十几减8的退位减法同步练习题及答案
人教版一下数学十几减8习题(有答案)-数学一年级下第二章20以内的退位减法第2节人教版公开课课件教案
第二章 20以内的退位减法第2节 十几减8附参考答案一、正确计算8+5= 11-8= 12-8= 16-8=13-8= 7+8= 15-8= 3+8=4+8= 8+6= 14-8= 17-8=二、在○里填上“＞”、“＜”或“=”15○8+8 3○11－8 4○15－8 10○8+5 15-8○13 17-8○17-9 18-8○10 5+4○15-8 13○3+8 18○11+8 17-8○6+5 3+8○19-8三、填一填1. 15-9=（ ） 想：9加（ ）等于15，15减9等于（ ）。
2. 12-8=（ ） 想：8加（ ）等于12，12减8等于（ ）。
3. 8+（ ）=13 8+（ ）=14 8+（ ）=15 9+（ ）=17四、照样子写一写，算一算五、给小动物的卡片上的算式按从小到大的顺序排排队。
六、看图完成下列各题—= =七、1.一本书有18页，方方看了9页，还有几页没看？2.小华做了15朵花，送给幼儿园8朵，她还有几朵？八、应用题1.湖边有15只天鹅，飞走了8只，还有几只？2.鱼缸里有黄色的和黑色的金鱼一共14条，其中黄色的有8条，黑色的有多少条？3.小红有17根小棒，分给小朋友8根，还剩多少根？【参考答案】一、13 3 4 85 15 7 1112 14 6 9二、< = < << > = >> < < =三、1.6 6 62.4 4 43.5 6 7 8四、1. 12 4 82.14 14-8=6 14-6=83.17 17-8=9 17-9=8五、12-9 12-8 14-8 15-8 18-9六、15-8=7 14-8=6七、1.18-9=92.15-8=7八、1.15-8=7（只）答：还有7只。
2.14-8=6（条）答：黑色的有6条。
3.17-8=9（根）答：还剩9根。
活动目的：教育学生懂得“水”这一宝贵资源对于我们来说是极为珍贵的，每个人都要保护它，做到节约每一滴水，造福子孙万代。
20页十几减8的退位减法
十几减8的退位减法班级 姓名14 -8 =17 -8 =14 -8 =18 -8 = 17 -8 =13 -8 =11 -8 =14 -8 = 19 -8 =19 -8 =19 -8 =15 -8 = 10 -8 =11 -8 =12 -8 =16 -8 = 12 -8 =16 -8 =18 -8 =11 -8 = 12 -8 =17 -8 =13 -8 =17 -8 = 17 -8 =10 -8 =18 -8 =10 -8 =16 -8 =10 -8 =16 -8 =13 -8 =17 -8 =13 -8 =17 -8 =11 -8 = 12 -8 =15 -8 =19 -8 =10 -8 = 18 -8 =13 -8 =17 -8 =17 -8 = 12 -8 =18 -8 =19 -8 =17 -8 = 12 -8 =16 -8 =16 -8 =16 -8 = 18 -8 =13 -8 =18 -8 =12 -8 = 14 -8 =17 -8 =12 -8 =11 -8 = 14 -8 =12 -8 =18 -8 =18 -8 = 11 -8 =11 -8 =19 -8 =16 -8 = 15 -8 =11 -8 =13 -8 =19 -8 = 10 -8 =10 -8 =15 -8 =11 -8 = 16 -8 =15 -8 =10 -8 =17 -8 = 14 -8 =10 -8 =14 -8 =11 -8 = 13 -8 =12 -8 =12 -8 =14 -8 = 18 -8 =13 -8 =12 -8 =19 -8 =11 -8 =15 -8 =17 -8 =10 -8 =12 -8 =12 -8 =14 -8 =13 -8 =十几减8的退位减法班级 姓名10 -8 =15 -8 =19 -8 =19 -8 = 18 -8 =19 -8 =14 -8 =19 -8 =11 -8 =16 -8 =12 -8 =11 -8 =12 -8 =13 -8 =13 -8 =19 -8 = 18 -8 =11 -8 =10 -8 =16 -8 = 11 -8 =12 -8 =15 -8 =17 -8 = 19 -8 =18 -8 =14 -8 =11 -8 = 18 -8 =14 -8 =17 -8 =11 -8 = 12 -8 =12 -8 =19 -8 =12 -8 =11 -8 =10 -8 =18 -8 =12 -8 =12 -8 =10 -8 =19 -8 =19 -8 =13 -8 =18 -8 =13 -8 =18 -8 = 12 -8 =14 -8 =19 -8 =11 -8 = 18 -8 =19 -8 =16 -8 =18 -8 = 12 -8 =14 -8 =11 -8 =18 -8 = 15 -8 =13 -8 =12 -8 =13 -8 = 14 -8 =15 -8 =17 -8 =19 -8 = 17 -8 =15 -8 =17 -8 =11 -8 = 11 -8 =19 -8 =16 -8 =14 -8 = 16 -8 =15 -8 =13 -8 =11 -8 =13 -8 =11 -8 =11 -8 =17 -8 =14 -8 =17 -8 =19 -8 =14 -8 = 19 -8 =18 -8 =14 -8 =19 -8 = 11 -8 =19 -8 =11 -8 =14 -8 = 14 -8 =10 -8 =10 -8 =13 -8 = 18 -8 =11 -8 =12 -8 =11 -8 =十几减8的退位减法班级 姓名12 -8 =10 -8 =11 -8 =16 -8 = 11 -8 =12 -8 =18 -8 =15 -8 =13 -8 =11 -8 =16 -8 =14 -8 =14 -8 =12 -8 =15 -8 =14 -8 = 16 -8 =18 -8 =10 -8 =14 -8 = 11 -8 =14 -8 =12 -8 =13 -8 = 13 -8 =16 -8 =12 -8 =13 -8 = 10 -8 =19 -8 =17 -8 =11 -8 = 18 -8 =13 -8 =18 -8 =15 -8 = 13 -8 =19 -8 =14 -8 =12 -8 =12 -8 =12 -8 =10 -8 =17 -8 =13 -8 =12 -8 =19 -8 =13 -8 = 10 -8 =14 -8 =16 -8 =19 -8 = 13 -8 =19 -8 =13 -8 =12 -8 = 16 -8 =11 -8 =16 -8 =16 -8 = 11 -8 =15 -8 =12 -8 =13 -8 = 13 -8 =11 -8 =19 -8 =10 -8 = 19 -8 =13 -8 =12 -8 =16 -8 = 19 -8 =17 -8 =12 -8 =14 -8 = 15 -8 =17 -8 =16 -8 =18 -8 = 19 -8 =12 -8 =18 -8 =13 -8 = 14 -8 =17 -8 =16 -8 =19 -8 = 10 -8 =19 -8 =18 -8 =10 -8 = 14 -8 =13 -8 =18 -8 =11 -8 = 13 -8 =11 -8 =14 -8 =15 -8 = 19 -8 =18 -8 =12 -8 =19 -8 =十几减8的退位减法班级 姓名17 -8 =15 -8 =19 -8 =18 -8 = 14 -8 =13 -8 =10 -8 =10 -8 = 11 -8 =12 -8 =10 -8 =12 -8 = 17 -8 =12 -8 =18 -8 =10 -8 = 12 -8 =10 -8 =18 -8 =10 -8 =10 -8 =13 -8 =19 -8 =18 -8 =11 -8 =13 -8 =12 -8 =12 -8 = 13 -8 =15 -8 =11 -8 =19 -8 = 17 -8 =18 -8 =14 -8 =10 -8 = 11 -8 =11 -8 =12 -8 =11 -8 = 11 -8 =19 -8 =12 -8 =18 -8 = 14 -8 =17 -8 =15 -8 =17 -8 = 12 -8 =10 -8 =14 -8 =17 -8 = 15 -8 =11 -8 =16 -8 =15 -8 =15 -8 =11 -8 =15 -8 =15 -8 =16 -8 =13 -8 =19 -8 =15 -8 = 10 -8 =19 -8 =14 -8 =13 -8 = 12 -8 =11 -8 =15 -8 =13 -8 = 19 -8 =17 -8 =12 -8 =12 -8 = 19 -8 =12 -8 =14 -8 =10 -8 = 16 -8 =16 -8 =14 -8 =11 -8 = 12 -8 =16 -8 =15 -8 =10 -8 =18 -8 =18 -8 =16 -8 =15 -8 =19 -8 =13 -8 =14 -8 =18 -8 =18 -8 =15 -8 =13 -8 =10 -8 =19 -8 =15 -8 =15 -8 =16 -8 =十几减8的退位减法班级 姓名17 -8 =12 -8 =19 -8 =19 -8 = 19 -8 =17 -8 =16 -8 =18 -8 = 12 -8 =10 -8 =15 -8 =11 -8 = 10 -8 =17 -8 =16 -8 =16 -8 = 10 -8 =14 -8 =13 -8 =12 -8 = 13 -8 =11 -8 =18 -8 =16 -8 = 12 -8 =11 -8 =13 -8 =18 -8 =12 -8 =19 -8 =10 -8 =15 -8 =13 -8 =19 -8 =11 -8 =16 -8 = 19 -8 =11 -8 =17 -8 =17 -8 =12 -8 =19 -8 =19 -8 =16 -8 =13 -8 =15 -8 =16 -8 =15 -8 = 18 -8 =10 -8 =16 -8 =10 -8 = 15 -8 =15 -8 =12 -8 =13 -8 = 19 -8 =17 -8 =18 -8 =16 -8 = 14 -8 =19 -8 =14 -8 =10 -8 = 17 -8 =10 -8 =16 -8 =17 -8 = 17 -8 =19 -8 =16 -8 =17 -8 = 15 -8 =13 -8 =17 -8 =15 -8 = 18 -8 =17 -8 =11 -8 =10 -8 = 10 -8 =19 -8 =12 -8 =19 -8 = 10 -8 =15 -8 =18 -8 =10 -8 = 16 -8 =10 -8 =19 -8 =10 -8 = 16 -8 =16 -8 =12 -8 =11 -8 = 18 -8 =17 -8 =13 -8 =11 -8 = 18 -8 =18 -8 =13 -8 =15 -8 =十几减8的退位减法班级 姓名13 -8 =16 -8 =17 -8 =16 -8 = 15 -8 =14 -8 =11 -8 =19 -8 = 19 -8 =14 -8 =11 -8 =14 -8 = 11 -8 =19 -8 =15 -8 =10 -8 = 17 -8 =18 -8 =13 -8 =18 -8 = 10 -8 =13 -8 =10 -8 =10 -8 = 18 -8 =13 -8 =17 -8 =18 -8 = 11 -8 =17 -8 =10 -8 =13 -8 = 10 -8 =12 -8 =11 -8 =11 -8 = 10 -8 =12 -8 =11 -8 =14 -8 = 18 -8 =11 -8 =11 -8 =13 -8 = 14 -8 =17 -8 =18 -8 =10 -8 = 18 -8 =10 -8 =12 -8 =13 -8 = 16 -8 =12 -8 =12 -8 =15 -8 = 13 -8 =10 -8 =18 -8 =11 -8 = 19 -8 =17 -8 =15 -8 =12 -8 = 18 -8 =15 -8 =13 -8 =11 -8 = 11 -8 =14 -8 =13 -8 =11 -8 = 15 -8 =15 -8 =18 -8 =17 -8 = 19 -8 =17 -8 =12 -8 =12 -8 = 19 -8 =15 -8 =10 -8 =14 -8 = 13 -8 =13 -8 =16 -8 =18 -8 = 16 -8 =13 -8 =10 -8 =11 -8 = 10 -8 =11 -8 =14 -8 =19 -8 = 10 -8 =16 -8 =19 -8 =10 -8 = 13 -8 =12 -8 =19 -8 =19 -8 =十几减8的退位减法班级 姓名12 -8 =14 -8 =11 -8 =16 -8 = 16 -8 =10 -8 =19 -8 =16 -8 = 18 -8 =12 -8 =16 -8 =18 -8 = 10 -8 =17 -8 =14 -8 =13 -8 = 17 -8 =12 -8 =16 -8 =17 -8 = 14 -8 =13 -8 =13 -8 =15 -8 = 19 -8 =17 -8 =16 -8 =11 -8 = 15 -8 =12 -8 =12 -8 =17 -8 = 19 -8 =17 -8 =14 -8 =14 -8 =18 -8 =18 -8 =18 -8 =19 -8 =19 -8 =15 -8 =10 -8 =19 -8 = 12 -8 =19 -8 =16 -8 =12 -8 = 11 -8 =19 -8 =10 -8 =10 -8 = 13 -8 =19 -8 =16 -8 =19 -8 = 12 -8 =17 -8 =13 -8 =16 -8 = 15 -8 =14 -8 =18 -8 =16 -8 = 13 -8 =14 -8 =14 -8 =15 -8 = 10 -8 =15 -8 =17 -8 =17 -8 = 16 -8 =11 -8 =17 -8 =18 -8 = 16 -8 =12 -8 =13 -8 =14 -8 =15 -8 =10 -8 =10 -8 =17 -8 =16 -8 =19 -8 =15 -8 =10 -8 =17 -8 =17 -8 =15 -8 =13 -8 = 15 -8 =17 -8 =12 -8 =16 -8 = 17 -8 =17 -8 =12 -8 =16 -8 = 10 -8 =13 -8 =11 -8 =17 -8 =十几减8的退位减法班级 姓名12 -8 =14 -8 =11 -8 =18 -8 = 14 -8 =14 -8 =12 -8 =19 -8 = 17 -8 =17 -8 =12 -8 =18 -8 = 10 -8 =14 -8 =12 -8 =16 -8 = 17 -8 =19 -8 =17 -8 =15 -8 = 13 -8 =19 -8 =13 -8 =11 -8 = 17 -8 =18 -8 =16 -8 =13 -8 = 11 -8 =12 -8 =13 -8 =10 -8 = 13 -8 =11 -8 =18 -8 =10 -8 = 13 -8 =12 -8 =18 -8 =13 -8 = 12 -8 =19 -8 =10 -8 =19 -8 = 11 -8 =15 -8 =14 -8 =16 -8 = 13 -8 =19 -8 =16 -8 =15 -8 = 17 -8 =15 -8 =15 -8 =19 -8 = 15 -8 =16 -8 =11 -8 =14 -8 = 14 -8 =12 -8 =13 -8 =11 -8 = 16 -8 =19 -8 =18 -8 =15 -8 = 11 -8 =13 -8 =17 -8 =15 -8 = 14 -8 =16 -8 =12 -8 =10 -8 = 17 -8 =18 -8 =12 -8 =18 -8 = 19 -8 =17 -8 =10 -8 =15 -8 = 11 -8 =14 -8 =11 -8 =18 -8 = 17 -8 =17 -8 =16 -8 =12 -8 = 19 -8 =14 -8 =15 -8 =10 -8 =16 -8 =11 -8 =17 -8 =15 -8 =17 -8 =14 -8 =16 -8 =12 -8 =十几减8的退位减法班级 姓名19 -8 =10 -8 =17 -8 =17 -8 = 18 -8 =17 -8 =14 -8 =19 -8 = 10 -8 =11 -8 =19 -8 =12 -8 = 16 -8 =11 -8 =10 -8 =10 -8 = 10 -8 =16 -8 =16 -8 =15 -8 = 16 -8 =16 -8 =12 -8 =10 -8 = 15 -8 =13 -8 =16 -8 =18 -8 = 19 -8 =16 -8 =10 -8 =13 -8 = 19 -8 =16 -8 =19 -8 =14 -8 = 10 -8 =10 -8 =14 -8 =18 -8 = 19 -8 =17 -8 =17 -8 =15 -8 = 17 -8 =13 -8 =17 -8 =10 -8 = 17 -8 =12 -8 =19 -8 =12 -8 =10 -8 =11 -8 =15 -8 =11 -8 =11 -8 =11 -8 =14 -8 =14 -8 = 19 -8 =17 -8 =16 -8 =17 -8 = 18 -8 =19 -8 =12 -8 =12 -8 = 10 -8 =10 -8 =17 -8 =14 -8 = 13 -8 =15 -8 =14 -8 =18 -8 = 18 -8 =12 -8 =17 -8 =16 -8 = 14 -8 =12 -8 =17 -8 =11 -8 = 19 -8 =12 -8 =11 -8 =10 -8 = 13 -8 =19 -8 =18 -8 =15 -8 =18 -8 =14 -8 =18 -8 =14 -8 =19 -8 =18 -8 =10 -8 =12 -8 = 19 -8 =19 -8 =13 -8 =13 -8 =十几减8的退位减法班级 姓名13 -8 =13 -8 =16 -8 =10 -8 = 12 -8 =11 -8 =17 -8 =16 -8 = 11 -8 =11 -8 =13 -8 =13 -8 =11 -8 =14 -8 =12 -8 =15 -8 =12 -8 =13 -8 =15 -8 =15 -8 = 18 -8 =13 -8 =15 -8 =19 -8 = 16 -8 =15 -8 =17 -8 =11 -8 = 13 -8 =18 -8 =13 -8 =10 -8 =12 -8 =11 -8 =12 -8 =10 -8 =13 -8 =17 -8 =12 -8 =15 -8 = 10 -8 =12 -8 =17 -8 =10 -8 =13 -8 =10 -8 =16 -8 =17 -8 =14 -8 =13 -8 =10 -8 =17 -8 = 12 -8 =16 -8 =15 -8 =15 -8 = 16 -8 =13 -8 =19 -8 =12 -8 = 16 -8 =14 -8 =15 -8 =19 -8 = 18 -8 =11 -8 =14 -8 =15 -8 = 17 -8 =15 -8 =18 -8 =19 -8 = 11 -8 =12 -8 =14 -8 =16 -8 = 15 -8 =19 -8 =11 -8 =17 -8 = 14 -8 =19 -8 =10 -8 =14 -8 = 11 -8 =18 -8 =12 -8 =12 -8 = 13 -8 =15 -8 =10 -8 =19 -8 = 11 -8 =18 -8 =16 -8 =19 -8 = 13 -8 =18 -8 =10 -8 =16 -8 = 13 -8 =18 -8 =14 -8 =12 -8 =十几减8的退位减法班级 姓名12 -8 =17 -8 =16 -8 =17 -8 = 10 -8 =13 -8 =19 -8 =19 -8 = 17 -8 =19 -8 =13 -8 =12 -8 = 16 -8 =14 -8 =17 -8 =19 -8 = 10 -8 =10 -8 =19 -8 =16 -8 = 17 -8 =18 -8 =10 -8 =19 -8 = 11 -8 =19 -8 =16 -8 =10 -8 = 11 -8 =19 -8 =11 -8 =15 -8 = 14 -8 =18 -8 =14 -8 =16 -8 = 11 -8 =17 -8 =19 -8 =16 -8 = 11 -8 =15 -8 =15 -8 =13 -8 = 11 -8 =10 -8 =11 -8 =16 -8 = 19 -8 =14 -8 =17 -8 =10 -8 = 12 -8 =14 -8 =19 -8 =18 -8 = 18 -8 =14 -8 =17 -8 =16 -8 = 11 -8 =14 -8 =17 -8 =19 -8 = 17 -8 =17 -8 =13 -8 =10 -8 = 17 -8 =15 -8 =18 -8 =15 -8 = 13 -8 =10 -8 =12 -8 =17 -8 = 16 -8 =16 -8 =14 -8 =11 -8 = 18 -8 =17 -8 =11 -8 =11 -8 = 17 -8 =15 -8 =12 -8 =17 -8 = 11 -8 =16 -8 =13 -8 =15 -8 = 19 -8 =10 -8 =15 -8 =14 -8 = 13 -8 =13 -8 =19 -8 =10 -8 = 12 -8 =19 -8 =18 -8 =14 -8 =十几减8的退位减法班级 姓名15 -8 =16 -8 =18 -8 =13 -8 = 15 -8 =18 -8 =14 -8 =18 -8 = 19 -8 =19 -8 =17 -8 =17 -8 = 17 -8 =12 -8 =17 -8 =19 -8 = 11 -8 =18 -8 =10 -8 =15 -8 = 10 -8 =19 -8 =10 -8 =10 -8 = 15 -8 =16 -8 =19 -8 =12 -8 = 10 -8 =15 -8 =14 -8 =17 -8 = 15 -8 =14 -8 =15 -8 =17 -8 = 11 -8 =15 -8 =10 -8 =15 -8 = 16 -8 =12 -8 =13 -8 =17 -8 =10 -8 =10 -8 =12 -8 =10 -8 =11 -8 =15 -8 =15 -8 =18 -8 = 15 -8 =13 -8 =15 -8 =13 -8 = 17 -8 =14 -8 =16 -8 =15 -8 = 19 -8 =12 -8 =11 -8 =12 -8 = 12 -8 =10 -8 =17 -8 =19 -8 = 16 -8 =12 -8 =15 -8 =15 -8 = 13 -8 =14 -8 =17 -8 =17 -8 = 12 -8 =16 -8 =17 -8 =15 -8 = 10 -8 =13 -8 =14 -8 =14 -8 = 19 -8 =12 -8 =18 -8 =13 -8 = 10 -8 =18 -8 =17 -8 =16 -8 = 10 -8 =15 -8 =16 -8 =14 -8 = 16 -8 =13 -8 =11 -8 =16 -8 = 13 -8 =13 -8 =15 -8 =10 -8 =十几减8的退位减法班级 姓名18 -8 =14 -8 =10 -8 =11 -8 = 13 -8 =19 -8 =10 -8 =15 -8 = 15 -8 =10 -8 =19 -8 =12 -8 = 18 -8 =15 -8 =14 -8 =18 -8 = 12 -8 =14 -8 =13 -8 =10 -8 = 11 -8 =13 -8 =14 -8 =13 -8 = 17 -8 =17 -8 =11 -8 =15 -8 = 12 -8 =11 -8 =18 -8 =17 -8 = 17 -8 =19 -8 =15 -8 =19 -8 = 15 -8 =15 -8 =16 -8 =13 -8 = 18 -8 =12 -8 =17 -8 =11 -8 = 16 -8 =17 -8 =12 -8 =11 -8 = 18 -8 =14 -8 =11 -8 =16 -8 = 11 -8 =18 -8 =13 -8 =19 -8 = 11 -8 =17 -8 =15 -8 =11 -8 = 17 -8 =18 -8 =11 -8 =10 -8 = 14 -8 =18 -8 =16 -8 =11 -8 =13 -8 =17 -8 =16 -8 =18 -8 =14 -8 =12 -8 =10 -8 =18 -8 = 13 -8 =14 -8 =11 -8 =11 -8 = 16 -8 =11 -8 =15 -8 =14 -8 = 15 -8 =19 -8 =19 -8 =12 -8 = 15 -8 =11 -8 =13 -8 =13 -8 = 17 -8 =13 -8 =10 -8 =16 -8 = 17 -8 =17 -8 =18 -8 =16 -8 = 14 -8 =10 -8 =17 -8 =13 -8 =十几减8的退位减法班级 姓名14 -8 =14 -8 =10 -8 =11 -8 = 13 -8 =19 -8 =19 -8 =13 -8 = 11 -8 =16 -8 =19 -8 =11 -8 = 18 -8 =14 -8 =15 -8 =14 -8 = 18 -8 =19 -8 =11 -8 =14 -8 = 16 -8 =11 -8 =12 -8 =13 -8 =16 -8 =19 -8 =10 -8 =19 -8 =17 -8 =12 -8 =19 -8 =13 -8 = 12 -8 =17 -8 =18 -8 =11 -8 = 17 -8 =19 -8 =16 -8 =18 -8 = 10 -8 =12 -8 =16 -8 =15 -8 = 15 -8 =13 -8 =13 -8 =11 -8 =11 -8 =18 -8 =19 -8 =16 -8 =12 -8 =10 -8 =18 -8 =16 -8 = 15 -8 =13 -8 =14 -8 =16 -8 = 15 -8 =10 -8 =13 -8 =18 -8 =11 -8 =14 -8 =16 -8 =18 -8 =12 -8 =16 -8 =14 -8 =13 -8 =13 -8 =19 -8 =15 -8 =10 -8 = 13 -8 =14 -8 =16 -8 =11 -8 =12 -8 =15 -8 =12 -8 =15 -8 =13 -8 =11 -8 =12 -8 =19 -8 =14 -8 =14 -8 =16 -8 =16 -8 = 10 -8 =18 -8 =19 -8 =14 -8 = 14 -8 =18 -8 =19 -8 =13 -8 = 10 -8 =13 -8 =15 -8 =12 -8 =十几减8的退位减法班级 姓名12 -8 =17 -8 =13 -8 =17 -8 = 17 -8 =18 -8 =13 -8 =13 -8 =11 -8 =11 -8 =13 -8 =12 -8 =12 -8 =18 -8 =10 -8 =13 -8 = 10 -8 =15 -8 =17 -8 =15 -8 = 12 -8 =13 -8 =13 -8 =12 -8 =15 -8 =10 -8 =15 -8 =11 -8 =16 -8 =19 -8 =10 -8 =11 -8 = 16 -8 =16 -8 =11 -8 =14 -8 = 16 -8 =14 -8 =12 -8 =13 -8 = 10 -8 =16 -8 =18 -8 =19 -8 = 14 -8 =11 -8 =11 -8 =12 -8 =11 -8 =17 -8 =10 -8 =12 -8 =12 -8 =17 -8 =15 -8 =12 -8 = 18 -8 =12 -8 =18 -8 =18 -8 = 17 -8 =12 -8 =12 -8 =18 -8 = 13 -8 =10 -8 =11 -8 =16 -8 = 10 -8 =10 -8 =15 -8 =14 -8 = 16 -8 =15 -8 =10 -8 =12 -8 = 19 -8 =13 -8 =16 -8 =15 -8 = 11 -8 =15 -8 =11 -8 =18 -8 = 14 -8 =10 -8 =16 -8 =12 -8 = 16 -8 =11 -8 =13 -8 =18 -8 = 16 -8 =13 -8 =10 -8 =15 -8 = 18 -8 =17 -8 =14 -8 =19 -8 = 14 -8 =16 -8 =15 -8 =13 -8 =十几减8的退位减法班级 姓名16 -8 =15 -8 =14 -8 =19 -8 = 18 -8 =19 -8 =19 -8 =14 -8 = 15 -8 =12 -8 =12 -8 =18 -8 = 14 -8 =11 -8 =12 -8 =17 -8 = 11 -8 =10 -8 =18 -8 =17 -8 =11 -8 =18 -8 =15 -8 =14 -8 =12 -8 =17 -8 =14 -8 =15 -8 =15 -8 =14 -8 =16 -8 =14 -8 =16 -8 =12 -8 =16 -8 =15 -8 = 18 -8 =11 -8 =10 -8 =19 -8 = 17 -8 =16 -8 =15 -8 =11 -8 = 16 -8 =10 -8 =11 -8 =13 -8 = 15 -8 =14 -8 =14 -8 =12 -8 = 10 -8 =17 -8 =12 -8 =13 -8 = 19 -8 =14 -8 =16 -8 =13 -8 = 12 -8 =13 -8 =18 -8 =14 -8 = 15 -8 =13 -8 =19 -8 =12 -8 = 19 -8 =10 -8 =15 -8 =10 -8 = 19 -8 =16 -8 =14 -8 =11 -8 = 16 -8 =16 -8 =11 -8 =12 -8 = 18 -8 =15 -8 =12 -8 =11 -8 = 11 -8 =14 -8 =12 -8 =12 -8 =11 -8 =17 -8 =12 -8 =12 -8 =12 -8 =10 -8 =16 -8 =16 -8 = 10 -8 =17 -8 =14 -8 =12 -8 = 15 -8 =19 -8 =19 -8 =12 -8 =十几减8的退位减法班级 姓名17 -8 =13 -8 =12 -8 =12 -8 = 10 -8 =18 -8 =11 -8 =14 -8 =10 -8 =18 -8 =15 -8 =14 -8 =11 -8 =17 -8 =18 -8 =19 -8 = 10 -8 =16 -8 =14 -8 =19 -8 = 16 -8 =18 -8 =19 -8 =18 -8 = 11 -8 =11 -8 =15 -8 =19 -8 = 13 -8 =17 -8 =10 -8 =12 -8 = 11 -8 =16 -8 =17 -8 =18 -8 = 10 -8 =18 -8 =13 -8 =16 -8 = 18 -8 =15 -8 =13 -8 =14 -8 = 10 -8 =18 -8 =19 -8 =10 -8 = 19 -8 =12 -8 =19 -8 =17 -8 = 10 -8 =10 -8 =10 -8 =16 -8 = 16 -8 =17 -8 =17 -8 =17 -8 = 13 -8 =15 -8 =17 -8 =13 -8 = 19 -8 =12 -8 =19 -8 =11 -8 = 17 -8 =10 -8 =17 -8 =13 -8 = 11 -8 =11 -8 =13 -8 =18 -8 = 17 -8 =10 -8 =16 -8 =19 -8 = 11 -8 =19 -8 =14 -8 =12 -8 = 16 -8 =11 -8 =14 -8 =12 -8 = 19 -8 =18 -8 =14 -8 =12 -8 = 13 -8 =16 -8 =10 -8 =19 -8 =17 -8 =15 -8 =14 -8 =13 -8 =18 -8 =16 -8 =16 -8 =12 -8 =十几减8的退位减法班级 姓名13 -8 =14 -8 =12 -8 =18 -8 = 10 -8 =19 -8 =11 -8 =14 -8 = 15 -8 =16 -8 =14 -8 =10 -8 = 11 -8 =19 -8 =12 -8 =11 -8 =10 -8 =18 -8 =13 -8 =10 -8 =11 -8 =14 -8 =10 -8 =13 -8 =12 -8 =14 -8 =10 -8 =14 -8 = 16 -8 =13 -8 =19 -8 =19 -8 = 15 -8 =18 -8 =13 -8 =18 -8 = 14 -8 =18 -8 =10 -8 =14 -8 =18 -8 =14 -8 =14 -8 =13 -8 =19 -8 =11 -8 =16 -8 =11 -8 = 16 -8 =11 -8 =11 -8 =14 -8 = 11 -8 =12 -8 =12 -8 =13 -8 = 14 -8 =15 -8 =14 -8 =19 -8 = 11 -8 =18 -8 =10 -8 =12 -8 = 18 -8 =15 -8 =18 -8 =16 -8 = 16 -8 =19 -8 =14 -8 =12 -8 = 11 -8 =17 -8 =10 -8 =18 -8 = 15 -8 =13 -8 =10 -8 =13 -8 = 19 -8 =12 -8 =16 -8 =16 -8 = 18 -8 =13 -8 =15 -8 =10 -8 = 17 -8 =17 -8 =10 -8 =11 -8 = 12 -8 =17 -8 =11 -8 =10 -8 = 18 -8 =18 -8 =18 -8 =12 -8 = 14 -8 =19 -8 =14 -8 =13 -8 =十几减8的退位减法班级 姓名10 -8 =13 -8 =13 -8 =11 -8 = 12 -8 =13 -8 =19 -8 =14 -8 =15 -8 =10 -8 =18 -8 =13 -8 =16 -8 =13 -8 =13 -8 =15 -8 = 12 -8 =11 -8 =16 -8 =14 -8 = 17 -8 =14 -8 =15 -8 =11 -8 = 13 -8 =12 -8 =14 -8 =13 -8 = 12 -8 =17 -8 =10 -8 =17 -8 = 17 -8 =16 -8 =18 -8 =19 -8 = 15 -8 =17 -8 =12 -8 =15 -8 = 17 -8 =12 -8 =18 -8 =13 -8 = 17 -8 =11 -8 =11 -8 =14 -8 =12 -8 =14 -8 =13 -8 =17 -8 =13 -8 =19 -8 =15 -8 =13 -8 =14 -8 =12 -8 =18 -8 =10 -8 =11 -8 =10 -8 =14 -8 =10 -8 =12 -8 =10 -8 =14 -8 =15 -8 = 18 -8 =10 -8 =15 -8 =10 -8 = 15 -8 =17 -8 =12 -8 =15 -8 = 13 -8 =13 -8 =17 -8 =14 -8 = 10 -8 =14 -8 =18 -8 =10 -8 = 15 -8 =15 -8 =15 -8 =13 -8 =10 -8 =14 -8 =15 -8 =17 -8 =11 -8 =15 -8 =13 -8 =13 -8 =12 -8 =11 -8 =12 -8 =14 -8 = 17 -8 =19 -8 =17 -8 =11 -8 =十几减8的退位减法班级 姓名13 -8 =15 -8 =13 -8 =19 -8 = 17 -8 =13 -8 =14 -8 =16 -8 = 11 -8 =11 -8 =19 -8 =16 -8 = 18 -8 =11 -8 =16 -8 =18 -8 = 13 -8 =11 -8 =18 -8 =19 -8 = 18 -8 =10 -8 =18 -8 =12 -8 = 10 -8 =19 -8 =16 -8 =10 -8 =18 -8 =12 -8 =11 -8 =14 -8 =19 -8 =19 -8 =11 -8 =16 -8 = 11 -8 =13 -8 =19 -8 =13 -8 =17 -8 =10 -8 =12 -8 =19 -8 =18 -8 =11 -8 =11 -8 =10 -8 = 11 -8 =13 -8 =18 -8 =13 -8 =11 -8 =12 -8 =11 -8 =18 -8 =12 -8 =11 -8 =12 -8 =16 -8 = 19 -8 =13 -8 =11 -8 =10 -8 = 13 -8 =19 -8 =19 -8 =11 -8 = 16 -8 =16 -8 =17 -8 =11 -8 =13 -8 =18 -8 =11 -8 =12 -8 =14 -8 =13 -8 =12 -8 =17 -8 =15 -8 =17 -8 =17 -8 =19 -8 =16 -8 =11 -8 =18 -8 =10 -8 = 18 -8 =19 -8 =10 -8 =16 -8 = 13 -8 =18 -8 =13 -8 =13 -8 = 16 -8 =13 -8 =19 -8 =19 -8 = 12 -8 =10 -8 =16 -8 =13 -8 =。
十几减9、8、7、6的退位减法练习
退位减法练习（十几减8、9）姓名家长签名退位减法的计算方法：分解法、想加法算减法例题：15－9=习题：12－9= 17－9= 11－9= 14－9= 15－8= 13－8= 17－8= 11－8=退位减法练习（十几减8、9）姓名家长签名退位减法的计算方法：分解法、想加法算减法例题：15－9=习题：12－9= 17－9=11－9= 14－9=15－8= 13－8=51 1.分解法：想15分成10和5，用10－9= 1,1 + 5 = 62.想加法算减法：想9+( )=15，9+ 6=15,所以15－9= 6直接写得数：(9)+(7)=16 (8)+(7)=1516－9=( ) 15－8=( )16－7=( ) 15－7=( )(3)+(9)=12 (8)+(6)=1412－9=( ) 14－8=( )12－3=( ) 14－6=( )1511.分解法：想15分成10和5，用10－9= 1,1 + 5 = 62.想加法算减法：想9+( )=15，9+ 6=15,所以15－9= 6直接写得数：(9)+(7)=16 (8)+(7)=1516－9=( ) 15－8=( )16－7=( ) 15－7=( )(3)+(9)=12 (8)+(6)=1412－9=( ) 14－8=( )12－3=( ) 14－6=( ).退位减法练习（十几减7、6）姓名家长签名退位减法的计算方法：分解法、想加法算减法例题：11－7=习题：13－7= 15－7=16－7= 14－7=14－6= 13－6=15－6= 12－6=退位减法练习（十几减7、6）姓名家长签名退位减法的计算方法：分解法、想加法算减法习题：13－7= 15－7=16－7= 14－7=14 1.分解法：想11分成10和1，用10－7=3,3+1=42.想加法算减法：想7+( )=11，9+ 4=11,所以11－7= 4直接写得数：(7)+(5)=12 (6)+(7)=1312－7=( ) 13－6=( )12－5=( ) 13－7=( )(7)+(9)=16 (5)+(6)=1116－9=( ) 11－5=( )12－7=( ) 11－6=( )12141.分解法：想11分成10和1，用10－7=3,3+1=42.想加法算减法：想7+( )=11，9+ 4=11,所以11－7= 4直接写得数：(7)+(5)=12 (6)+(7)=1312－7=( ) 13－6=( )12－5=( ) 13－7=( )(7)+(9)=16 (5)+(6)=1116－9=( ) 11－5=( )12－7=( ) 11－6=( ).14－6= 13－6= 15－6= 12－6=2 .。
十几减8、7、6 巩固练习
9＋5＋4＝18
14 4
11＋4－8＝7
15
12－6＋8＝14 13－9＋9＝13
12－7＝5
11－8＝3 13－6＝7
18－9＝ 9
16－7＝ 9 7＋5＝12
14－6＝ 8
8＋9＝17 11－6＝ 5
15－7＝8
17－8＝ 9
15－9＝ 6
三、提高练习
（一）在 里填上“＞”“＜”或“＝”
16－8 ＜ 9
8
14－7 ＞ 6
7
12－6 ＝ 6
6
15－8 ＞ 5
7
13－7 ＜ 7
4 4 5 5 6 6
问题：怎么算得这么快，能说说你们是用什么方法算的吗？
二、巩固练习
（一）找座位，连一连
二、巩固练习
（二）移动 8 从卡片上的数里减去它
8
问题：说说你是怎么算的。
二、巩固练习
（三）先说得数，再写算式
5
2 9
7 8
8 4
5
7 75 99 4来自6 10 863
二、巩固练习
（四）看谁都能算对
20以内的退位减法
十几减8、7、6 巩固练习
一、基础练习
（一）用你喜欢的方法计算 10－8＝ 2 11－8＝ 3 12－8＝ 4 13－8＝ 5 14－8＝ 6 15－8＝7 16－8＝ 8 17－8＝ 9 18－8＝10
问题：怎么算得这么快，能说说你们是用什么方法算的吗？
一、基础练习
（二）填一填
6
11－6 ＜ 8
5
三、提高练习
（二）连一连
问题：1. 算出结果，将得数相等的算式连线。 2. 将结果相等的算式用等号连接写在纸上，观察相等的 两个算式有什么关系。
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。