《20以内的退位减法》同步检测1
一年级数学下册《第2单元 20以内的退位减法》单元测试卷+答案解析

人教新版一年级下册《第2单元20以内的退位减法》单元测试卷一.选择题(共5题,共10分,每题2分)1.(2分)14﹣9﹣1=()A.1B.2C.3D.42.(2分)十几减6的减法,得数就是被减数的个位数加上()A.2B.3C.43.(2分)一年级有15名同学玩捉迷藏游戏,已经捉住了9名,还剩()名没有捉住.A.6B.5C.44.(2分)16﹣7=()A.7B.8C.9D.235.(2分)王老师布置了12道口算题,小华已做了8道.他还要做多少道?列式计算正确的是()A.12﹣4=8(道)B.12﹣8=4(道)C.12+8=20(道)D.4+8=12(道)二.判断题(共5题,共10分,每题2分)6.(2分)小白兔有20个萝卜,小灰兔有17个萝卜,小白兔比小灰兔多4个萝卜。
(判断对错)7.(2分)比8大3的数是5.(判断对错)8.(2分)9+3=12,所以12﹣9=3。
(判断对错)9.(2分)有13个小朋友跳绳,每个小朋友需要一根跳绳,现在有5根跳绳,还需要7根。
(判断对错)10.(2分)小白兔有16个萝卜,它吃了9个,还剩下6个。
(判断对错)三.填空题(共5题,共12分)11.(1分)一盒笔有15支,拿走了一些后,还剩9支,拿走了支。
12.(4分)在横线上填上合适的数。
8+=87﹣=29﹣=210﹣=415﹣=109﹣=710﹣=65+=7 13.(2分)猜一猜,横线上面是几?12﹣=611﹣=8﹣7=56+=13 14.(2分)在横线上填上合适的数。
9+5=7+9+=178+=16+9=18 15.(3分)我帮“>”“<”或“=”找位置。
11﹣9513﹣4614﹣813﹣7 15﹣7412﹣6816﹣815﹣7四.计算题(共3题,共26分)16.(7分)看图列式。
17.(15分)算一算。
8+11=5+11=5+8=15+3=1+14=6+11=12+5=3+8=5+4=3+6=5+13=16﹣5=18﹣4=4+8=16﹣2=五.作图题(共3题,共25分)18.(8分)连一连。
一年级数学下册第二单元知识点精讲,带同步练习题和答案

第二单元《20以内的退位减法》1、单元目标(1)借助操作、画图等方式,理解20以内退位减法的算理,掌握20以内退位减法的基本方法,能熟练、准确地口算20以内的退位减法。
这个单元结束的时候达到每分钟做8题。
(2)初步学会用加法和减法解决简单的实际问题。
(3)体验数学与日常生活的密切联系,感受数学在日常生活中的作用。
2、课时划分第1课时内容:例1(教材第8---12页)第1课时核心问题:① 数——数图中一共有多少个气球,数小朋友手中有多少个气球等;② 想——想一想小丑手中有多少个气球,卖了多少个气球?③ 问——提出一个数学问题;④ 说——将条件和问题完整地说一说;⑤ 写——写出算式。
⑥ 摆——用学具摆一摆,体现15-9的计算过程;⑦ 画——画一画点子图,表示15-9的计算过程;⑧ 谈——谈谈书上这两个小朋友的计算思考过程(破十法、想加算减法)。
练习和作业安排:尝试完成第10页的做一做,练习二的习题,有疑问或困难的题目做好标注。
第2课时内容:例2(教材第13-14页)第2课时核心问题:① 观察、思考:图中告诉我们哪些数学信息?② 列式、操作:能将自己的想法用学具摆出来或画出来吗?③ 观察、比较:将“破十法”与“想加算减法”进行比较,感受哪一种方法更加便捷?你更喜欢“破十法”还是“想加算减法”?练习和作业安排:尝试完成第13页的做一做,练习三的习题1、2,有疑问或困难的题目做好标注。
第3课时内容:例3(教材第14页)第3课时核心问题:①观察、思考:图中告诉我们哪些数学信息?可以从不同角度进行观察,获得不同数学信息,提出不同的数学问题;②列式、操作:一些事物分成两部分,去掉其中的一部分,就等于剩下的另一部分了。
观察的角度不同,获取的信息就不同,列出的算式也不同。
列出不同的算式后,想想结果是多少?你是怎么想的?③观察、比较:将“破十法”与“想加算减法”进行比较,感受哪一种方法更加便捷?你更喜欢“破十法”还是“想加算减法”?练习和作业安排:尝试完成第14页的做一做;第15-16页,练习三3-10题,有疑问或困难的题目做好标注。
20以内的退位减法-第1节-十几减9习题(带答案)-数学一年级下第二章人教版

