,16,17,7,8,9,10,11,12,13,14,15,16,6,7,8,9,10,11,12,13,14,15,5,6,7,8,9,10,11,12,13,14,4,5,6,7,8,9,10,11,12,13,3,4,5,6,7,8,9,10,11,12,2,3,4,5,6,7,8,9,10,11,1,2,3,4,5,6,7,8,9,10,+,1,2,3,4,5,6,7,8,9,（,2,）把和是,14,格子涂成黄色，和是,17,格子涂成红色。,第15页,9,10,11,12,13,14,15,16,17,18,8,9,10,11,12,13,14,15,16,17,7,8,9,10,11,12,13,14,15,16,6,7,8,9,10,11,12,13,14,15,5,6,7,8,9,10,11,12,13,14,4,5,6,7,8,9,10,11,12,13,3,4,5,6,7,8,9,10,11,12,2,3,4,5,6,7,8,9,10,11,1,2,3,4,5,6,7,8,9,10,+,1,2,3,4,5,6,7,8,9,（,3,）表中哪些数是两个相同数相加得到？请把这些数圈出来。,第16页,1.,学会利用,凑十法,正确计算进位加法。,课堂小结,这节课你们都学会了哪些知识？,2.,学会利用,20,以内进位加法处理实际问题,第17页,课后作业,1.,从教材课后练习选取；,2.,从课时练中选取。,第18页,