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20以内加减法练习(24页_每页50题_B5纸)

20以内加减法练习(24页_每页50题_B5纸)
20以内加减法练习(24页_每页50题_B5纸)

姓名:时间:成绩:

18-5 =17-11 =13+6 =17-5 =16-10 = 5 -4 =9 -4 =16-1 =7 +10 =9 -0 =18+1 = 6 +10 =4 -0 =18-12 =17-17 =10+2 =10-10 =9 -0 =15-0 = 4 +1 =0 +16 = 2 +2 =13-12 = 4 +12 =13+4 = 6 -5 =15-13 =14+1 =3 +12 =0 +0 =0 +17 =7 -2 =2 +14 =11-10 =11+4 =10+4 =14-3 =11-1 = 3 -1 =13-2 =12-0 =11+0 =13-10 =15+4 =3 +5 =10+7 =0 +1 =19-14 =11+1 =17-1 =

姓名:时间:成绩:

3 +

4 = 1 +14 =14+2 = 4 +12 =12+

5 =14+1 =10+8 =17-15 =15-3 =9 -8 =11+5 =16+1 =12+3 =17-12 = 1 +17 =11+5 =2 +

6 =19-5 =

7 -3 =12+4 =10+7 = 1 +12 =11+1 =17-10 =9 -9 = 4 +12 =11+2 =13+2 =16-1 =19-13 = 4 -3 = 1 +14 =15-3 = 6 -5 =13+1 =11+1 =19-1 = 2 +6 =19-1

8 = 2 +11 =

2 +6 =18-1

3 =12+7 = 3 +1 =

3 +

4 =16-14 =18-2 =

5 +4 =16+2 =16-4 =

姓名:时间:成绩:

2 -2 =7 -

3 = 6 -0 =7 +11 =13-3 =8 -6 =0 +18 =10+3 =18-11 =17+0 = 2 -2 = 1 +7 =

6 -3 =13+1 = 5 +14 =11+0 =

7 -1 =0 +10 = 6 -1 = 2 +6 =11-10 =11+3 = 5 +10 =12-10 =0 +11 = 5 +10 = 5 -5 =19-11 =17-13 = 2 +2 = 3 +11 =10+3 =17-3 = 1 -0 =9 -5 =19-8 =8 +0 =17-1 =13-10 =17+0 =5 -3 =9 -8 =7 -3 = 2 -2 =14-2 = 5 -3 =0 +4 =9 -8 =17-14 =16-14 =

姓名:时间:成绩:

19-15 =18-2 =11+2 =14-12 =1 +3 = 5 +11 =10+5 =11-1 =5 -2 =7 -6 =12+6 =10+9 =14+5 = 1 +3 = 2 +10 =8 +10 =10+8 = 2 -1 =9 -1 =9 -5 =1 +8 =12+6 =9 -3 =8 -2 =17-11 =11-10 =7 -6 =19-3 =15-11 =7 -4 =16-14 = 5 -2 =8 -6 =15-2 =16-13 = 3 +11 =8 -7 = 2 +17 = 5 +14 =14+4 =11+3 = 5 +12 =16-12 =7 +2 =17-4 =7 +11 =18-7 = 4 +5 =3 +12 = 3 -0 =

姓名:时间:成绩:

19-5 =10+1 = 2 +15 =19-5 =12-11 = 3 +3 =18-4 =19-10 =16-16 = 1 +8 = 1 +13 =14-4 =18-11 =18-7 =0 +19 =12+1 =15-11 =12+3 =18-13 = 6 -0 =1 +7 =18-16 =18-6 =9 -1 =6 -3 =13-1 =19-15 =8 -0 =6 -6 =0 +19 =9 -2 = 3 -3 =12+3 = 2 +11 =7 -3 =13-2 =8 -0 = 1 +5 =15+3 =18-15 =2 +4 =19-17 = 3 +6 = 2 -1 =17-10 = 1 +15 =7 -6 = 3 +6 =2 +14 = 5 +13 =

姓名:时间:成绩:

17-2 = 2 +3 =14+0 =13+0 =0 +1 =18-12 =18-8 =0 +1 =12-11 = 4 +11 =12+7 = 3 +13 =14+5 =19-1 =14+1 = 3 +12 =12+4 =17-11 = 5 +3 =17-11 =6 +10 =17-16 =18-1 = 2 +3 =6 +12 =12-10 = 5 +10 = 3 +6 =17-14 =11+1 =19-17 = 4 +5 =5 -3 =19-19 = 4 +3 =7 +1 =4 -3 = 3 +1 = 4 -2 = 1 +7 =13-1 =15-3 =7 -1 =12+2 =1 +10 =7 +10 =15-10 =18-6 =

15+1 =19-7 =

姓名:时间:成绩:

1 +7 = 3 -

2 =18-

3 =16-1

4 =1 +18 =13-0 =15-0 =19-19 =17+0 =16-4 = 2 -2 =12-12 =19-4 =11+2 = 3 +1

5 = 3 -0 =0 +9 = 4 +10 =0 +11 = 4 -0 =4 -3 =0 +5 =9 -0 =19-18 =17+2 =16+1 =12-10 =9 -1 =1 +7 =10+8 = 5 +2 =17-

6 =18-8 = 3 -0 =0 -0 =19-1 =11-10 =12-10 =

7 -3 =12-11 =15-12 =15-11 = 6 +10 = 1 +13 =4 +3 = 3 +14 = 2 +13 =18-2 =

8 -4 = 6 -2 =

姓名:时间:成绩:

10+2 =7 -4 =15-11 =8 +10 =13-3 = 1 +12 = 4 +15 = 2 +4 =15-1 =16-2 =10+3 = 1 +14 =16+2 =10+7 = 2 +5 = 2 +6 =1 +2 =14+3 =11+8 = 1 +1 =17-16 = 1 +2 = 5 +14 =12+4 =18-17 =12+3 =17-15 = 6 -1 =6 -5 = 6 +2 =16+3 = 1 +14 =16+1 = 4 +15 = 2 +3 =18-13 =7 -1 =15-1 =17-6 = 3 +15 =1 +2 =12+3 =16-1 = 5 +12 =15-11 =19-18 =11+6 =11+2 =9 -1 = 2 +14 =

姓名:时间:成绩:

19+0 = 1 +18 =7 -1 = 1 +16 =4 +2 =16-15 = 1 -1 =17-16 =7 +1 = 5 -2 = 2 +4 =19-17 =10+10 = 6 -1 = 1 +0 = 1 +11 =2 +10 =0 +4 =18-15 =12-1 =15-13 = 5 +14 = 3 +0 = 1 +15 =6 -0 =8 -0 =12+7 =15-11 =13+4 =0 +0 =19-8 =13+5 =18-6 =18-4 = 1 +16 = 1 +13 =9 -0 =8 -0 =9 -2 = 2 +10 =14-2 =18-6 =19-14 =12-2 =0 +17 =10+6 = 5 +4 =18-6 =19-19 = 1 +14 =

姓名:时间:成绩:

16-3 =18-4 =7 +11 =16-13 =12+5 =10+3 = 5 -1 = 5 +1 =6 +1 =9 -5 = 4 +1 =9 -9 =14-10 =16-6 =13-10 = 3 +14 =6 -1 =15-5 = 5 +3 =15+4 =18-2 =19-13 =11+5 = 5 +3 =19-1 =16-14 =15-4 =19-8 =16-14 = 2 +12 =11+3 =19-5 =17-14 =17+2 = 4 +14 =13-3 =

1 +14 =16-11 =12-10 =19-8 =

2 +6 =7 +2 =14-10 =9 -6 =19-5 = 6 -5 =15-5 = 4 +12 =

3 +13 =17-5 =

姓名:时间:成绩:

10+6 =0 +16 =16-2 =19-1 =2 +15 = 2 +12 =16-2 =18-16 =2 +17 =10-10 =19-7 =14-13 =15-15 =12-1 =0 +11 =7 +11 =14-12 =15-2 =11+0 = 1 +2 =1 +15 =0 +11 =0 +9 =17-10 =1 +8 =15+0 = 5 +0 =14+0 =3 +2 = 6 -1 = 5 +0 =16-1 =13-12 = 1 +3 =9 +0 =8 -7 =18-4 =13-11 =9 -7 =18-4 =2 +5 =10+5 = 3 +11 =15-14 =17-12 =12-12 = 6 +10 =17-17 =4 -1 = 5 -2 =

姓名:时间:成绩:

15-3 = 1 +14 = 6 +12 = 2 -1 =18-6 = 1 +10 =15-5 =9 -2 =6 +13 = 1 +14 =8 +1 =14+5 =18-1 = 3 +10 =14+4 =8 -7 =12-11 =17-16 =10+9 = 3 +4 =1 +13 =12+2 =10+3 =12+4 =3 +12 =16+2 =7 -4 =19-10 =14-10 =11+6 =19-16 = 2 +12 =7 +11 =10+6 = 2 +4 =16+3 =3 +12 =17-5 =19-3 =11+8 =1 +4 =18-3 = 1 +7 =19-4 =14+3 = 3 +16 =15-12 = 4 -3 =

2 +5 =10+8 =

姓名:时间:成绩:

4 +4 =18-1 =8 -8 =15+2 =14+3 =

5 +3 =10+7 =17-3 =12+7 =10+3 =16-0 = 3 +1

6 =15-14 =14-2 =9 +10 =15-12 =5 -3 = 2 +13 =18+0 =18-3 =8 +0 = 1 -0 =19-19 = 6 -1 =6 -3 =11-1 =13-11 = 1 +4 =16-2 =14-10 =14-13 =11+2 =11-0 =13-10 =14-2 =16+2 =10+6 =14-3 = 4 +3 =18-1

7 =15-12 =19-1

8 =19-18 = 6 +12 =10+2 =17-3 =7 -3 = 2 +11 =11+1 =13-10 =

姓名:时间:成绩:

6 +2 =12-2 =17-6 = 1 +2 =2 +13 =13+4 = 5 +2 =19-5 =1 +12 =9 -1 = 2 +1 =11+4 =18+1 =12-12 =15-2 =

7 +12 =1 +14 =19-10 =19-12 = 4 -1 =17-15 = 2 +3 =16-16 = 1 -0 =7 -1 =19-1 = 1 +4 = 2 +2 =1 +15 =19-1

8 =19-18 =17-1 =3 -0 =7 -0 =7 -1 =12-11 =3 +13 =0 +10 =11+0 =8 -6 =5 +12 =19-18 =15-10 =17-1 =

1 +13 =11+8 =12+3 =16-1 =

2 +10 =0 +5 =

姓名:时间:成绩:

17-5 =0 +18 =18-14 =17-6 =8 -7 =13+0 = 2 +2 = 5 +2 =8 +0 = 3 +6 = 4 +12 =9 -5 =6 -1 = 2 +3 =17+2 = 3 +13 =5 -0 = 3 -0 =11+5 =0 +4 =9 +10 =14-11 =8 +0 = 3 +10 =11+7 =16-0 = 5 +3 =0 +11 =1 +8 =12-2 =15-1 = 6 -5 =19-4 =19-15 =9 -8 = 3 +6 =18-5 =8 +11 = 5 +3 =17+1 =14+2 = 3 +4 =14-12 =18-7 =4 +13 = 2 +7 =15-1 =18-18 =3 +16 =11-10 =

姓名:时间:成绩:

16-6 = 6 +10 =17+2 =8 +1 =8 -6 = 4 +2 =9 -4 =10+3 =1 +15 = 6 -5 = 1 +12 =13-11 =17-15 =14+1 =17-16 =16-5 =18-10 =15-10 = 1 +18 = 2 -1 =10+5 =8 -8 = 5 +3 = 1 +17 =16-15 =16+2 = 2 -1 =10+3 =3 +11 =11-10 = 1 +7 = 6 +3 =2 +12 =11-10 = 1 +12 =7 +10 =12+2 =16-11 =7 -7 = 5 +12 =2 +16 =7 -3 =14-1 =11+2 =5 -3 =16-3 =12+1 =9 -5 =2 -2 = 4 +3 =

姓名:时间:成绩:

18-11 =10+7 =15-12 = 1 +16 =1 +16 = 5 -5 = 3 +3 =10+6 =18-12 =7 -7 = 4 -1 =12-1 =0 +1 =7 -0 = 1 +10 =15-5 =2 +3 =19-9 =17-4 =11+2 =4 -4 =16+1 = 6 -2 =16-1 =16+3 = 5 -5 =18+0 =7 +11 =5 +12 =13-2 = 2 +6 =8 -4 =16+3 = 1 +13 = 4 -0 =7 -2 =18-10 =17-5 =8 -3 =0 +11 =9 +0 =16-6 =16-0 = 2 +4 =13+3 = 4 -0 = 3 +2 =16-12 =17-4 =0 +16 =

2 -2 = 4 +

3 =

姓名:时间:成绩:

10+4 =8 -2 = 3 +11 = 2 +6 =11+3 =19-5 = 2 +11 =11+3 =10+10 =16-14 =9 -4 = 4 +3 =5 -4 =7 -5 = 5 +4 = 5 -3 =17-3 =17-4 =14-2 = 2 +1 =15+3 = 1 +4 =19-17 =7 +2 =17-16 =15-4 =15-12 =14-12 =3 +3 = 5 +1 =19-5 =18-16 =2 +6 =18-8 = 2 +16 =8 -5 =15+1 =7 -3 = 5 -2 =16-13 =14+3 =14+1 =13-2 = 3 +14 =12+3 =10+6 = 3 +15 =13-2 =0 +6 =19+0 =

姓名:时间:成绩:

1 +16 =14+

2 = 1 +14 =

3 +1

4 =7 -

5 =7 -1 =10-0 =15+1 =5 +10 = 2 +5 =11+

6 =8 -8 =11+

7 =9 -6 =10+6 = 1 +0 =

7 -1 =17+0 =19-2 =15-10 =

8 -2 =11+0 = 5 +2 = 4 +10 =2 +4 = 2 +3 =12+3 =15-14 =1 +16 =16-3 =18-10 =17-4 =15-4 =15+2 =16-14 =8 +10 =15-10 =15-2 = 3 -3 =0 +19 =15-2 = 2 +10 = 5 +14 =8 -4 =15-4 =7 -3 = 2 +10 =7 +11 =11-10 =14+2 =

