简单的小数加减法

教案：简单的小数加减法年级：三年级下册科目：数学教材版本：青岛版教学目标：1. 让学生掌握简单的小数加减法运算方法。

2. 培养学生运用小数加减法解决实际问题的能力。

3. 培养学生良好的数学思维习惯和合作意识。

教学重点：1. 简单小数加减法的运算方法。

2. 小数点对齐。

3. 运算结果的准确性。

教学难点：1. 小数点对齐的技巧。

2. 运算过程中的进位与借位。

教学准备：1. 教学课件或黑板。

2. 练习题。

教学过程：一、导入1. 老师出示一些简单的整数加减法题目，让学生回顾整数加减法的运算方法。

2. 引导学生发现整数加减法中小数点的位置，为学习小数加减法做好铺垫。

二、新课讲解1. 老师讲解简单的小数加减法运算方法，强调小数点对齐的重要性。

2. 通过示例题目，让学生跟随老师一起进行小数加减法的运算，体会运算过程。

3. 引导学生总结小数加减法的运算规律，如进位、借位等。

三、巩固练习1. 老师出示一些简单的小数加减法题目，让学生独立完成。

2. 老师挑选一些学生的答案进行讲解，强调易错点。

3. 学生互相交换练习题，互相批改，共同进步。

四、拓展提高1. 老师出示一些稍微复杂的小数加减法题目，让学生尝试解决。

2. 引导学生运用所学知识解决实际问题，如购物找零等。

3. 鼓励学生提出问题，共同探讨解决方法。

五、课堂小结1. 老师引导学生回顾本节课所学内容，总结小数加减法的运算方法。

2. 学生分享自己的学习心得和收获。

3. 老师布置课后作业，巩固所学知识。

教学反思：本节课通过讲解、练习、拓展等多种教学手段，让学生掌握了简单的小数加减法运算方法。

在教学过程中，要注意关注学生的学习情况，及时解答学生的疑问。

同时，要注重培养学生的数学思维习惯和合作意识，提高他们解决实际问题的能力。

课后作业：1. 完成教材中的练习题。

2. 尝试解决一些实际问题，如购物找零等。

备注：本教案可根据实际教学情况进行调整。

重点关注的细节：小数点对齐的技巧和运算过程中的进位与借位。

练习范围：简单的小数加减法题数：100月日姓名: 分秒成绩:17.6 + 0.1 = 12.8 - 4.8 = 9 + 1.2 =9 - 0.6 = 0.7 + 2.6 = 0.2 + 0.2 = 11.8 - 3.7 = 6.9 + 3.6 = 1.7 + 9.9 = 17.7 - 1.6 = 9 + 4.3 = 6.7 + 6.8 = 7 - 6.3 = 5 - 4.5 = 11.5 - 6.8 = 10.1 + 6.1 = 10 - 6.5 = 10.4 - 9.1 = 10.3 - 7.3 = 15 + 0.2 = 5.4 + 7.4 = 2 + 7.3 = 8.6 + 4.1 = 12.3 + 3.1 = 6.5 + 5.2 = 13 + 4.6 = 2 - 1.3 =6 + 9.9 = 10.8 - 6.3 = 16 + 2.9 = 6 - 0.3 = 12.8 - 2.1 = 5.9 - 5.3 =4.1 - 0.4 = 5 + 0.7 = 5 - 1.7 =5 - 1.2 = 10 - 1.4 = 10 + 1.1 = 10 - 7.4 = 5 + 4.9 = 8.8 - 5.5 = 12.6 + 0.2 = 6.1 + 2.4 = 0.6 + 6.3 =14 + 0.2 = 10 - 6.3 = 2 + 2.9 =9 + 4.4 = 10.1 - 2.1 = 7 + 8.3 =10.5 + 2.7 = 9.8 - 7.9 = 2 - 0.9 =12 + 1.5 = 10 - 9.4 = 1 + 3.5 = 9.5 - 2.3 = 1 + 6.9 = 14.1 - 6.5 = 14.1 - 2.5 = 9.5 + 3.9 = 12.1 + 6.7 = 11.4 - 7.1 = 10 + 3.5 = 8.2 + 4.3 = 6 - 1.4 = 0.2 + 6.8 = 3.7 - 0.4 = 2 + 1.2 = 7.5 + 2.3 = 3.3 + 9.8 = 11 + 3.9 = 9 - 2.1 = 9.4 + 6.4 = 3.8 - 0.3 = 0.6 + 6.4 = 5.5 + 5.1 = 6 - 2.1 = 0.9 + 4.5 = 9.3 - 1.4 = 4.7 + 6.2 = 15.7 + 4.1 = 7 - 2.9 = 7.1 - 0.1 = 8 + 7.8 = 2.8 + 1.5 = 5.7 + 1.6 = 8.6 + 5.7 = 1 + 9.3 =8 - 5.9 = 2 + 2.8 = 5 + 7.8 = 15 + 4.2 = 4 - 0.4 = 12 + 5.1 =9 - 0.8 = 5.1 - 4.9 = 10 + 0.2 =10.8 - 5.