数学教案:一年级上册《5以内数的认识和加减法》.docx
数学教案:一年级上册《5以内数的认识和加减法》
目录
数学教案:一年级上册《5以内数的认识和加减法》(1)..........4
一、情境导入...............................................4
1.1直接导入...............................................4
1.2情境创设...............................................5
1.3问题提出...............................................6
二、新知探究...............................................8
2.15以内数的认识..........................................8
2.1.1数的个位与十位.......................................9
2.1.2数的顺序............................................10
2.1.3数的比较............................................11
2.2加法运算..............................................12
2.2.1加法概念............................................13
2.2.2加法算式与结果......................................14
2.2.3加法应用............................................15
2.3减法运算..............................................16
2.3.1减法概念............................................17
2.3.2减法算式与结果......................................17
2.3.3减法应用............................................18
三、实践操作..............................................19
3.1数数游戏..............................................19
3.2数字卡片游戏..........................................19
3.3实际生活中的加减法应用................................20
四、巩固练习..............................................21
4.1横向练习..............................................22
4.2纵向练习..............................................23
4.3综合练习..............................................24
五、课堂小结..............................................25
5.1学习内容回顾..........................................25
5.2学习方法总结..........................................26
5.3布置作业..............................................27
六、拓展延伸..............................................27
6.1进一步学习两位数与一位数的加减法......................28
6.2探究更大范围的数的认识与计算..........................29
6.3创设新的数学情境与问题解决............................30
数学教案:一年级上册《5以内数的认识和加减法》(2).........31
一、情境导入..............................................32
1.1情境创设....................