姓名:时间:成绩:

19-19 = 4 +15 =13-0 =12-12 =5 +10 = 1 +1 =19-3 =15-2 =9 -2 =17-3 =8 -6 =10+1 =18-5 = 1 +10 =19-18 =8 -2 =2 +2 =8 -7 =11+1 =16+3 =4 +10 =19-9 = 3 +0 =19-5 =12-1 =17-3 = 3 +1 =17-12 =17-16 =12-11 = 3 +10 = 5 -1 =9 -3 =10+9 =19-6 = 2 +10 =17-2 = 4 +15 = 3 +2 = 1 +1 =17-14 =7 -6 =16-5 = 3 +10 =13+6 = 1 +2 = 6 -2 =18-1 =12+0 = 4 +3 =

20以内加法竖式教案

20以内加法竖式教案 【篇一:10以内加法竖式计算教学设计】 10以内加法竖式计算 xxx学校 xxxx 教学内容: 上海教育出版社《实用数学》第六册第二单元第一部分,10以内加 法竖式计算。 教学内容分析: 本节课是二单元的起始课,第二单元属于数与数的笔算,是本册教 材的重点单元之一。在以前的学习中,学生已经掌握了10以内数的 加减法,本节课是学生第一次接触竖式,因此,在本课的设计中重 点强调了对算理的理解和算法的掌握,初步了解竖式与算理的联系,体会相同数位对齐,相同数位上的数才能相加的道理。 学情分析: 本课是这学期的新课,是在学生复习了上学期所学10以内的加减法的基础上进行的学习,通过复习,第一、二层次学生能进行10以内 的加减法运算,有了笔算的前提和基础,本课的教学将使学生初步 了解用竖式进行笔算的方法,为以后进位加法打下基础。 教学目标: 1.使学生掌握10以内加法的竖式计算方法,会用竖式正确计算。 2.在具体情境中,通过动手操作、合作交流等活动,使学生经历加 法的竖式计算过程,初步了解竖式与算理的联系,体会相同数位对 齐进行相加的算理。3. 教学重点: 会写加法竖式,掌握书写规则,会用竖式正确计算。 教学难点: 理解相同数位上的数才能相加的算理。 教学过程: 一、借助情境,导入新知 1.出示课件,在情境中引入新知 师:同学们,让我们一起去参观博物馆吧,可以开阔我们的眼界, 增长我们 的知识。好不好? 生:好。

师:看大家都已经集合好,准备出发了。 二、探究新知 2.出示图片和题目 师:学生和带队老师一共多少人? 3.指名列式,板书 7+2= 抽学生回答,7+2=多少? 师:你是怎么得到的,能给大家说一下吗? (指名说一说) 师:很好,说的很清楚,他是借助数的组成来解决问题的。 还可以通过怎样的方式,可以计算呢? 4.经历计算过程,探究竖式算理 通过动手操作,了解竖式的写法,理解相同数位对齐的算理。能不 能通过算式的形式来表达呢,让别人知道你是把7和2合起来的? 5.把算式竖过来写就是竖式,板书: 7 + 2 师:竖着写有什么好处呢?更清楚的告诉别人,是把7和2合起来。 6.写成竖式,你会吗?试着写一写,比比谁写的美观。 写竖式要注意些什么?怎么才美观? 分开点写,相同数位要对齐,加号往前写,不要忘掉。三、 1.出示3+5=你会用竖式计算吗? 2.订正,说说要注意什么? 生:相同数位对齐。 师:看谁书写工整,计算正确。 3.看谁算得又对又快 1+3= 5+4= 3+3= 2+7= 0+8= 5+2= 7+0= 8+1= 四、课堂总结 师:今天我们学习了什么内容?生:10以内的加法竖式计算。师:计算时要注意些什么? 生:相同数位要对齐,书写要工整。课后作业: 完成课本试一试第1题。板书设计: 10以内加法竖式计算 7+2=9 7 + 2 9 相同数位要对齐

20以内的加减法练习及连加连减训练

姓名:时间:成绩: 18-5 =17-11 =13+6 =17-5 =16-10 = 5 -4 =9 -4 =16-1 =7 +10 =9 -0 =18+1 = 6 +10 =4 -0 =18-12 =17-17 =10+2 =10-10 =9 -0 =15-0 = 4 +1 =0 +16 = 2 +2 =13-12 = 4 +12 =13+4 = 6 -5 =15-13 =14+1 =3 +12 =0 +0 =0 +17 =7 -2 =2 +14 =11-10 =11+4 =10+4 =14-3 =11-1 = 3 -1 =13-2 =12-0 =11+0 =13-10 =15+4 =3 +5 =10+7 =0 +1 =19-14 =11+1 =17-1 =16+2 =16-4 =3 +4 = 1 +14 =14+2 = 4 +12 =12+5 =14+1 =10+8 =17-15 =15-3 =9 -8 =11+5 =16+1 =12+3 =17-12 = 1 +17 =11+5 =2 +6 =19-5 =7 -3 =12+4 =10+7 = 1 +12 =11+1 =17-10 =9 -9 = 4 +12 =11+2 =13+2 =

姓名:时间:成绩: 16-1 =19-13 = 4 -3 = 1 +14 =15-3 = 6 -5 =13+1 =11+1 =19-1 = 2 +6 =19-18 = 2 +11 = 2 +6 =18-1 3 =12+7 = 3 +1 = 3 + 4 =16-14 =18-2 = 5 +4 =2 -2 =7 -3 = 6 -0 = 7 +11 =13-3 = 8 -6 =0 +18 =10+3 =18-11 =17+0 = 2 -2 = 1 +7 = 6 -3 =13+1 = 5 +14 =11+0 = 7 -1 =0 +10 = 6 -1 = 2 +6 =11-10 =11+3 = 5 +10 =12-10 =0 +11 = 5 +10 = 5 -5 =19-11 =17-13 = 2 +2 = 3 +11 =10+3 =17-3 = 1 -0 =9 -5 =19-8 =8 +0 =17-1 =13-10 =17+0 =5 -3 =9 -8 =7 -3 = 2 -2 =14-2 = 5 -3 =0 +4 =9 -8 =17-14 =16-14 = 3 +12 = 3 -0 =19-15 =18-2 =11+2 =14-12 =1 +3 = 5 +11 =10+5 =11-1 =

幼儿园20以内加法数学口算题100道(附答案)