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4.6 + 1.6 =5.9 - 5.3 = 13.7 - 7.6 = 8 - 2.1 = 6 - 5.4 = 7.8 - 1.3 = 10 + 8.1 = 4 + 3.1 = 5.8 + 2.7 = 7.1 + 3.7 = 13.4 - 2.4 = 9.7 + 5.3 = 7.5 - 3.9 = 10 - 7.4 = 1 + 9.9 = 7 + 5.1 = 8.8 -6.6 = 8.2 + 6.9 = 9.5 -7.5 = 17.9 - 0.5 = 4.1 + 6.4 = 14 + 0.9 = 11 + 2.8 = 5 + 0.3 = 19.6 - 0.9 = 3 +8.8 = 11.1 + 6.1 = 5.4 + 7.4 = 15 + 4.2 = 9 + 4.4 = 5 + 0.7 = 2 - 0.7 = 9 + 1.9 = 14.3 + 3.3 = 8 - 6.2 = 9 - 1.4 = 17.2 + 0.7 = 4.7 + 6.2 = 9 + 3.7 = 9 - 1.7 = 10 -9.4 = 0.7 + 2.6 = 4 - 1.1 =17 + 2.7 =2 + 1.4 =0 + 6.2 = 7.5 + 2.3 = 17.2 - 2.5 = 9.9 - 5.3 = 12.1 - 1.2 = 2 + 2.3 = 17.7 - 1.6 = 14.1 - 2.5 = 18.3 - 8.8 = 9.8 - 7.9 = 11 + 3.9 = 12.1 + 1.7 = 9 + 7.7 = 17.7 - 4.9 = 10 - 3.6 = 7 + 0.7 = 10.2 - 7.6 = 10 + 6.8 = 9 + 0.3 = 19.9 - 5.2 = 3.7 - 0.4 = 11.4 + 1.9 = 3 - 0.2 = 6.7 + 6.8 = 10.1 - 0.1 = 10.4 - 9.1 = 5 + 4.9 = 12.6 + 0.2 = 3 + 1.1 = 7 + 2.7 =7 - 0.3 = 10.8 - 6.3 = 0 + 0.6 = 12.2 + 6.6 = 3.3 + 9.8 = 3.1 - 0.5 = 4.7 + 2.8 = 9.7 + 1.3 = 6.9 + 2.1 = 9 - 2.1 = 10 - 4.2 = 4.7 + 7.1 = 13.8 - 5.2 = 7.3 + 4.2 = 9.2 - 8.4 = 2 - 1.3 = 8.4 - 4.6 = 13.9 + 3.4 = 2 - 0.9 = 12 + 2.3 = 10 + 3.5 = 4 + 5.7 = 9.7 - 7.6 = 4.5 + 4.5 = 2 + 1.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:13.6 + 2.7 = 7.5 + 5.6 = 8 - 5.8 = 10.4 + 7.3 = 5 - 2.1 = 3 - 2.8 = 8 - 6.6 = 1.9 + 5.6 = 10.2 - 6.6 = 13 + 1.2 = 16.9 - 1.3 = 12 + 5.4 = 15 + 3.7 = 4 + 5.7 = 17.6 - 5.9 = 11.8 - 6.1 = 10 - 8.8 = 4.4 + 0.3 = 9 + 2.5 = 15 + 0.1 = 16.3 - 4.5 = 5.7 + 7.4 = 13 + 1.8 = 11.2 + 0.6 = 1.5 + 4.5 = 8 - 2.1 = 7.2 - 2.8 = 11.2 - 