小学一年级数学十几减8的退位减法练习题
一年级数学下册第二单元20以内的退位减法 1-5课时十几减9 练习二十几减8 十几减7、6 练习三
返回
如何计算13－6=？ 13－7=？ 方法一
平十法
13－6= 7
13－7= 6
33
34
10
10
返回
如何计算13－6=？ 13－7=？ 方法二
破十法
13－6= 7 3 10
4
13－7= 6 3 10
3
返回
如何计算13－6=？ 13－7=？ 方法一
想加算减
6+7=13
13－6=7
返回
课堂小结
这节课你们都学会了哪些知识？
计算十几减7、6可以用 想加算减 平十法 破十法……
返回
课后作业 课本： 第14页做一做第3题
返回
人教版 数学 一年级 下册
2 20以内的退位减法
练习三
复习旧知 课堂小结
巩固练习 课后作业
复习旧知
11 － 9 =2 12 － 9 =3 13 － 9 =4 14 － 9 =5
返回
我们一共收了16个胡 萝卜，分给你9个。
你还剩几个？
16 － 9 = 7 (个) 返回
今天我一共要编14个， 已经编好了9个。
还要编几个？ 16 － 9 = 7 (个)
返回
我们一共有 10个男生。
老师让相邻两个男 生之间站一个女生。
一共可以站进多少个女生？ 10 － 1 = 9 (个)
返回
返回
8+5= 13 13－8= 5
8+3= 11 11－8= 3
8+6= 14 14－8= 6
说说你有什么发现？
返回
课堂小结
这节课你们都学会了哪些知识？
计算十几减8可以用 想加算减 平十法 破十法……
一年级十几减8的退位减法计算题
一年级十几减8的退位减法计算题班级 姓名11 -8 =14 -8 =18 -8 =14 -8 = 15 -8 =10 -8 =10 -8 =11 -8 = 19 -8 =18 -8 =15 -8 =16 -8 = 11 -8 =10 -8 =11 -8 =12 -8 = 16 -8 =19 -8 =10 -8 =12 -8 = 10 -8 =15 -8 =18 -8 =14 -8 = 15 -8 =17 -8 =17 -8 =10 -8 = 14 -8 =18 -8 =18 -8 =12 -8 = 16 -8 =12 -8 =16 -8 =13 -8 = 13 -8 =10 -8 =17 -8 =13 -8 = 12 -8 =14 -8 =17 -8 =17 -8 =10 -8 =13 -8 =10 -8 =16 -8 =11 -8 =17 -8 =11 -8 =14 -8 =12 -8 =14 -8 =19 -8 =13 -8 = 16 -8 =14 -8 =12 -8 =15 -8 =18 -8 =14 -8 =10 -8 =17 -8 =19 -8 =10 -8 =13 -8 =10 -8 = 19 -8 =13 -8 =16 -8 =19 -8 = 12 -8 =18 -8 =16 -8 =13 -8 = 16 -8 =16 -8 =10 -8 =19 -8 = 18 -8 =16 -8 =12 -8 =13 -8 = 12 -8 =17 -8 =10 -8 =12 -8 = 19 -8 =11 -8 =18 -8 =15 -8 = 14 -8 =15 -8 =17 -8 =10 -8 = 19 -8 =17 -8 =14 -8 =18 -8 =一年级十几减8的退位减法计算题班级 姓名18 -8 =19 -8 =10 -8 =14 -8 = 11 -8 =18 -8 =13 -8 =17 -8 = 11 -8 =11 -8 =15 -8 =17 -8 = 18 -8 =10 -8 =12 -8 =14 -8 = 13 -8 =18 -8 =12 -8 =19 -8 = 13 -8 =10 -8 =17 -8 =10 -8 = 13 -8 =12 -8 =16 -8 =12 -8 = 12 -8 =16 -8 =12 -8 =17 -8 = 10 -8 =16 -8 =17 -8 =10 -8 = 10 -8 =15 -8 =19 -8 =19 -8 = 17 -8 =18 -8 =10 -8 =16 -8 = 14 -8 =10 -8 =13 -8 =16 -8 =13 -8 =17 -8 =13 -8 =14 -8 =14 -8 =15 -8 =12 -8 =15 -8 = 17 -8 =17 -8 =18 -8 =14 -8 = 19 -8 =19 -8 =13 -8 =10 -8 = 19 -8 =11 -8 =18 -8 =16 -8 = 16 -8 =14 -8 =17 -8 =19 -8 = 16 -8 =18 -8 =19 -8 =14 -8 = 13 -8 =15 -8 =19 -8 =15 -8 = 19 -8 =11 -8 =15 -8 =16 -8 = 13 -8 =10 -8 =11 -8 =10 -8 = 16 -8 =19 -8 =16 -8 =12 -8 = 10 -8 =12 -8 =11 -8 =19 -8 = 16 -8 =15 -8 =14 -8 =15 -8 = 18 -8 =17 -8 =10 -8 =12 -8 =一年级十几减8的退位减法计算题班级 姓名11 -8 =19 -8 =14 -8 =18 -8 = 14 -8 =12 -8 =18 -8 =12 -8 =10 -8 =12 -8 =11 -8 =18 -8 =11 -8 =10 -8 =16 -8 =17 -8 = 14 -8 =12 -8 =19 -8 =15 -8 = 14 -8 =17 -8 =10 -8 =16 -8 = 16 -8 =15 -8 =10 -8 =14 -8 = 16 -8 =16 -8 =16 -8 =12 -8 = 15 -8 =17 -8 =19 -8 =14 -8 = 17 -8 =15 -8 =10 -8 =10 -8 =10 -8 =15 -8 =16 -8 =18 -8 =11 -8 =12 -8 =14 -8 =13 -8 = 10 -8 =18 -8 =13 -8 =12 -8 = 12 -8 =14 -8 =16 -8 =19 -8 = 14 -8 =19 -8 =17 -8 =19 -8 = 10 -8 =19 -8 =14 -8 =16 -8 = 14 -8 =16 -8 =15 -8 =18 -8 = 13 -8 =18 -8 =19 -8 =12 -8 = 10 -8 =12 -8 =14 -8 =11 -8 = 18 -8 =12 -8 =14 -8 =17 -8 = 15 -8 =17 -8 =15 -8 =16 -8 = 11 -8 =12 -8 =15 -8 =13 -8 =17 -8 =13 -8 =14 -8 =10 -8 =18 -8 =15 -8 =17 -8 =13 -8 = 11 -8 =14 -8 =16 -8 =19 -8 = 18 -8 =15 -8 =19 -8 =16 -8 =一年级十几减8的退位减法计算题班级 姓名10 -8 =18 -8 =12 -8 =14 -8 =11 -8 =14 -8 =11 -8 =14 -8 = 19 -8 =10 -8 =11 -8 =15 -8 = 18 -8 =19 -8 =19 -8 =17 -8 = 13 -8 =14 -8 =19 -8 =13 -8 =10 -8 =15 -8 =19 -8 =11 -8 =11 -8 =19 -8 =15 -8 =11 -8 = 10 -8 =14 -8 =15 -8 =11 -8 = 16 -8 =15 -8 =12 -8 =16 -8 = 18 -8 =15 -8 =11 -8 =13 -8 = 12 -8 =11 -8 =16 -8 =17 -8 = 12 -8 =10 -8 =11 -8 =12 -8 = 17 -8 =18 -8 =14 -8 =16 -8 = 10 -8 =19 -8 =11 -8 =10 -8 = 16 -8 =19 -8 =15 -8 =15 -8 = 12 -8 =12 -8 =17 -8 =10 -8 = 11 -8 =13 -8 =13 -8 =19 -8 = 13 -8 =18 -8 =16 -8 =11 -8 = 10 -8 =11 -8 =15 -8 =15 -8 = 17 -8 =14 -8 =17 -8 =15 -8 = 19 -8 =15 -8 =11 -8 =15 -8 = 10 -8 =17 -8 =17 -8 =17 -8 = 10 -8 =19 -8 =16 -8 =12 -8 = 10 -8 =13 -8 =19 -8 =18 -8 = 15 -8 =17 -8 =16 -8 =13 -8 = 17 -8 =13 -8 =16 -8 =18 -8 =一年级十几减8的退位减法计算题班级 姓名10 -8 =13 -8 =17 -8 =13 -8 = 10 -8 =17 -8 =15 -8 =11 -8 = 16 -8 =14 -8 =17 -8 =11 -8 = 15 -8 =12 -8 =13 -8 =13 -8 = 13 -8 =18 -8 =13 -8 =13 -8 = 10 -8 =17 -8 =15 -8 =15 -8 = 16 -8 =10 -8 =12 -8 =19 -8 = 12 -8 =18 -8 =18 -8 =16 -8 = 19 -8 =19 -8 =13 -8 =11 -8 = 17 -8 =14 -8 =15 -8 =18 -8 = 19 -8 =11 -8 =15 -8 =14 -8 = 18 -8 =18 -8 =13 -8 =14 -8 = 18 -8 =19 -8 =15 -8 =18 -8 = 12 -8 =13 -8 =14 -8 =10 -8 = 12 -8 =14 -8 =19 -8 =14 -8 = 11 -8 =14 -8 =12 -8 =12 -8 = 15 -8 =16 -8 =13 -8 =13 -8 = 17 -8 =16 -8 =19 -8 =10 -8 = 12 -8 =13 -8 =10 -8 =15 -8 = 17 -8 =17 -8 =12 -8 =13 -8 =15 -8 =18 -8 =12 -8 =17 -8 =16 -8 =13 -8 =13 -8 =15 -8 = 16 -8 =14 -8 =17 -8 =19 -8 = 16 -8 =17 -8 =12 -8 =14 -8 = 12 -8 =17 -8 =13 -8 =17 -8 = 19 -8 =19 -8 =14 -8 =13 -8 =一年级十几减8的退位减法计算题班级 姓名18 -8 =19 -8 =10 -8 =12 -8 = 13 -8 =19 -8 =11 -8 =15 -8 = 12 -8 =18 -8 =10 -8 =17 -8 = 18 -8 =13 -8 =13 -8 =10 -8 = 16 -8 =18 -8 =12 -8 =13 -8 = 12 -8 =10 -8 =13 -8 =11 -8 = 15 -8 =18 -8 =12 -8 =19 -8 = 13 -8 =18 -8 =15 -8 =19 -8 = 11 -8 =12 -8 =15 -8 =16 -8 = 17 -8 =19 -8 =14 -8 =12 -8 = 10 -8 =13 -8 =13 -8 =19 -8 = 19 -8 =19 -8 =14 -8 =14 -8 = 16 -8 =16 -8 =14 -8 =11 -8 =16 -8 =17 -8 =17 -8 =16 -8 =17 -8 =19 -8 =13 -8 =13 -8 = 19 -8 =13 -8 =11 -8 =13 -8 = 18 -8 =16 -8 =10 -8 =18 -8 = 17 -8 =17 -8 =10 -8 =10 -8 = 17 -8 =10 -8 =18 -8 =12 -8 = 12 -8 =17 -8 =16 -8 =14 -8 = 10 -8 =14 -8 =10 -8 =16 -8 = 12 -8 =12 -8 =12 -8 =18 -8 = 15 -8 =15 -8 =15 -8 =13 -8 = 10 -8 =18 -8 =18 -8 =15 -8 = 13 -8 =13 -8 =11 -8 =16 -8 = 12 -8 =18 -8 =11 -8 =17 -8 =一年级十几减8的退位减法计算题班级 姓名18 -8 =17 -8 =12 -8 =14 -8 =19 -8 =17 -8 =16 -8 =12 -8 = 14 -8 =15 -8 =18 -8 =13 -8 = 16 -8 =18 -8 =15 -8 =14 -8 = 16 -8 =14 -8 =19 -8 =10 -8 = 12 -8 =19 -8 =13 -8 =16 -8 = 16 -8 =12 -8 =15 -8 =10 -8 = 19 -8 =14 -8 =17 -8 =12 -8 = 18 -8 =17 -8 =12 -8 =12 -8 = 12 -8 =18 -8 =19 -8 =19 -8 = 17 -8 =14 -8 =17 -8 =17 -8 = 10 -8 =19 -8 =16 -8 =16 -8 = 17 -8 =12 -8 =19 -8 =17 -8 = 14 -8 =12 -8 =13 -8 =19 -8 = 13 -8 =13 -8 =15 -8 =11 -8 = 12 -8 =15 -8 =18 -8 =12 -8 = 12 -8 =15 -8 =18 -8 =17 -8 = 14 -8 =16 -8 =14 -8 =11 -8 = 19 -8 =18 -8 =19 -8 =14 -8 = 13 -8 =17 -8 =13 -8 =14 -8 = 13 -8 =18 -8 =17 -8 =18 -8 =18 -8 =11 -8 =15 -8 =19 -8 =19 -8 =17 -8 =12 -8 =15 -8 = 15 -8 =19 -8 =14 -8 =11 -8 =15 -8 =13 -8 =19 -8 =11 -8 =16 -8 =16 -8 =13 -8 =10 -8 =一年级十几减8的退位减法计算题班级 姓名19 -8 =18 -8 =11 -8 =19 -8 = 15 -8 =13 -8 =12 -8 =16 -8 = 12 -8 =11 -8 =17 -8 =11 -8 = 16 -8 =17 -8 =17 -8 =12 -8 = 12 -8 =16 -8 =19 -8 =12 -8 = 18 -8 =11 -8 =17 -8 =10 -8 = 16 -8 =17 -8 =11 -8 =16 -8 = 10 -8 =10 -8 =11 -8 =12 -8 = 16 -8 =15 -8 =19 -8 =16 -8 = 18 -8 =15 -8 =19 -8 =10 -8 =15 -8 =14 -8 =17 -8 =16 -8 =16 -8 =13 -8 =10 -8 =15 -8 = 18 -8 =15 -8 =10 -8 =17 -8 = 10 -8 =15 -8 =11 -8 =11 -8 = 10 -8 =17 -8 =14 -8 =19 -8 = 19 -8 =13 -8 =11 -8 =19 -8 = 10 -8 =16 -8 =17 -8 =15 -8 = 19 -8 =10 -8 =16 -8 =15 -8 = 14 -8 =14 -8 =13 -8 =11 -8 = 11 -8 =16 -8 =16 -8 =15 -8 = 14 -8 =13 -8 =17 -8 =10 -8 = 14 -8 =10 -8 =10 -8 =11 -8 = 16 -8 =13 -8 =19 -8 =16 -8 = 11 -8 =15 -8 =10 -8 =19 -8 =18 -8 =14 -8 =17 -8 =12 -8 =19 -8 =14 -8 =19 -8 =13 -8 =一年级十几减8的退位减法计算题班级 姓名17 -8 =11 -8 =13 -8 =11 -8 =18 -8 =13 -8 =17 -8 =13 -8 =13 -8 =13 -8 =12 -8 =17 -8 =14 -8 =13 -8 =11 -8 =19 -8 = 16 -8 =17 -8 =19 -8 =11 -8 = 12 -8 =19 -8 =14 -8 =14 -8 = 12 -8 =16 -8 =14 -8 =17 -8 = 10 -8 =13 -8 =18 -8 =14 -8 = 15 -8 =18 -8 =11 -8 =19 -8 = 13 -8 =12 -8 =12 -8 =10 -8 = 12 -8 =16 -8 =11 -8 =18 -8 = 10 -8 =13 -8 =19 -8 =19 -8 = 10 -8 =12 -8 =15 -8 =12 -8 = 10 -8 =12 -8 =13 -8 =18 -8 = 17 -8 =13 -8 =17 -8 =12 -8 = 14 -8 =18 -8 =15 -8 =12 -8 = 16 -8 =12 -8 =11 -8 =18 -8 = 10 -8 =11 -8 =18 -8 =10 -8 = 10 -8 =10 -8 =10 -8 =17 -8 = 12 -8 =18 -8 =19 -8 =19 -8 = 10 -8 =10 -8 =16 -8 =10 -8 =14 -8 =19 -8 =11 -8 =10 -8 =15 -8 =15 -8 =18 -8 =15 -8 = 10 -8 =15 -8 =14 -8 =17 -8 = 14 -8 =16 -8 =14 -8 =19 -8 = 17 -8 =14 -8 =18 -8 =12 -8 =一年级十几减8的退位减法计算题班级 姓名19 -8 =13 -8 =17 -8 =15 -8 = 14 -8 =16 -8 =13 -8 =16 -8 = 17 -8 =18 -8 =18 -8 =11 -8 = 17 -8 =12 -8 =10 -8 =10 -8 = 17 -8 =13 -8 =13 -8 =14 -8 = 10 -8 =16 -8 =11 -8 =11 -8 = 13 -8 =14 -8 =18 -8 =16 -8 = 15 -8 =16 -8 =15 -8 =15 -8 = 13 -8 =16 -8 =14 -8 =10 -8 = 11 -8 =16 -8 =19 -8 =19 -8 = 13 -8 =13 -8 =10 -8 =10 -8 =18 -8 =10 -8 =15 -8 =14 -8 =19 -8 =13 -8 =12 -8 =18 -8 = 15 -8 =10 -8 =14 -8 =12 -8 = 11 -8 =14 -8 =18 -8 =19 -8 = 16 -8 =12 -8 =17 -8 =17 -8 = 16 -8 =14 -8 =18 -8 =13 -8 = 14 -8 =15 -8 =16 -8 =12 -8 = 11 -8 =18 -8 =19 -8 =12 -8 = 13 -8 =16 -8 =13 -8 =10 -8 = 11 -8 =14 -8 =14 -8 =19 -8 = 19 -8 =16 -8 =14 -8 =17 -8 = 15 -8 =15 -8 =17 -8 =12 -8 = 18 -8 =17 -8 =10 -8 =12 -8 = 11 -8 =17 -8 =12 -8 =15 -8 = 11 -8 =13 -8 =18 -8 =13 -8 =一年级十几减8的退位减法计算题班级 姓名12 -8 =11 -8 =10 -8 =15 -8 = 11 -8 =18 -8 =11 -8 =16 -8 = 15 -8 =15 -8 =11 -8 =17 -8 =11 -8 =16 -8 =12 -8 =15 -8 =12 -8 =10 -8 =15 -8 =16 -8 = 14 -8 =17 -8 =10 -8 =17 -8 = 10 -8 =12 -8 =12 -8 =16 -8 = 15 -8 =14 -8 =15 -8 =17 -8 = 14 -8 =19 -8 =14 -8 =17 -8 = 17 -8 =11 -8 =15 -8 =15 -8 = 19 -8 =14 -8 =16 -8 =19 -8 = 18 -8 =10 -8 =10 -8 =11 -8 = 15 -8 =17 -8 =19 -8 =12 -8 = 15 -8 =14 -8 =13 -8 =12 -8 = 12 -8 =17 -8 =16 -8 =11 -8 = 18 -8 =13 -8 =12 -8 =12 -8 = 18 -8 =10 -8 =17 -8 =14 -8 = 11 -8 =10 -8 =18 -8 =11 -8 = 18 -8 =13 -8 =18 -8 =18 -8 = 14 -8 =19 -8 =11 -8 =16 -8 = 14 -8 =12 -8 =17 -8 =11 -8 = 12 -8 =15 -8 =14 -8 =13 -8 = 16 -8 =17 -8 =14 -8 =10 -8 = 18 -8 =17 -8 =10 -8 =17 -8 = 18 -8 =18 -8 =14 -8 =16 -8 = 14 -8 =15 -8 =13 -8 =19 -8 =一年级十几减8的退位减法计算题班级 姓名13 -8 =17 -8 =17 -8 =11 -8 =14 -8 =13 -8 =14 -8 =12 -8 = 12 -8 =12 -8 =14 -8 =13 -8 = 15 -8 =12 -8 =14 -8 =13 -8 = 15 -8 =16 -8 =17 -8 =10 -8 =13 -8 =19 -8 =16 -8 =16 -8 =14 -8 =19 -8 =13 -8 =19 -8 = 13 -8 =10 -8 =17 -8 =15 -8 = 13 -8 =16 -8 =18 -8 =18 -8 = 11 -8 =17 -8 =19 -8 =12 -8 = 13 -8 =11 -8 =18 -8 =19 -8 = 12 -8 =12 -8 =19 -8 =13 -8 = 16 -8 =10 -8 =12 -8 =14 -8 = 19 -8 =13 -8 =15 -8 =11 -8 = 11 -8 =15 -8 =19 -8 =13 -8 = 13 -8 =19 -8 =16 -8 =12 -8 = 15 -8 =18 -8 =14 -8 =14 -8 = 14 -8 =14 -8 =10 -8 =12 -8 = 19 -8 =19 -8 =14 -8 =19 -8 = 13 -8 =15 -8 =13 -8 =16 -8 = 15 -8 =11 -8 =18 -8 =14 -8 = 19 -8 =17 -8 =15 -8 =17 -8 = 19 -8 =15 -8 =13 -8 =11 -8 =13 -8 =11 -8 =11 -8 =13 -8 =14 -8 =10 -8 =12 -8 =17 -8 = 13 -8 =12 -8 =14 -8 =17 -8 =一年级十几减8的退位减法计算题班级 姓名18 -8 =12 -8 =13 -8 =15 -8 = 16 -8 =10 -8 =11 -8 =16 -8 = 13 -8 =17 -8 =14 -8 =11 -8 =15 -8 =13 -8 =16 -8 =18 -8 =16 -8 =14 -8 =19 -8 =18 -8 =16 -8 =11 -8 =13 -8 =16 -8 =17 -8 =13 -8 =16 -8 =19 -8 = 12 -8 =12 -8 =18 -8 =14 -8 = 10 -8 =16 -8 =18 -8 =15 -8 = 12 -8 =11 -8 =15 -8 =10 -8 = 15 -8 =12 -8 =17 -8 =15 -8 = 13 -8 =11 -8 =14 -8 =12 -8 = 15 -8 =18 -8 =10 -8 =19 -8 = 10 -8 =17 -8 =13 -8 =12 -8 = 19 -8 =12 -8 =16 -8 =18 -8 = 14 -8 =17 -8 =16 -8 =12 -8 = 19 -8 =16 -8 =17 -8 =16 -8 = 16 -8 =10 -8 =15 -8 =17 -8 =15 -8 =10 -8 =14 -8 =11 -8 =16 -8 =14 -8 =13 -8 =19 -8 = 18 -8 =13 -8 =11 -8 =10 -8 = 11 -8 =14 -8 =14 -8 =12 -8 = 19 -8 =15 -8 =11 -8 =19 -8 = 15 -8 =18 -8 =16 -8 =17 -8 = 17 -8 =12 -8 =16 -8 =10 -8 = 15 -8 =13 -8 =13 -8 =12 -8 =一年级十几减8的退位减法计算题班级 姓名11 -8 =14 -8 =10 -8 =18 -8 = 14 -8 =12 -8 =13 -8 =17 -8 = 17 -8 =12 -8 =17 -8 =13 -8 = 12 -8 =12 -8 =18 -8 =15 -8 = 14 -8 =17 -8 =14 -8 =14 -8 = 10 -8 =15 -8 =11 -8 =12 -8 = 19 -8 =18 -8 =16 -8 =16 -8 = 18 -8 =10 -8 =18 -8 =18 -8 = 17 -8 =10 -8 =15 -8 =12 -8 = 14 -8 =19 -8 =12 -8 =14 -8 = 12 -8 =10 -8 =14 -8 =19 -8 = 10 -8 =14 -8 =11 -8 =19 -8 = 13 -8 =11 -8 =12 -8 =12 -8 = 16 -8 =19 -8 =18 -8 =13 -8 = 13 -8 =17 -8 =19 -8 =17 -8 = 10 -8 =18 -8 =14 -8 =17 -8 = 17 -8 =19 -8 =11 -8 =17 -8 = 12 -8 =11 -8 =17 -8 =10 -8 = 11 -8 =12 -8 =18 -8 =18 -8 = 11 -8 =10 -8 =18 -8 =13 -8 = 17 -8 =14 -8 =12 -8 =13 -8 = 10 -8 =12 -8 =15 -8 =13 -8 = 12 -8 =17 -8 =14 -8 =11 -8 = 12 -8 =16 -8 =19 -8 =15 -8 =11 -8 =17 -8 =16 -8 =10 -8 =12 -8 =12 -8 =16 -8 =14 -8 =一年级十几减8的退位减法计算题班级 姓名19 -8 =19 -8 =17 -8 =12 -8 = 13 -8 =16 -8 =13 -8 =14 -8 = 15 -8 =16 -8 =17 -8 =14 -8 = 10 -8 =16 -8 =18 -8 =14 -8 = 16 -8 =15 -8 =13 -8 =19 -8 =18 -8 =14 -8 =11 -8 =15 -8 =19 -8 =14 -8 =19 -8 =12 -8 = 19 -8 =12 -8 =11 -8 =15 -8 = 10 -8 =11 -8 =12 -8 =18 -8 = 13 -8 =11 -8 =10 -8 =11 -8 = 19 -8 =18 -8 =13 -8 =18 -8 = 10 -8 =15 -8 =13 -8 =16 -8 =17 -8 =17 -8 =14 -8 =13 -8 =18 -8 =18 -8 =17 -8 =14 -8 = 15 -8 =12 -8 =18 -8 =18 -8 = 19 -8 =16 -8 =19 -8 =10 -8 = 10 -8 =17 -8 =13 -8 =19 -8 = 14 -8 =10 -8 =14 -8 =16 -8 = 14 -8 =18 -8 =17 -8 =16 -8 = 10 -8 =17 -8 =17 -8 =13 -8 = 17 -8 =12 -8 =16 -8 =10 -8 = 19 -8 =12 -8 =12 -8 =16 -8 = 13 -8 =15 -8 =13 -8 =11 -8 = 10 -8 =17 -8 =11 -8 =16 -8 = 18 -8 =11 -8 =10 -8 =14 -8 = 13 -8 =15 -8 =19 -8 =16 -8 =一年级十几减8的退位减法计算题班级 姓名18 -8 =10 -8 =18 -8 =17 -8 =15 -8 =11 -8 =16 -8 =13 -8 =16 -8 =17 -8 =12 -8 =10 -8 =17 -8 =12 -8 =18 -8 =13 -8 = 10 -8 =11 -8 =16 -8 =10 -8 = 16 -8 =16 -8 =14 -8 =10 -8 = 18 -8 =19 -8 =15 -8 =12 -8 = 13 -8 =14 -8 =18 -8 =11 -8 = 12 -8 =14 -8 =10 -8 =18 -8 = 15 -8 =10 -8 =12 -8 =15 -8 = 10 -8 =11 -8 =14 -8 =17 -8 = 14 -8 =17 -8 =11 -8 =14 -8 = 18 -8 =17 -8 =13 -8 =11 -8 = 18 -8 =11 -8 =18 -8 =15 -8 = 12 -8 =14 -8 =12 -8 =13 -8 = 19 -8 =12 -8 =10 -8 =10 -8 = 12 -8 =16 -8 =17 -8 =14 -8 = 15 -8 =15 -8 =18 -8 =17 -8 = 13 -8 =10 -8 =13 -8 =12 -8 = 11 -8 =17 -8 =18 -8 =15 -8 = 18 -8 =13 -8 =18 -8 =18 -8 = 11 -8 =14 -8 =13 -8 =11 -8 = 16 -8 =11 -8 =17 -8 =15 -8 =12 -8 =12 -8 =16 -8 =18 -8 =13 -8 =18 -8 =19 -8 =17 -8 = 11 -8 =16 -8 =14 -8 =19 -8 =一年级十几减8的退位减法计算题班级 姓名19 -8 =11 -8 =10 -8 =17 -8 = 18 -8 =14 -8 =17 -8 =12 -8 = 10 -8 =13 -8 =15 -8 =12 -8 = 17 -8 =15 -8 =17 -8 =17 -8 = 17 -8 =10 -8 =15 -8 =13 -8 = 15 -8 =15 -8 =12 -8 =17 -8 = 17 -8 =15 -8 =16 -8 =15 -8 = 10 -8 =11 -8 =13 -8 =16 -8 = 16 -8 =12 -8 =17 -8 =16 -8 = 12 -8 =10 -8 =17 -8 =13 -8 = 16 -8 =16 -8 =11 -8 =12 -8 = 15 -8 =18 -8 =11 -8 =19 -8 = 12 -8 =18 -8 =10 -8 =16 -8 = 12 -8 =12 -8 =11 -8 =15 -8 = 10 -8 =13 -8 =17 -8 =16 -8 = 18 -8 =11 -8 =15 -8 =17 -8 = 13 -8 =11 -8 =14 -8 =10 -8 = 16 -8 =10 -8 =10 -8 =18 -8 = 19 -8 =19 -8 =17 -8 =11 -8 = 17 -8 =18 -8 =17 -8 =13 -8 = 17 -8 =10 -8 =16 -8 =11 -8 = 11 -8 =19 -8 =19 -8 =19 -8 = 17 -8 =12 -8 =18 -8 =19 -8 = 15 -8 =16 -8 =13 -8 =11 -8 = 11 -8 =17 -8 =17 -8 =14 -8 = 18 -8 =15 -8 =17 -8 =19 -8 =一年级十几减8的退位减法计算题班级 姓名16 -8 =15 -8 =13 -8 =19 -8 =17 -8 =12 -8 =18 -8 =17 -8 =18 -8 =10 -8 =13 -8 =19 -8 = 12 -8 =14 -8 =19 -8 =16 -8 = 14 -8 =11 -8 =17 -8 =15 -8 = 19 -8 =11 -8 =14 -8 =16 -8 = 13 -8 =13 -8 =17 -8 =10 -8 = 18 -8 =17 -8 =19 -8 =13 -8 = 15 -8 =15 -8 =19 -8 =15 -8 = 13 -8 =18 -8 =11 -8 =12 -8 = 18 -8 =13 -8 =18 -8 =12 -8 =13 -8 =12 -8 =16 -8 =16 -8 =14 -8 =10 -8 =14 -8 =14 -8 = 19 -8 =14 -8 =18 -8 =13 -8 = 11 -8 =17 -8 =19 -8 =13 -8 = 13 -8 =12 -8 =13 -8 =18 -8 = 15 -8 =13 -8 =13 -8 =19 -8 = 14 -8 =11 -8 =18 -8 =17 -8 = 18 -8 =11 -8 =15 -8 =18 -8 = 17 -8 =11 -8 =16 -8 =18 -8 = 12 -8 =17 -8 =19 -8 =10 -8 = 18 -8 =12 -8 =12 -8 =11 -8 =17 -8 =15 -8 =12 -8 =11 -8 =18 -8 =14 -8 =10 -8 =16 -8 = 10 -8 =10 -8 =10 -8 =11 -8 = 15 -8 =13 -8 =15 -8 =12 -8 =一年级十几减8的退位减法计算题班级 姓名16 -8 =10 -8 =11 -8 =19 -8 = 16 -8 =17 -8 =19 -8 =15 -8 = 13 -8 =17 -8 =17 -8 =10 -8 = 12 -8 =17 -8 =15 -8 =16 -8 = 11 -8 =17 -8 =16 -8 =17 -8 = 15 -8 =11 -8 =18 -8 =16 -8 = 17 -8 =11 -8 =17 -8 =16 -8 = 10 -8 =13 -8 =11 -8 =15 -8 = 14 -8 =19 -8 =16 -8 =19 -8 = 12 -8 =13 -8 =10 -8 =17 -8 = 11 -8 =18 -8 =14 -8 =15 -8 = 14 -8 =11 -8 =16 -8 =18 -8 = 13 -8 =15 -8 =14 -8 =15 -8 = 11 -8 =15 -8 =14 -8 =14 -8 = 13 -8 =13 -8 =15 -8 =19 -8 = 15 -8 =16 -8 =13 -8 =15 -8 =14 -8 =15 -8 =11 -8 =10 -8 =15 -8 =12 -8 =11 -8 =11 -8 = 12 -8 =16 -8 =17 -8 =13 -8 = 16 -8 =13 -8 =16 -8 =10 -8 = 13 -8 =19 -8 =15 -8 =14 -8 = 18 -8 =19 -8 =11 -8 =14 -8 = 13 -8 =17 -8 =15 -8 =18 -8 = 19 -8 =11 -8 =16 -8 =14 -8 = 16 -8 =17 -8 =11 -8 =16 -8 = 15 -8 =14 -8 =19 -8 =11 -8 =一年级十几减8的退位减法计算题班级 姓名13 -8 =17 -8 =19 -8 =12 -8 = 13 -8 =16 -8 =14 -8 =14 -8 = 19 -8 =18 -8 =17 -8 =10 -8 = 16 -8 =18 -8 =10 -8 =12 -8 = 13 -8 =11 -8 =14 -8 =13 -8 = 13 -8 =18 -8 =17 -8 =17 -8 = 15 -8 =16 -8 =10 -8 =11 -8 = 14 -8 =15 -8 =13 -8 =15 -8 = 17 -8 =12 -8 =18 -8 =13 -8 = 13 -8 =14 -8 =11 -8 =14 -8 = 10 -8 =14 -8 =13 -8 =12 -8 =18 -8 =10 -8 =19 -8 =16 -8 =19 -8 =19 -8 =19 -8 =13 -8 = 18 -8 =12 -8 =14 -8 =12 -8 = 17 -8 =17 -8 =14 -8 =18 -8 = 10 -8 =10 -8 =13 -8 =17 -8 = 19 -8 =15 -8 =15 -8 =12 -8 = 17 -8 =13 -8 =18 -8 =19 -8 = 10 -8 =17 -8 =10 -8 =12 -8 = 14 -8 =16 -8 =17 -8 =14 -8 = 17 -8 =11 -8 =13 -8 =12 -8 = 17 -8 =18 -8 =11 -8 =16 -8 = 14 -8 =16 -8 =14 -8 =18 -8 = 11 -8 =19 -8 =13 -8 =19 -8 = 13 -8 =18 -8 =11 -8 =16 -8 = 17 -8 =11 -8 =14 -8 =17 -8 =。
人教版一年级下册20以内退位减法-十几减8PPT复习过程
20以内的退位减法
12 = 10 +（ ）
12 = 8 +（ ）
15 = 10 +（ ）
15 = 8 +（ ）
17 = 10 +（ ）
17 = 8 +（ ）
11 － 9 =（ ）
14 － 9 =（ ）
16 － 9 =（ ）
3
4
5
6
7
8
9
开火车说出得数
小朋友们太棒了！
四、课堂总结
11 － 8 = 3 12 － 8 = 4 13 － 8 = 5 14 － 8 = 6 15 － 8 = 7 16 － 8 = 8 17 － 8 = 9
你们发现了什么？
见8想2：被减数的 个位加2
小朋友们太棒了！
1、课本第13页“做一做”第3题。 2、整理十几减8的所有算式
3
想加算减
3. 看谁算得快。
问题：算得快的同学，你有什么窍门吗？
x
今天你学会了什么？
计算十几减8时，一般可以采用想加算减，或是用破十法的方法
11 － 8 =（ ）
12 － 8 =（ ）
13 － 8 =（ ）
14 － 8 =（ ）
15 － 8 = （ ）
16 － 8 = （ ）
17 － 8 =（ ）
2
5
10
2
8
7
2、操作练习。
4
12 - 8 =
14-7=
7
12 - 8 =
4
14-7=
7
比比谁算的最快
(1)8 ƻ =17 17-8=
9
9
（3）8+ =14 14-8=
人教数学一下《十几减8》20以内的退位减法PPT精品课件
8+( ? ) = 12
8+4 = 12
12−8 = 4
12－8 ＝ 问题：都是去掉8个杯子，方法一样吗？
破十法
平十法
课堂小结
十几减8的计算方法有多种， 计算时选择最适合自己的方法。
课堂练习 1.圈一圈，算一算。
2.照样子在 里填一填。
2 9
6
7
5
8 8
4
3
4
7
5
97
9ቤተ መጻሕፍቲ ባይዱ
6
10 8
3. 8+4 = 12 8+2 = 10 8+5 = 13 17−8 = 9 15−8 = 7 14−8 = 6
4.移动 8，每次用方格里的数减去 8 。
10－8＝2
10 13 16 9 11 17 12 14 18 15 8
2 5 8 1 3 9 4 6 10 7
人教版数学一年级下册
2 20以内的退位减法
十几减8
情境导入
问题：从12个杯子里拿走8个，还剩几个？
你从中发现了哪些数学信息？
已知 求解
有 12 个杯子，拿走8个。
表示总数
表示部分
还剩几个？
讨论：该怎么计算呢？
摆圆片法
12−8 = 4
共有 12个圆片。
去掉8个， 还剩 4 个。
还可以用想加算减法计算。
《十几减8的退位减法》同步练习题1
一、口算
(1)8+3= (2)9+3= (3)8+5= (4)9+5= (5)8+6=
(6)9+6= (7)8+4= (8)8+7= (9)8+8= (10)9+7=
二、填空
(1)8+( )=14 (2)8+( )=15 (3)8+( )=16 (4)( )+3=11
(5)( )+8=12 (6)( )+8=13 (7)9+( )=12 (8)( )+4=13
(9)( )+8=18 (10)( )+9=17
三、选算加法，再算减法
(1)8+7= (2)6+8= (3)8+5= (4)8+3= (5)4+8= (6)9+4=
15-8= 14-6= 13-8= 11-3= 12-4= 13-9=
15-7= 14-8= 13-5= 11-8= 12-8= 13-4=
四、填空
(1)8+( )=14 (2)( )+8=18 (3)8+( )=16 (4)9+( )=11
14-(Байду номын сангаас)=8 18-( )=8 16-( )=8 11-( )=9
(5)( )+8=11 (6)( )+8=12
11-( )=8 12-8=( )
三、(1)15、7、8 (2)14、8、6 (3)13、5、8 (4)11、8、3 (5)12、8、4 (6)13、4、9
四、(1)6、6 (2)10、10 (3)8、8 (4)2、2 (5)3、3 (6)4、4
人教版一年级下册数学第二单元 20以内的退位减法 测试卷附答案【考试直接用】
人教版一年级下册数学第二单元 20以内的退位减法测试卷一.选择题(共6题，共12分)1.十几减8的减法，得数就是被减数的个位数加上（）A.2B.3C.42.草地上有16只小鸡，跑了9只，还有（）只。