20以内计算题100道用时:错误: 9 + 2 = 4 + 5 = 12 + 3 = 5 +7 = 17 + 3 = 14 + 3 = 14 + 5 = 0 +17 = 2 +12 = 5 +14 = 16 + 3 = 3 + 4 = 9 +9 = 0 +13 = 18 + 2 = 16 + 1 = 18 +0 = 5 +11 = 4 + 6 = 2 +9 = 5 +10 = 4 + 2 = 13 + 1 = 0 +15 = 3 +14 = 5 +12 = 1 + 2 = 8 + 1 = 0 +10 = 3 + 2 = 2 +7 = 2 + 2 = 3 +15 = 6 +0 = 4 + 1 = 11 + 6 = 3 +0 = 17 + 3 = 2 +14 = 2 +12 = 6 + 1 = 11 + 1 = 12 + 4 = 6 +14 = 3 +17 = 4 +9 = 8 + 1 = 8 + 3 = 7 + 4 = 1 +18 = 4 +0 = 7 +9 = 1 +10 = 1 +17 = 2 + 5 = 0 +15 = 2 +7 = 10 +9 = 1 +17 = 3 +13 = 1 +15 = 18 +0 = 2 +0 = 3 +12 = 0 +8 = 7 + 6 = 6 + 2 = 1 +19 = 6 +9 = 2 +8 = 16 +0 = 3 +8 = 4 + 4 = 11 + 1 = 1 +0 = 5 +7 = 6 + 2 = 0 +12 = 5 +9 = 3 +15 = 7 +7 = 7 +10 = 12 + 1 = 1 + 2 = 1 +7 = 5 +12 = 9 +7 = 0 + 3 = 16 + 3 = 4 +12 = 19 + 1 = 1 +13 = 7 +9 = 10 +7 = 4 +7 = 3 +17 = 10 + 4 = 12 + 6 = 12 + 6 = 5 + 5 =

20以内加减法的技巧

20 以内加减法的技巧 一、手指辅助延伸法。 例1:计算6 +8= 我至今记得有这样一位小朋友,5 以内的加减法很勉强能通过,10 以内的就得靠他那10个手指头了。当我们教到20以内的加减法时他就束手无策了,无奈只好脱掉鞋子把自己的10 个脚趾头也搬了上来。对于这样的学生,我起初真的也束手无策了,这样下去该如何是好,总得想出点办法来。看着自己的双手我也动了一番脑筋,于是我就把一只手看成是9,大拇指代表5,其他各指都代表1,另外一只手也是如此。 以例1 计算6 +8= 为例,计算像这样20以内的进位加法时,我就告诉他:左手拿出6(大拇指加食指),右手拿出8(大拇指加另3 个手指),然后把两个大拇指合起来就是1(0 5+5=10),再数数还有几个手指(4 个),那合起来就是十几了(14)。就这么反复的教了几遍后,这位小朋友就明白了我的意思,以后做 20 以内的进位加法速度也快多了,比以往手指、脚趾并用得心应手多了。计算20 以内的进位加法都可以用这种方法来解决。 低年级学生尤其是一年级学生以具体形象思维为主要形式,对“一只手是5个手指头,两只手合起来是10 个手指头。”这一概念在幼儿时期就已经形成在小朋友的大脑中了。我只是让他们把这一概念继续延续下去,两

个大拇指一并就是10,然后数数还有几个手指就是十几。因为我把20 以内的进位加法转化成为10以内的加法和整十数加几的加法了,这对小朋友来说要比进位计算简便的多,所以学生计算速度大大提高了。 后来,我也把这种方法教给了计算速度很一般的小朋友,他们的速度也有了大大提高。 在教学活动中,我们不光要注重交给学生理论知识,面对学困生不要一味地用同一种方法去教学,要尽可能想出一些巧妙既便于记忆的方法来,只要结果相同,教无定法。 二、将错就错倒减法。 例2:计算15 -8= 这是20 以内的退位减法,在教学生的过程中,我们老师一般教学程序如下:让学生把被减数15 分成10 和5,然后用10 去减8 还多出2,再与5 相加等于7,所以15-8=7,而且在练习的过程中教师都非常注重过程,还要让学生说说是怎样做的。这对一些成绩优秀的学生来说是小菜一碟,有的甚至已经能熟练地口算了。中等生一般都会一步一个脚印地跟着老师走,可想而知,速度会较优生慢许多。而对那些刚对20 以内加法有那么“一点点熟练”的小朋友来说无疑碰到了难题,他们往往是这样做的:个位上5 减8 不够减,他就倒过来8-5=3,所以把15 -8 的答案做成13。面对这样的后进生,教师更应设计好攻难坡度,多花时间耐心指导。以例2 为例,我尝试使用了“倒减法”:就是在学生

20以内加减法练习题(直接打印版)

20以内加减法口算练习题(一) 姓名:___ 时间:_____ 做对了_____题(共80题) 10+8=10+2=13+2=8+2+3=8+10=17-7=19-3=9+1+4= 10+8=3+11=7+3+5=; 18-8= 18-10=3+10=16-4=7+4+6=10+1=10+2=% 7+8+3= 19-4= 1+10=10+10=19-5=6+4+7=11-1=14-4=15-3=8+2+5= 18-8=10+4=5+4+6=' 11-10= 6+10=6+10=13-3=7+2+3= 3+4+10=16-6=10+9=@ 14-1= 16-10=8+10=10+2=11-1-5=10+3=13-3=13-3=17-7-3= 5+10=3+15=19-9+1=. 3+10= 13-3=16-10=18-8=15-5-7= 13-3-4=13-10=11-10=` 5+5=

10+5=13-10=4+6=18-10-4= 5+10=18-10=20-20=17-10-7= 10-10=12+4=14-10+5= , 10+8= 3+10=10+9=8-8=16-10+3= 20-10-7= 11-1=10-5=】 10+0= 20以内加减法练习题(二) 姓名:_______ 时间:_____ 做对了_____题(共100题) 9+1=8+7=8+4=9+7=9+7=7+9=8+5=6+6=6+5=: 8+2= 8+3=7+5=9+6=4+9=2+8=8+6=6+8=6+5=7+7=/ 2+9= 19-9=8+8=7+9=5+8=8+8=7+4=8+10=5+7=4+8=] 9+3= 8+4=8+5=7+4=8+7=8+6=7+7=5+7=4+8=7+6=\ 5+9= 8+6= 6+5= 9+2= 8+6= 3+9=

20以内加减法的技巧

20以内加减法的技巧 一、手指辅助延伸法。 例1:计算6+8= 我至今记得有这样一位小朋友,5以内的加减法很勉强能通过,10以内的就得靠他那10个手指头了.当我们教到20以内的加减法时他就束手无策了,无奈只好脱掉鞋子把自己的10个脚趾头也搬了上来.对于这样的学生,我起初真的也束手无策了,这样下去该如何是好,总得想出点办法来。看着自己的双手我也动了一番脑筋,于是我就把一只手看成是9,大拇指代表5,其他各指都代表1,另外一只手也是如此。 以例1计算6+8= 为例,计算像这样20以内的进位加法时,我就告诉他:左手拿出6(大拇指加食指),右手拿出8(大拇指加另3个手指),然后把两个大拇指合起来就是10(5+5=10),再数数还有几个手指(4个),那合起来就是十几了(14)。就这么反复的教了几遍后,这位小朋友就明白了我的意思,以后做20以内的进位加法速度也快多了,比以往手指、脚趾并用得心应手多了。计算20以内的进位加法都可以用这种方法来解决。 低年级学生尤其是一年级学生以具体形象思维为主要形式,对“一只手是5个手指头,两只手合起来是10个手指头.”这一概念在幼儿时期就已经形成在小朋友的大脑中了。我只是让他们把这一概念继续延续下去,两个大拇指一并就是10,然后数数还有几个手指就是十几.因