6.3 = 11.9 - 2.2 = 9 - 6.6 = 6.8 - 4.1 = 5 + 7.4 = 10 - 0.8 = 6.4 - 4.2 = 6.7 + 4.4 = 14 + 0.2 = 15.8 - 2.5 = 9 + 1.6 = 16 + 3.6 = 17 + 1.6 = 16.2 - 2.8 = 9.7 - 8.5 = 1.2 + 9.8 =7 - 3.7 =5 - 3.5 =13.4 - 8.4 = 6.6 + 2.6 = 6 + 2.2 =4 - 3.4 = 3.4 - 0.2 = 14.1 + 1.7 = 11 + 8.8 =5 + 6.1 = 18 + 1.1 = 10 - 4.3 = 4 + 2.2 = 2.7 + 0.8 = 3.8 + 9.1 = 10 - 3.3 = 10 - 7.9 = 10 - 2.8 = 4 - 1.5 = 10.5 + 2.3 = 10 + 5.4 = 19.4 + 0.2 = 18.5 + 0.4 = 6.7 - 0.7 = 2 - 1.7 = 0.9 + 0.1 =10 - 5.8 = 6.2 - 1.4 = 9.7 - 9.6 =11 + 4.7 = 15 + 3.3 = 2.3 - 0.1 = 6 - 1.6 = 16.7 - 1.7 = 3 + 3.2 = 8.5 - 5.9 = 18.8 - 4.1 = 8 - 0.8 =7 - 4.9 = 3.5 + 5.8 = 0.8 + 3.8 = 13 + 4.3 = 9 - 3.4 = 11 + 5.8 = 10 - 8.2 = 12.9 - 7.7 = 10 + 7.5 = 1 - 0.2 = 5 - 4.5 = 6 - 5.1 = 15.1 + 0.9 = 5 + 6.9 = 16 + 1.2 = 11 + 1.6 = 8 - 4.3 = 4.2 + 9.5 = 10 + 7.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:12.7 + 3.3 = 0 + 2.1 = 9 - 2.1 = 15 + 4.2 = 4.6 + 1.6 = 9.8 - 7.9 = 10.8 - 6.3 = 13.6 - 1.7 = 9 - 5.8 = 15 + 0.9 = 3 + 3.9 = 0 + 7.2 = 9.6 - 7.4 = 3 - 0.6 = 9 - 1.9 = 7 - 6.3 = 1 + 6.9 = 9 + 0.3 = 0.2 + 5.3 = 3 + 7.4 = 10.8 - 5.2 = 9 - 7.5 = 12.6 + 7.1 = 10 + 4.4 = 16.5 - 9.3 = 9 - 1.6 = 4.6 + 5.5 = 0.2 + 6.8 = 7.1 + 8.1 = 5 + 9.7 = 4 + 2.6 = 6 - 4.6 = 2 + 1.4 = 5.1 - 4.9 = 7 - 0.9 = 12.6 + 0.2 = 0.6 + 6.4 = 14 + 2.2 = 2 + 8.9 = 4 - 0.4 = 6.7 + 6.8 = 11.3 - 9.2 = 5 + 1.6 =5 + 4.9 =15.8 - 4.8 =2.8 + 1.5 = 5.9 - 5.3 = 2 - 1.3 =6 - 1.4 = 13.4 - 2.4 = 0.7 + 2.6 = 10 + 0.2 = 13.9 + 3.4 = 11 + 2.4 = 8.7 - 0.1 = 9 - 1.1 = 6 + 9.1 = 19.4 - 7.3 = 17.7 - 1.6 = 12.8 + 6.5 = 9.7 + 1.3 = 19.7 - 6.3 = 0 + 7.4 =3 + 6.7 = 11 + 3.9 = 10 - 6.9 = 13 + 4.6 = 8 - 6.7 = 5 + 8.1 =9 - 1.4 = 10 + 3.8 = 8.6 + 4.1 = 3.8 - 0.3 = 5 - 0.7 = 0.4 + 3.4 = 5 + 6.1 = 4.3 + 8.8 = 10 - 7.4 = 2.4 + 7.1 = 18.3 - 8.8 = 2 - 1.5 =1 + 6.7 = 15 + 0.2 = 11.1 + 6.1 = 19 + 0.3 = 14.6 + 4.1 = 2 - 0.6 = 17.2 - 6.7 = 9 - 7.9 = 8 - 5.9 =3 + 1.8 = 13.4 + 3.4 = 19.6 - 7.9 = 6 - 3.3 = 17.4 - 4.8 = 17.7 - 3.7 =5 + 6.3 = 5 - 4.5 = 10 - 9.2 = 14 + 0.