A.6B.7C.83.两个小组一共有15人，第一小组有7人，第二小组有多少人？列式计算正确的是（）。
A.15－7=8(人)B.15－8=7(人)C.15－8=6(人)D.7＋8=15(人)4.16个同学去打扫卫生，其中7个同学去擦玻璃，还有（）个同学在扫地。
A.7B.8C.95.得数最大的算式是（）。
A.14-9B.13-9C.12-96.明明有14颗糖，佳佳有7颗糖，__________？如果列式为14-7=7（颗），那么横线上的问题可能是( )。
A.两人共有多少颗糖B.还剩多少颗糖C.佳佳比明明少多少颗糖二.判断题(共6题，共12分)1.画一画，第一行画12个，第二行画，使比多4个.下面的画法是正确的。
（）2.比11少4的数是8。
（）3.小刚家有16只鸡，已知母鸡有7只，那么公鸡有9只。
（）4.妈妈和小明一共花了14元，其中小明花了4元，那妈妈花了10元。
（）5.被减数是18，减数是9，差是9。
（）6.被减数是13，减数是8，差是5。
（）三.填空题(共6题，共27分)1.想一想，□、○、△各表示什么数。
□+○=16○-△=3△+4=10□=_____○=_____△=_____2.比大小，填“>”“<”或“="。
14-5_____8 13-6_____6 17-6_____912-7_____6 15-8_____7 12-8_____63.12-9=_____，想：9加_____得12，所以12减9得_____。
也可以这么想：_____减9得1，1加_____得3，所以12减9得_____。
4.填方框。
□+7=16 15-□=5 8+□=14□-10=4 10+□=15 10-□=75.在括号内填上最大的数。
2021年人教版一年级下册重难点题型同步训练：十几减8、7、6(解析版)
2021年人教版一年级下册重难点题型同步训练第二章《20以内的退位减法》第二课：十几减8、7、6一、单选题1.（2020一上·嘉陵期末）7+□<16，□里最大填（）。
A. 8B. 9C. 10【答案】 A【解析】【解答】解：16-7=9，9-1=8，所以□里最大填8。
故答案为：A。
【分析】先把小于号右边的数减去左边的已知数，然后用得出的数减去1即可。
2.（2020一下·龙岗期末）淘气有14张卡片，送给了笑笑8张，淘气还剩（）张卡片。
A. 5B. 6C. 7【答案】 B【解析】【解答】14-8=6（张）故答案为：B。
【分析】根据题意可知，用淘气的卡片张数-送给笑笑的卡片张数=淘气还剩的卡片张数，据此列式解答。
3.（2020一下·龙华期中）11人用餐，准备了7张椅子，每人坐一张椅子，还差（）张椅子。
A. 4B. 3C. 2【答案】 A【解析】【解答】11-7=4（张）.故答案为：A.【分析】根据题意可知，每人坐一张椅子，11个人，已经准备了7张椅子，要求还差几张椅子，用减法计算，据此列式解答.4.（2020一下·鹿邑月考）( )比13少7。
A. 5B. 6C. 7【答案】 B【解析】【解答】13-7=6故答案为：B【分析】比一个数少几，运用减法计算。
5.（）-6=7，（）里应该填（）。
A. 14B. 13C. 12【答案】 B【解析】【解答】解：13-6=7。
故答案为：B。
【分析】被减数=减数+差。
6.（2020二下·云南期中）14个同学去划船，租了两条船，一条船上坐了8人，另一条船上坐了（）人。
A. 14÷2B. 14-2C. 14-8【答案】 C【解析】【解答】14个同学去划船，租了两条船，一条船上坐了8人，另一条船上坐了：14-8=6（人）.故答案为：C.【分析】根据题意可知，已知两条船上坐的总人数，用总人数-一条船上坐的人数=另一条船上坐的人数，据此列式解答.二、连线题7.送小鸟回家。
小学数学一年级下册20以内的退位减法专项练习题(共七类)
班级考号姓名总分（十几减9）一、直接写出得数。
10+7= 9+6= 5+9= 8+4= 9+4= 2+9= 7+6= 9+8= 16-4= 10-9= 10-4= 10-3= 二、算一算。
9+2= 9+5= 9+8= 9+7= 11-9= 14-9= 17-9= 16-9= 三、用你喜欢的方法计算。
12-9= 18-9= 14-9= 11-9= 16-9= 15-9= 13-9= 17-9= 8+8= 3+9= 7+7= 9+6= 6+8= 5+6= 6+7= 8+5= 四、在○里填上>、<或=。
14-9○4 9+7○17 12-9○517○9+8 15-9○6 9○17-9 五、解决问题。
共有18本书，发给同学9本，还剩下几本？班级考号姓名总分（十几减9）一、直接写出得数。
9+6= 13+5= 6+7= 8+9=10+7= 16-4= 9+2= 17-3=8-4= 19-7= 18-10= 4+5=二、算一算。
6+9= 9+8= 3+9= 9+9=12-9= 17-9= 14-9= 16-9=三、填数。
9+（）=14 （）+9=169+（）=18 14-9=（）15-9=（） 18-9=（）四、填一填。
1、16的个位是（），表示（）个（）；“1”在（）位上，表示（）个（）。
2、长成一个大正方体至少需要（）个。
3、15里面有（）个十和（）个一；20里面有（）个十。
五、解决问题。
今天我要做14道题，已经做好9道，还要做几道？班级考号姓名总分（十几减8）一、直接写出得数。
10+8= 8+6= 5+8= 8+4= 8+4= 2+8= 7+6= 8+8= 16-4= 10-8= 10-4= 10-3=二、算一算。
8+2= 8+5= 8+8= 8+7=11-8= 14-8= 17-8= 16-8= 三、用你喜欢的方法计算。
12-9= 18-8= 14-8= 11-8=16-8= 15-8= 13-8= 12-8=9+8= 3+8= 7+8= 8+6=6+9= 5+6= 6+7= 8+5=四、在○里填上“>”、“<”或“=”。