为我把20以内的进位加法转化成为10以内的加法和整十数加几的加法了,这对小朋友来说要比进位计算简便的多,所以学生计算速度大大 提高了。 后来,我也把这种方法教给了计算速度很一般的小朋友,他们的速度也有了大大提高。 在教学活动中,我们不光要注重交给学生理论知识,面对学困生不要一味地用同一种方法去教学,要尽可能想出一些巧妙既便于记忆的方法来,只要结果相同,教无定法. 二、将错就错倒减法。 例2:计算 15-8= 这是20以内的退位减法,在教学生的过程中,我们老师一般教学程序如下:让学生把被减数15分成10和5,然后用10去减8还多出2,再与5相加等于7,所以15-8=7,而且在练习的过程中教师都非常注重过程,还要让学生说说是怎样做的.这对一些成绩优秀的学生来说 是小菜一碟,有的甚至已经能熟练地口算了.中等生一般都会一步一个脚印地跟着老师走,可想而知,速度会较优生慢许多。而对那些刚对20以内加法有那么“一点点熟练”的小朋友来说无疑碰到了难题,他们往往是这样做的:个位上5减8不够减,他就倒过来8-5=3,所以把15-8的答案做成13.面对这样的后进生,教师更应设计好攻难坡度,多花时间耐心指导.以例2为例,我尝试使用了“倒减法”:就是在学生

20以内加减法训练题(3800道)(直接打印_每页100题).docx

2+18=18-6=16-1=2+12= 5+11=17-7=5+1=10-1= 12+5=11-2=15+1=19-11= 10+9=16-7=2+15=16-15= 15+3=9-4=20-1=6+8= 2+5=11-10=2+6=10+1= 13+4=20-1=2+7=15-12= 1+2=20-3=17-16=9+1= 19-6=5+2=14-1=13+7= 19-4=3+5=17+3=14+3= 3+8=8+4=4+12=1+5= 1+14=9-8=19-18=6+13= 13-3=3+14=14+3=13+5= 10+2=2+5=17-3=3+7= 12-8=9-4=20-13=17-1= 12+3=5+6=13+6=6+7= 5+2=7+7=12-11=5+8= 15-5=20-1=18-12=7+1= 20-6=8+6=3+13=1+19= 11+6=2+10=7+13=10-2= 17-16=1+8=14+2=1+12= 9+5=11-10=3+3=8+2= 8+12=3+17=8+4=1+4= 2-1=9+9=19-5=20-18= 8+7=20-3=17-10=5+6=

1+16=9+1=9+10=6+14= 10-2=18-17=8-6=9+6= 18-8=13+2=19-12=17-12= 7-5=16-4=11+9=2+12= 13-1=16-8=15-8=19-16= 2+8=14+3=3+4=15+5= 19-4=5-1=19-10=7-1= 19-17=6+13=11-3=20-15= 20-1=10+4=7-6=19-16= 6-3=5+8=20-19=1+8= 11+7=9+7=9-1=17-9= 17-7=18-4=14-13=14+3= 5+13=13-2=6-1=15-2= 10-1=12-2=9+5=13-1= 3+5=12+8=11+7=16-5= 18-13=15-5=4+5=13+4= 6+7=12-1=7-2=5+3= 5-2=15+5=12+1=19-16= 4+12=14-6=7+8=16-6= 3+7=11-9=13-7=19-18= 3+6=20-9=1+18=4+11= 7+13=1+7=13+2=17-8= 17-7=2+5=3-2=7+10= 16-10=5+6=11-10=18-16= 14-2=18-2=11+7=10-8=

20以内加减法计算题(100道每题 共3500道)

17+3= 18-6= 16-1= 2+12= 5+11= 17-7= 5+1= 10-1= 12+5= 11-2= 15+1= 19-11= 10+9= 16-7= 2+15= 16-15= 15+3= 9-4= 20-1= 6+8= 2+5= 11-10= 2+6= 10+1= 13+4= 20-1= 2+7= 15-12= 1+2= 20-3= 17-16= 9+1= 19-6= 5+2= 14-1= 13+7= 19-4= 3+5= 17+3= 14+3= 3+8= 8+4= 4+12= 1+5= 1+14= 9-8= 19-18= 6+13= 13-3= 3+14= 14+3= 13+5= 10+2= 2+5= 17-3= 3+7= 12-8= 9-4= 20-13= 17-1= 12+3= 5+6= 13+6= 6+7= 5+2= 7+7= 12-11= 5+8= 15-5= 20-1= 18-12= 7+1= 20-6= 8+6= 3+13= 1+19= 11+6= 2+10= 7+13= 10-2= 17-16= 1+8= 14+2= 1+12= 9+5= 11-10= 3+3= 8+2= 8+12= 3+17= 8+4= 1+4= 2-1= 9+9= 19-5= 20-18= 8+7= 20-3= 17-10= 5+6=

1+16= 9+1= 9+10= 6+14= 10-2= 18-17= 8-6= 9+6= 18-8= 13+2= 19-12= 17-12= 7-5= 16-4= 11+9= 2+12= 13-1= 16-8= 15-8= 19-16= 2+8= 14+3= 3+4= 15+5= 19-4= 5-1= 19-10= 7-1= 19-17= 6+13= 11-3= 20-15= 20-1= 10+4= 7-6= 19-16= 6-3= 5+8= 20-19= 1+8= 11+7= 9+7= 9-1= 17-9= 17-7= 18-4= 14-13= 14+3= 5+13= 13-2= 6-1= 15-2= 10-1= 12-2= 9+5= 13-1= 3+5= 12+8= 11+7= 16-5= 18-13= 15-5= 4+5= 13+4= 6+7= 12-1= 7-2= 5+3= 5-2= 15+5= 12+1= 19-16= 4+12= 14-6= 7+8= 16-6= 3+7= 11-9= 13-7= 19-18= 3+6= 20-9= 1+18= 4+11= 7+13= 1+7= 13+2= 17-8= 17-7= 2+5= 3-2= 7+10= 16-10= 5+6= 11-10= 18-16= 14-2= 18-2= 11+7= 10-8=