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:1.3 + 3.5 = 9 - 3.2 = 14.1 + 1.7 = 9 - 6.7 =2.6 - 0.9 = 18.2 - 4.5 = 9 -3.4 = 10.2 - 3.6 = 5 + 9.6 = 6 - 3.8 = 10.5 - 8.5 = 6.6 + 7.4 = 7.7 + 9.8 = 17.8 - 9.2 = 8.6 - 7.3 = 5.3 - 2.2 = 9 + 6.1 = 18.3 - 3.6 = 8 - 5.6 = 2.8 - 0.7 = 6 - 2.2 = 10 + 6.3 = 16.4 - 5.2 = 3 + 5.8 = 2.4 - 1.8 = 11 + 1.4 = 15 +4.1 = 11.7 - 6.6 = 7.4 + 0.3 = 9 + 7.9 = 1 + 2.8 = 2.4 + 4.2 = 16 + 0.2 = 7 - 4.3 = 8.7 - 2.3 = 8 - 4.9 = 16.6 - 1.6 = 12 + 4.8 = 10 + 8.5 = 2 +5.7 = 17.2 - 4.7 = 0.8 + 0.5 = 1.8 +6.1 =11.7 + 4.1 =8 - 0.2 =3 - 1.4 = 6.6 - 6.5 = 3.1 + 2.2 = 16.3 + 0.1 = 11.9 - 7.1 = 8 - 0.7 = 7.5 - 3.8 = 3 + 1.9 = 8 + 8.8 = 10 - 0.7 = 2 - 0.1 = 1 + 4.1 = 0.1 + 3.7 = 5.6 + 8.2 = 5.4 + 6.3 = 8.8 + 7.8 = 5.3 + 5.6 = 15.4 - 0.2 =5.6 - 2.1 = 12.1 + 7.9 = 12 +6.6 =6.8 + 4.3 = 4.8 - 2.6 = 3.8 + 1.6 =8.9 + 0.5 = 11 + 1.6 = 9 + 9.2 =9.6 + 5.5 = 17.8 - 2.2 = 11.9 - 3.1 = 5.2 + 9.3 = 5 - 4.2 = 6 + 0.8 = 3.8 + 4.6 = 12 + 3.2 = 11.7 + 3.9 = 8.6 - 8.4 = 9.3 + 0.1 = 6 + 8.6 =4 + 4.5 = 10 - 0.5 = 1.5 + 7.8 = 17.6 - 6.3 = 9.5 - 7.8 =7 - 6.1 =4 - 1.4 = 9 + 8.2 = 7 - 5.9 =1 + 6.4 = 17.8 - 2.7 = 4 - 1.1 =2 - 0.3 = 3.8 - 2.5 =4 - 3.2 =7 - 0.5 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:7 - 0.3 = 7 + 7.7 = 3 - 1.5 = 7.7 + 1.9 = 16 + 2.2 = 7 + 1.6 = 2 + 7.7 = 0.7 + 2.3 = 1.1 + 8.3 = 5 - 3.6 = 1 + 3.2 = 2.4 + 6.4 = 9 - 8.9 = 13.3 - 2.6 = 3 - 1.9 = 8.3 + 7.8 = 2.9 - 0.1 = 8.8 - 6.2 = 6.2 - 5.1 = 9 + 4.8 = 4 + 7.9 = 9.5 - 7.9 = 14.7 + 1.8 = 4.9 + 5.6 = 6 - 4.9 = 4.6 + 3.5 = 7 - 0.9 = 9 - 5.5 = 16.2 - 3.2 = 5 - 0.8 = 18.8 - 2.3 = 0.3 + 2.2 = 0.7 + 1.1 = 11.1 - 9.2 = 4 - 3.2 = 6.4 + 2.7 = 10 - 8.9 = 17.5 - 7.2 = 9 - 4.8 = 3.3 + 0.3 = 10 - 6.3 = 7.9 + 1.2 = 1 + 3.9 =7 + 3.9 =3 + 0.2 =6.1 - 5.2 = 4 + 0.2 = 2 + 5.7 = 15.2 - 0.6 = 5 + 3.2 = 7 + 9.5 = 19.4 - 4.6 = 15 + 3.2 = 16.1 - 3.8 = 16.7 + 1.8 = 8.7 - 1.7 = 7 - 5.8 = 6.6 - 3.4 = 6 +7.4 = 18.9 - 0.8 = 8.5 + 1.9 = 10 - 3.8 = 3 + 4.4 = 17.9 - 2.8 = 10 - 3.4 = 4.5 + 3.4 = 17 + 2.4 = 4.6 + 0.9 = 8 - 3.6 = 11 + 2.7 = 11 + 0.6 = 9 - 6.2 = 10.6 - 1.8 = 10.8 + 3.8 = 5 - 1.3 =9 - 2.8 = 5.9 + 6.4 = 2.5 + 3.8 = 7.6 - 0.9 = 3 + 2.9 = 10 + 1.7 = 2.8 + 8.3 = 10.3 + 2.8 = 16 + 3.4 = 5 - 1.7 = 7.3 + 3.6 = 7 - 1.3 =8 + 4.5 = 8 - 4.5 = 13 + 1.2 = 19.9 - 4.2 = 14.6 - 3.4 = 10 + 0.5 = 12 + 7.5 = 13.9 - 0.2 = 8.7 + 3.5 = 5 + 0.6 = 16.3 - 9.6 = 0 + 7.6 = 11.9 - 4.4 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4 + 3.1 = 9.9 - 5.3 = 1 + 3.5 = 0.3 + 0.9 = 17.5 - 9.7 = 5.9 - 5.3 = 7 - 6.3 = 5 - 3.6 = 16.5 - 9.3 = 10 - 4.4 = 12.8 - 4.2 = 4.6 - 1.1 = 10 + 6.8 = 3 + 5.1 = 10.7 + 6.6 = 6 - 5.4 =8 - 7.8 =9 - 0.4 = 11 + 1.2 = 9 + 1.9 = 8 - 2.5 = 8 - 4.5 = 4.9 - 3.2 = 14.1 + 4.2 = 5 + 8.1 = 2 - 1.3 = 2 - 0.9 = 3 - 2.8 = 10.4 - 9.1 = 2 + 1.5 = 10 - 1.4 = 5 + 0.7 = 17.4 - 6.9 = 5 + 4.9 = 7 + 8.3 = 9 + 3.8 = 14 + 0.2 = 0 + 2.8 = 10.9 - 0.3 = 12.9 - 4.7 = 12.7 + 3.3 = 13.7 - 7.6 = 9.2 - 4.3 =4 - 0.4 =1 + 6.1 =17.3 - 7.4 = 3.3 + 9.8 = 5 - 4.9 =1 - 0.4 = 4 - 1.7 = 13.4 - 2.4 = 3.7 - 0.4 = 8 - 1.9 = 6.7 + 6.8 = 9 + 0.3 =2 - 0.2 = 14 + 3.6 = 11.1 + 6.1 = 9 + 4.4 = 6 - 2.9 =5 - 4.5 = 12 + 1.5 = 1.5 - 0.8 = 9.8 - 7.9 = 17.4 - 4.5 = 0.2 + 6.8 = 8 - 6.2 = 10 + 3.5 = 11.7 - 1.3 = 11.3 - 1.1 = 13.1 - 4.9 = 11.3 - 5.3 = 13.6 - 3.4 = 8 + 6.6 = 18.7 - 4.3 = 12.4 - 6.5 = 10 + 9.4 = 3 - 1.1 = 7.5 + 2.3 = 0.7 + 2.6 = 6 - 5.2 = 13 + 5.9 = 12.7 + 0.2 = 2 + 1.2 = 9.7 + 1.3 = 17 + 0.9 = 19.9 - 5.2 =13.9 + 3.4 = 2 - 1.2 = 0 + 8.5 =14.4 + 0.2 = 13 + 4.3 = 7 + 0.7 = 12.6 + 0.2 = 9.3 - 1.4 = 17.7 - 1.6 = 9.1 + 7.4 = 14.6 + 2.5 = 10 - 3.6 = 7.2 + 6.