一年级数学练习题_20以内加减法口算题(4000道)直接打印版

100道口算题(20以内纯进位、退位) 班级: 姓名: 得分: 用时: 7+7= 7+5= 8+10= 7+3= 5+8= 20-4= 19-4= 15+2= 16-7= 8+5= 20-6= 1+18= 1+13= 15-5= 20-3= 2+17= 8+8= 12-3= 1+16= 20-1= 1+9= 4+14= 14+2= 18-10= 3+16= 1+14= 1+11= 10+5= 19-12= 2+14= 5+3= 10+8= 13-3= 20-1= 12-5= 15+3= 8+3= 2+11= 1+7= 16+2= 17+2= 18+2= 4+16= 12-2= 4+3= 20-2= 6+10= 11+8= 2+18= 9+10= 8+6= 13-4= 3+14= 5+4= 19-1= 7+1= 13-2= 8-1= 16-9= 15+5= 5+5= 10-2= 15+4= 13-5= 6+6= 5+6= 10-3= 17-1= 15-7= 18-2= 6+8= 10+10= 1+12= 2+16= 10+7= 7+7= 5+8= 8+5= 20-3= 2+17= 15-12+16= 13-4+11= 2+16-6= 5+4+10= 16-7+9= 10+5-2= 15+4-7= 15-2+4= 18-9-5= 20-9+5= 5-1-4= 18-7-5= 12+2-12= 14-14+19= 2+2+15= 1+12-7= 17-17+17= 19-7+5= 5+3+7= 17-6+6= 100道口算题(20以内纯进位、退位) 班级: 姓名: 得分: 用时: 8+8= 12-5= 16+2= 4+3= 20-2= 9+10= 19-1= 15+5= 6+6= 5+6= 18-2= 10+7= 7+5= 8+10= 7+3= 20-4= 19-4= 15+2= 16-7= 8+5= 20-6= 1+18= 1+13= 7+3= 15-5= 2+17= 8+8= 12-3= 1+16= 20-1= 1+9= 4+14= 14+2= 18-10= 3+16= 1+14= 1+11= 10+5= 19-12= 2+14= 5+3= 10+8= 13-3= 20-1= 12-5= 15+3= 8+3= 2+11= 1+7= 16+2= 17+2= 18+2= 4+16= 12-2= 4+3= 20-2= 6+10= 11+8= 2+18= 9+10= 8+6= 13-4= 3+14= 5+4= 19-1= 7+1= 13-2= 8-1= 16-9= 15+5= 5+5= 10-2= 15+4= 13-5= 6+6= 5+6= 10-3= 17-1= 15-7= 18-2= 1+12-7= 4-1+8= 15+3-10= 19-11+8= 20-3-15= 10+10-4= 10-7-1= 20-8+1= 2+1+12= 2+3+11= 15-5-10= 6+8-12= 16+2-7=

一年级数学:8.2 20以内数的认识及加减法练习题及答案

20以内数的认识及加减法 夯实基础,才能有所突破…… 1. 看图写数。 2. 走进知识宫。 (1)1个十和9个一合起来是( )。 (2)与17相邻的两个数是( )和( )。 (3)十位上是1,个位上的数字比十位上的数字多5,这个数是( )。 (4)比12少2的数是( ),比12多5的数是( )。 (5)14后面的第3个数是( ),前面的第3个数是( )。 (6)01120178144 上面一共有( )个数。从左往右数,排在第3的数是( );从右往左数,17排在第( ),将上面的这些数按从小到大的顺序排列是: ________________________________________________________________________。 (7)找规律填数。 ①()、19、( )、17、16、( )、( ) ②10、12、( )、( )、18、( ) ③20、15、( )、( )、0 ④17、14、11、( )、( )、( ) 学习用品铅笔练习本橡皮小尺小刀 原有5支11块5把 又买来10支8个6块5个 现在有18个16个10把 3、填写表格。

4. 在里填上”>””<”或”=”。 6+74+8 3+99+3 6+915-0 14-36+5 7+98+5 12+610+9 14+616-0 8+87+9 5. 这是一座由课内通向课外的桥梁…… 6. 在括号里填上合适的数。 5+( )=12 19-( )=10 ( )+12=19 17-( )=10 5+( )=14 8+( )=11 9+( )=15

6+( )=14 7. 看图列式。 (1) =(个) (2) =(本) (3) =(本) (4) =(个) 8. 下面的蜡笔中,有两盒是小明的。小明最少有多少枝蜡笔?最多有多少枝? 9. 智慧方舟。w ww.

20以内加减法练习题打印版.doc

10 + 8 = 10 + 2 = 134-2 = 8+2+3= 8 + 10 = 17-7 = 19-3 = 9+1+4= 18-8 = 10 + 8 = 3 + 11 = 7+3+5= 18-10 = 3 + 10 = 16-4 = 7+4+6= 10 + 1 = 10 + 2 = 19-4 = 7+8+3= 1+10 = 10 + 10 = 19-5 = 6+4+7= 11 -1 = 14-4 = 15-3 = 8+2+5= 11-10 = 18-8 = 10 + 4 = 5+4+6= 6 + 10 = 6 + 10 = 13-3 = 7+2+3= 16-6 = 10 + 9 = 14-1 = 3+4+10= 16-10 = 8 + 10 = 104-2 = 11-1 -5 = 10 + 3 = 13-3 = 13-3 = 17-7-3= 3 + 10 = 5 + 10 = 3 + 15 = 19-9+1= 13-3 = 16-10 = 18-8 = 15-5-7= 13-10 = 11-10 = 5 + 5 = 13-3-4= 10 + 5 = 13-10 = 4 + 6 = 18-10-4 = 5 + 10 = 18-10 = 20-20 = 17-10-7 = 10 + 8 = 10-10 = 12 + 4 = 14-10 + 5 = 3 + 10 = 10 + 9 = 8-8 = 16-10 + 3 = 11 -1 = 10-5 = 10 + 0 = 20-10-7 =

姓名:__________ 时间: _________ 做对了_________ 题(共100题) 9 + 1 = 8 + 7 = 8 + 4 = 9 + 7 = 9 + 7 = 8 + 2 = 7 + 9 = 8 + 5 = 6 + 6 = 6 + 5 = 8 + 3 = 7 + 5 = 9 + 6 = 4 + 9 = 2 + 8 = 2 + 9 = 8 + 6 = 6 + 8 = 6 + 5 = 7 + 7 = 19-9 = 8 + 8 = 7 + 9 = 5 + 8 = 8 + 8 = 9 + 3 = 7 + 4 = 8 + 10 = 5 + 7 = 4 + 8 = 8 + 4 = 8 + 5 = 7 + 4 = 8 + 7 = 8 + 6 = 5 + 9 = 7 + 7 = 5 + 7 = 4 + 8 = 7 + 6 = 8 + 6 = 6 + 5 = 9 + 2 = 8 + 6 = 3 + 9 = 4 + 9 = 1 +9= 7 + 8 = 7 + 10= 5 + 9= 5 + 9 = 7 + 3 = 9 + 8 = 2 + 8 = 3 + 8 = 6 + 9 = 6 + 7 = 9 4-2 = 10-9 = 6 + 4 = 7 + 9 = 5 + 6 = 8 + 3 = 2 + 10 = 7 + 2 = 8 + 9= 8-5 = 6 + 7 = 9 + 8 = 6 + 9 = 9 + 0 = 10-7 = 8 + 4 = 6 + 3 = 6 + 8 = 5 + 8 = 6 + 7 = 1 4-9 = 104-4 = 5 + 10 = 8 + 9 = 2 + 9 = 10-5 = 6 + 8 = 13-3 = 9 + 9 = 9 + 4 = 9 + 5 = 9 + 3 = 3 + 8 = 9 + 3 = 5 + 9 = 8 + 2 = 7 + 4 = 6 + 7 =

一年级数学20以内加减法口算题(100道,完整版)

20以内纯进位、退位计算题 8+8= 12-5= 16+2= 4+3= 20-2= 9+10= 19-1= 15+5= 6+6= 5+6= 18-2= 10+7= 7+5= 8+10= 7+3= 20-4= 19-4= 15+2= 16-7= 8+5= 20-6= 1+18= 1+13= 7+3= 15-5= 2+17= 8+8= 12-3= 1+16= 20-1= 1+9= 4+14= 14+2= 18-10= 3+16= 1+14= 1+11= 10+5= 19-12= 2+14= 5+3= 10+8= 13-3= 20-1= 12-5= 15+3= 8+3= 2+11= 1+7= 16+2= 17+2= 18+2= 4+16= 12-2= 4+3= 20-2= 6+10= 11+8= 2+18= 9+10= 8+6= 13-4= 3+14= 5+4= 19-1= 7+1= 13-2= 8-1= 16-9= 15+5= 5+5= 10-2= 15+4= 13-5= 6+6= 5+6= 10-3= 17-1= 15-7= 18-2= 1+12-7= 4-1+8= 15+3-10= 19-11+8= 10+10-4= 10-7-1= 20-8+1= 2+1+12= 2+3+11= 15-5-10= 6+8-12= 16+2-7= 2+17-9= 2+18-5= 20-19+13= 8-6+6= 20-17+13= 5+3-4= 1+11-4= 8-8+5= 20以内纯进位、退位计算题 7+7= 7+5= 8+10= 7+3= 5+8= 20-4= 19-4= 15+2= 16-7= 8+5= 20-6= 1+18= 1+13= 15-5= 20-3= 2+17= 8+8= 12-3= 1+16= 20-1= 1+9= 4+14= 14+2= 18-10= 3+16= 1+14= 1+11= 10+5= 19-12= 2+14= 5+3= 10+8= 13-3= 20-1= 12-5=

20以内加减法练习题

20以内加减法口算练习题(一)姓名:___ 时间:_____ 做对了_____题(共80题)10+8=10+2=13+2=8+2+3= 8+10=17-7=19-3=9+1+4= 18-8=10+8=3+11=7+3+5= 18-10=3+10=16-4=7+4+6= 10+1=10+2=19-4=7+8+3= 1+10=10+10=19-5=6+4+7= 11-1=14-4=15-3=8+2+5= 11-10= 18-8=10+4=5+4+6= 6+10=6+10=13-3=7+2+3= 16-6=10+9=14-1=3+4+10= 16-10=8+10=10+2=11-1-5= 10+3=13-3=13-3=17-7-3= 3+10=5+10=3+15=19-9+1= 13-3=16-10=18-8=15-5-7= 13-10=11-10=5+5=13-3-4= 10+5=13-10=4+6=18-10-4= 5+10=18-10=20-20=17-10-7= 10+8=10-10=12+4=14-10+5= 3+10= 10+9=8-8=16-10+3= 11-1=10-5=10+0=20-10-7=

姓名:_______ 时间:_____ 做对了_____题(共100题) 9+1=8+7=8+4=9+7=9+7= 8+2=7+9=8+5=6+6=6+5= 8+3=7+5=9+6=4+9=2+8= 2+9=8+6=6+8=6+5=7+7= 19-9=8+8=7+9=5+8=8+8= 9+3=7+4=8+10=5+7=4+8= 8+4=8+5=7+4=8+7=8+6= 5+9=7+7=5+7=4+8=7+6= 8+6=6+5=9+2=8+6=3+9=4+9=1+9= 7+8=7+10= 5+9= 5+9=7+3=9+8=2+8=3+8=6+9=6+7=9+2=10-9=6+4= 7+9=5+6=8+3=2+10=7+2= 8+9= 8-5=6+7=9+8=6+9= 9+0=10-7=8+4=6+3=6+8=5+8=6+7=1+9=10+4=5+10=8+9=2+9=10-5=6+8=13-3=9+9=9+4=9+5=9+3=3+8= 9+3=5+9=8+2=7+4=6+7= 3+8=9+5=9+3=8+3=5-4=

一年级20以内加减法混合数学口算题100道(附答案)

20以内加减混合计算题 100道用时:错误: 3 + 13 + 0 = 19 - 2 - 13 = 15 - 8 + 7 = 6 + 1 4 - 8 = 10 + 4 - 12 = 12 - 6 + 11 = 4 - 0 + 5 = 19 - 0 - 10 = 5 + 6 + 3 = 16 - 8 + 6 = 18 - 13 + 8 = 3 + 12 - 13 = 1 + 13 + 4 = 11 + 1 + 6 = 14 - 1 - 1 = 2 - 2 + 5 = 12 + 1 - 5 = 10 - 9 + 1 = 7 - 2 - 0 = 14 - 3 + 4 = 17 - 10 + 6 = 12 - 1 - 9 = 5 + 4 + 4 = 14 - 5 + 4 = 13 - 11 + 13 = 5 - 2 - 1 = 4 + 2 - 5 = 2 + 4 + 8 = 2 + 2 + 8 = 2 + 7 + 11 = 12 - 8 + 11 = 0 + 5 + 15 = 17 + 3 - 0 = 10 - 9 + 18 = 15 + 5 - 4 = 15 - 3 - 4 = 9 - 8 + 19 = 19 - 18 + 10 = 13 - 4 - 8 = 5 + 10 - 13 = 9 + 1 + 10 = 12 + 4 - 12 = 4 + 4 - 4 = 5 + 9 + 6 = 14 + 1 - 5 = 10 - 6 + 12 = 16 - 16 + 15 = 19 + 0 - 13 = 12 - 3 - 8 = 4 + 0 - 2 = 7 + 5 + 3 = 12 - 3 + 5 = 17 - 5 + 0 = 6 + 7 - 6 = 13 - 0 - 2 = 9 - 6 + 16 = 5 + 0 - 1 = 4 + 2 + 1 = 6 - 4 + 0 = 15 + 3 + 1 =

20以内加减法计算题(100道每题共3500道)88697

20以内加减法口算题(练习) 17+3= 18-6= 16-1= 2+12= 5+11= 17-7= 5+1= 10-1= 12+5= 11-2= 15+1= 19-11= 10+9= 16-7= 2+15= 16-15= 15+3= 9-4= 20-1= 6+8= 2+5= 11-10= 2+6= 10+1= 13+4= 20-1= 2+7= 15-12= 1+2= 20-3= 17-16= 9+1= 19-6= 5+2= 14-1= 13+7= 19-4= 3+5= 17+3= 14+3= 3+8= 8+4= 4+12= 1+5= 1+14= 9-8= 19-18= 6+13= 13-3= 3+14= 14+3= 13+5= 10+2= 2+5= 17-3= 3+7=