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:8 - 1.2 = 17.2 - 6.3 = 10 + 2.3 = 11.5 - 8.3 = 10.5 + 2.6 = 4 + 7.2 = 6 + 6.3 = 8 + 3.5 = 9.1 + 7.3 = 0.1 + 1.9 = 15.3 - 8.9 = 7 - 1.4 = 8 - 6.2 = 4 + 8.1 = 10.3 - 3.9 = 3.7 + 5.6 = 3 + 8.8 = 10.5 - 9.5 = 8 + 2.7 = 3 + 5.3 = 3.2 + 8.1 = 16.4 - 6.6 = 10 + 1.5 = 4 - 3.5 = 9 - 0.2 = 3 + 4.9 = 5.2 + 8.2 = 10 - 8.1 = 9 - 4.8 = 15.5 - 2.8 = 2 - 0.7 = 9 + 1.1 = 2.9 + 7.1 = 17.1 - 2.8 = 8 - 6.8 = 3 + 8.9 = 1 + 2.4 = 12.5 + 7.4 = 9 - 7.7 = 0 + 4.6 = 9 - 8.6 = 19.9 - 2.2 = 18.5 - 0.4 =7 - 5.6 =15.4 + 1.6 =2 + 8.7 = 11.7 + 7.6 = 8.2 - 7.4 = 12.4 + 7.6 = 10 + 0.8 = 9 - 2.4 =8 - 1.1 = 13 + 4.8 = 6 - 2.1 = 3.1 + 0.6 = 10 + 4.7 = 9.4 - 2.8 = 9.1 - 6.7 = 3 + 6.9 = 5 - 0.3 =4 - 2.1 = 6.7 - 3.6 = 6 + 9.8 = 14.5 - 6.8 = 0.1 + 2.1 = 14.2 - 3.8 = 9.1 + 9.3 = 7.9 - 6.7 = 2 + 8.4 = 15.5 - 7.5 = 16.7 - 2.2 =6 + 1.8 = 7.3 + 4.5 = 15.2 + 4.5 = 19.5 - 7.9 = 10 + 5.8 = 10 - 5.5 = 8 + 1.3 = 8.6 - 6.2 = 13 + 3.2 = 1 - 0.2 = 19.6 - 5.7 = 1 + 7.9 = 2.5 + 0.7 =8 + 0.8 = 7.9 - 6.6 = 18.5 + 1.5 = 7 - 6.6 = 9.1 + 2.9 = 9.5 + 1.5 = 10 - 2.5 = 9 - 0.8 = 8.6 - 4.4 = 6 - 3.8 = 8 - 0.3 = 4 + 3.8 =6 - 0.4 = 4.7 + 6.9 = 11.9 - 1.2 = 18 + 0.4 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4 - 3.1 = 3.5 + 4.7 = 17.4 - 3.1 = 10.9 - 7.1 = 18 + 1.4 = 8 - 1.4 = 9.5 + 6.6 = 8.2 + 9.2 = 6 - 0.2 = 0.1 + 1.7 = 13.5 + 1.8 = 3 + 6.9 = 1.2 + 1.8 = 9.8 + 6.3 = 1 + 0.3 = 6 - 2.6 = 4 + 0.2 = 1.7 + 6.5 = 4.2 + 3.4 = 5 + 9.9 = 9.3 - 1.5 = 7 + 7.7 = 10.9 + 0.5 = 4 - 0.3 = 9 + 5.1 = 6 - 4.8 = 9 - 2.1 = 14.8 + 4.6 = 5 + 7.2 = 16.6 - 7.5 = 17 + 0.9 = 18 + 1.7 = 8 + 8.3 = 1 + 6.1 = 9.8 + 4.2 = 11.1 - 8.3 = 0.3 - 0.1 = 10 - 3.7 = 8.6 + 2.2 = 10 - 7.8 = 6 - 0.6 = 5.9 + 0.9 = 17.2 - 7.6 =0.3 + 9.4 =10.3 + 4.7 =16.1 - 2.6 = 6 + 7.4 = 8 - 0.4 = 12.8 + 2.2 = 9 - 8.9 = 6 + 9.9 = 16 + 0.9 = 15.8 + 2.8 = 8 - 4.5 =0 + 0.9 = 7 - 4.2 = 1.5 + 5.3 = 14.9 - 7.7 = 1 + 2.5 = 8 - 6.4 =6 + 6.1 = 11.8 - 9.3 = 4.4 + 6.4 = 2 + 5.6 = 14 + 5.1 = 9 - 3.7 = 4.8 + 0.6 = 3.5 + 9.6 = 10.9 - 8.7 = 9.1 + 4.3 = 11 + 8.8 = 2.4 - 1.5 = 14.7 + 3.9 = 5 - 4.6 = 4 - 0.4 = 18.2 - 9.3 = 8.3 + 1.4 = 17.8 - 0.8 = 3 + 3.8 = 17.4 + 1.3 = 6 + 6.9 = 12 + 3.8 = 14.5 - 0.6 = 10.9 + 6.9 = 10 - 7.1 = 14.2 - 6.2 = 9 - 5.8 =7 + 4.6 = 4 - 0.6 = 2.8 - 1.5 = 12 + 1.6 = 5.3 + 5.2 = 9.6 + 0.9 = 6 - 3.7 = 11 + 1.8 = 15.8 - 3.7 = 11.1 - 1.7 = 4 + 1.8 = 9.4 + 3.2 = 10 - 5.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:1.2 - 0.5 = 10 - 4.6 = 1 + 9.7 = 3 - 1.7 = 10 + 5.9 = 8 - 6.3 = 14 + 4.6 = 10.6 - 4.7 = 10 - 5.2 = 10.1 + 1.5 = 8.6 +2.4 = 9 - 6.4 = 7 - 0.5 = 7 - 6.4 = 9.5 - 1.4 = 8.4 - 2.7 = 19 + 0.8 = 5 - 0.8 = 2.9 + 1.6 = 4.3 - 2.4 = 5 + 7.7 = 14.2 + 5.4 = 6.8 + 5.6 = 12.2 - 1.3 = 13.2 - 3.2 = 18.2 - 0.3 = 6.5 + 0.8 = 8.1 + 0.7 = 11.2 - 6.7 = 2 + 0.4 = 7 - 1.5 = 2.8 +4.2 = 6.2 + 6.1 = 2 + 6.4 = 3 - 2.9 = 17.2 - 1.5 = 6 - 0.9 = 2.9 + 7.8 = 13 + 2.1 = 1 + 3.3 = 11.8 + 7.2 = 10 - 0.8 = 4.6 +5.8 =8 - 3.8 =9 - 8.7 =18.8 - 3.6 = 2.2 - 1.5 = 5 - 1.3 = 11.1 - 3.3 = 12 + 3.8 = 8.3 - 4.3 = 2.3 + 2.5 = 15.1 - 6.5 = 11.7 + 1.5 = 1.1 + 0.6 = 4 - 0.4 = 4.5 + 3.8 = 11.7 + 5.4 = 11.4 + 7.1 = 14.3 + 1.4 = 11 + 0.1 = 6.9 + 2.3 = 5 - 0.6 =8 + 2.2 = 3.6 + 3.3 = 9.3 - 6.7 = 5 - 3.4 = 2 + 4.4 = 6 + 7.8 = 13.9 + 4.3 = 6 + 2.1 = 7.6 - 5.6 = 6 + 9.8 = 3.9 - 2.9 = 18.8 - 5.2 = 11 + 1.4 = 7 - 4.1 = 12.8 + 7.2 =7.9 - 1.3 = 2 - 1.3 = 9.3 - 3.6 =8.8 + 5.3 = 7 - 0.1 = 16.1 - 9.9 = 13.7 - 3.4 = 11 + 5.9 = 17.7 + 2.2 = 9 - 3.1 = 17.5 + 1.3 = 19.4 - 1.3 = 16 + 3.9 = 5.8 + 5.9 = 0 + 2.8 = 9.5 + 4.5 = 11.6 + 7.4 = 12.7 - 5.3 = 8 - 5.4 = 13 + 1.1 = 9 - 1.9 =10 - 7.3 =。