12-8= 9-4= 20-13= 17-1= 12+3= 5+6= 13+6= 6+7= 5+2= 7+7= 12-11= 5+8= 15-5= 20-1= 18-12= 7+1= 20-6= 8+6= 3+13= 1+19= 11+6= 2+10= 7+13= 10-2= 17-16= 1+8= 14+2= 1+12= 9+5= 11-10= 3+3= 8+2= 8+12= 3+17= 8+4= 1+4= 2-1= 9+9= 19-5= 20-18= 8+7= 20-3= 17-10= 5+6= 20以内加减法口算题(练习) 1+16= 9+1= 9+10= 6+14= 10-2= 18-17= 8-6= 9+6= 18-8= 13+2= 19-12= 17-12=

13-1= 16-8= 15-8= 19-16= 2+8= 14+3= 3+4= 15+5= 19-4= 5-1= 19-10= 7-1= 19-17= 6+13= 11-3= 20-15= 20-1= 10+4= 7-6= 19-16= 6-3= 5+8= 20-19= 1+8= 11+7= 9+7= 9-1= 17-9= 17-7= 18-4= 14-13= 14+3= 5+13= 13-2= 6-1= 15-2= 10-1= 12-2= 9+5= 13-1= 3+5= 12+8= 11+7= 16-5= 18-13= 15-5= 4+5= 13+4= 6+7= 12-1= 7-2= 5+3= 5-2= 15+5= 12+1= 19-16=

20以内加减法练习题

(一)口算大练兵 1)6+4= 22)7+5= 43)8+10= 64)7+3= 85)5+8= 1)7+9= 2)10-4= 23)19-4= 44) 15+2= 65)16-5= 86)8+5= 2)6+8= 3)10-6= 24)1+18= 45)1+13= 66)15-5= 87)20-3= 3)18-6= 4)2+8= 25)8+8= 46)12-2= 67)1+16= 88)20-1= 4)17-2= 5)1+9= 26)4+14= 47)14+2= 68)18-10= 89)3+16= 5)5+8= 6)3+7= 27)1+11= 48)10+5= 69)19-12= 90)2+14= 6)9+5= 7)5+5= 28)10+8= 49)13-3= 70)20-1= 91)12-2= 7)14+6= 8)7+3= 29)8+3= 50)2+11= 71)1+7= 92)16+2= 8)18-7= 9)8+2= 30)18+2= 51)4+16= 72)12-2= 93)4+3= 9)4+16= 10)10-2= 31)6+10= 52)11+8= 73)2+18= 94)9+10= 10)19-7= 11)5+5= 32)13-3= 53)3+14= 74)5+4= 95)19-1= 11)13+6= 12)7+1= 33)13-2= 54)8-1= 75)16-4= 96)15+5= 12)8+9= 13)5+7= 34)10-2= 55)15+4= 76)13-2= 97)6+6= 13)13+5= 14)5+6= 35)10-3= 56)17-1= 77)15-4= 98) 18-2= 14)14-4= 15)6+8= 36) 10+10= 57)1+12= 78)2+16= 99)10+7= 15)16-6= 16)7+7= 37)5+8= 58)8+5= 79)20-3= 100)2+17= 16)5+15= 17)15-()= 10 38)13+( )= 20 59)2+( )=11 80)()+10= 19 18)16-()= 10 39)10+( )= 15 60)15-( )= 10 81)()-2=6 19)18-()= 10 40)20-( )= 12 61)5+( )= 13 82)()-7=10 20)()+2= 12 41)14+( )=20 62)( )+15= 20 83)()-11=6 21)()-17= 3 42)19-( )= 15 63)( )+7= 12 84)()+6= 12

20以内加减运算题目(100道)

姓名:日期:时间开始:完成: 【说明:二个数,加减运算,计算题, 20以内含进位加法, 10以内含退位减法】 1. 4 - 4 =( ) 2. 3 + 17 =( ) 3.17 + 1 =( ) 4. 4 - 2 =( ) 5. 4 - 1 =( ) 6. 3 + 17 =( ) 7. 1 + 13 =( ) 8.7 - 7 =( ) 9.9 - 2 =( ) 10. 6 - 5 =( ) 11. 5 - 1 =( ) 12. 2 - 1 =( ) 13.7 + 4 =( ) 14. 3 - 2 =( ) 15.8 - 4 =( ) 16. 5 - 1 =( ) 17. 6 - 2 =( ) 18.10 + 5 =( ) 19.14 + 5 =( ) 20. 3 + 2 =( ) 21. 4 - 1 =( ) 22.8 - 5 =( ) 23. 5 - 4 =( ) 24. 6 - 6 =( ) 25. 6 - 2 =( ) 26.13 + 5 =( ) 27. 3 + 14 =( ) 28.7 - 2 =( ) 29. 2 + 17 =( ) 30. 6 + 9 =( ) 31.13 + 1 =( ) 32. 1 - 1 =( ) 33.9 - 4 =( ) 34.10 + 3 =( ) 35. 6 + 14 =( ) 36. 3 + 13 =( ) 37.10 + 8 =( ) 38.7 - 4 =( ) 39. 1 + 6 =( ) 40. 1 - 1 =( ) 41.7 - 4 =( ) 42. 1 + 19 =( ) 43. 3 - 2 =( ) 44.15 + 2 =( ) 45. 1 - 1 =( ) 46.9 - 6 =( ) 47. 1 + 5 =( ) 48.11 + 3 =( ) 49.7 - 6 =( ) 50. 6 - 1 =( ) 51. 4 - 3 =( ) 52.10 + 10 =( ) 53.9 - 4 =( ) 54.10 + 3 =( ) 55. 6 - 5 =( ) 56. 4 - 2 =( ) 57.10 + 3 =( ) 58. 5 - 1 =( ) 59. 2 - 2 =( ) 60.9 - 9 =( ) 61. 2 - 1 =( ) 62. 2 - 1 =( ) 63.18 + 1 =( ) 64. 6 - 5 =( ) 65.7 - 7 =( ) 66.13 + 1 =( ) 67. 1 + 19 =( ) 68. 6 + 6 =( ) 69. 4 + 3 =( ) 70.7 - 1 =( ) 71.9 - 3 =( ) 72.8 - 3 =( ) 73. 5 - 4 =( ) 74. 5 - 1 =( ) 75.14 + 1 =( ) 76. 2 - 1 =( ) 77. 4 - 3 =( ) 78.9 - 4 =( ) 79. 3 + 15 =( ) 80. 1 - 1 =( ) 81. 4 - 3 =( ) 82. 2 - 1 =( ) 83. 4 + 4 =( ) 84.8 - 6 =( ) 85. 5 + 6 =( ) 86.15 + 1 =( ) 87.16 + 1 =( ) 88. 2 - 1 =( ) 89. 1 - 1 =( ) 90.9 - 4 =( ) 91. 6 - 5 =( ) 92. 6 + 14 =( ) 93.19 + 1 =( ) 94. 1 - 1 =( ) 95. 1 - 1 =( ) 96. 5 - 2 =( ) 97. 6 - 5 =( ) 98. 2 - 1 =( ) 99. 3 - 3 =( ) 100.9 - 6 =( )

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