第二章 20以内的退位减法第1节十几减9附参考答案一、正确计算9+5= 18-9= 12-9= 16-9=11-9= 7+9= 15-9= 3+9=9+8= 7+6= 13-9= 14-9=二、在○里填上“>”、“<”或“=”15○20 3○11-9 4○15-9 10○8+5 10○20 17-2○17-7 18-9○10 5+4○15-9 12○3+9 18○12+7 17-9○6+2 3+6○6+3三、把两个数的差, 填入箭头指的方格里四、根据题意填一填五、看图完成下题1.2.圈一圈,算一算3.算一算= =六、应用题1.树上有17只鸟,飞走了9只,还有几只?2.有16人要来踢球,来了9人,还有几人没来?3.有12根小棒,拿走了9根,还剩几根?4.操场上站着一排同学一共有13人,小红的左边有9人,小红的右边有几人?5.17个同学在玩老鹰捉小鸡的游戏,已经捉住了9人,还有几人没捉住?【参考答案】一、14 9 3 72 16 6 1217 13 4 5二、< > < << > < >= < = =三、4 6 8 3 7 5四、12-9=3五、1.二班篮球6个,一共有足球15个;还剩4个苹果,原来有梨16个。
2. 33. 15-9=6 17-9=8六、1.17-9=8(只)答:还有8只。
2.16-9=7(人)答:还有7人没来。
3.12-9=3(根)答:还剩3根。
4.13-9-1=3(人)答:小红右边有3人。
5.17-9-1=7(人)答:还有7人没捉住。
人教版一年级数学下册第2单元《20以内的退位减法》专项精品试卷 附答案

人教版一年级数学下册单元培优测试卷第2单元20以内的退位减法一、认真审题,填一填。
(每空1分,共25分)1.口算14-7,我们可以这样想:先算( )-7=3,再算3+ ( )=( )。
2.有13个,有9个。
比多( )个。
3.□里最大填几?12-□>5 8+□<17 14-□>74.在( )里填上合适的数。
( )+8=14 ( )-6=12 ( )-8=87+( )=15 11-( )=5 17-( )=95.写出4道差是8的退位减法算式:__________、__________、__________、__________。
6.下面每组算式的得数相同,请你在括号里填上合适的数。
二、细心的你,算一算,比一比。
(共23分)1.在○里填上“>”“<”或“=”。
(每小题1分,共6分)11-7○5 13-9○4 14-7○612-7○15-9 16-7○12-4 11-6○13-8 2.看谁算得又对又快。
(每小题1分,共12分)3.排一排。
(每空1分,共5分)三、先填一填,再根据加法算式写两道减法算式。
(每组3分,共 9分)四、小猫钓的可能是哪两条鱼?(连一连)(3分)五、看图列式计算。
(每小题2分,共4分)六、根据给出的算式找到对应的问题。
(连一连)(6分)七、文具店。
(填一填)(6分)八、聪明的你,答一答。
(共24分)1.果园里的梨花和桃花一共开了16朵。
(1)梨花开了9朵,桃花开了多少朵?(3分)(2)一阵风后,还剩8朵,吹落了几朵花?(3分)2.还有几人没有来?(3分)3.抢红包。
(1)天天比同同少抢几元?(3分)(2)同同比聪聪多抢几元?(3分)(3)请你再提出一个数学问题,并解答。
(3分)4.选出有关系的两个信息,提出问题并解答。
(6分)①有15人准备乘车去公园。
②还有8人没有上车。
③去公园的人中有6个小孩。
可以选( )号和( )号信息,提出的问题是___________________________________________________?算式是______________________________________________。
一年级下数学同步测试-20以内的退位减法(含答案解析)-人教新课标

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《20以内的退位减法》同步试题一、填空1.先圈一圈,再算一算。
15 - 6 = ( )考查目的:利用直观图圈一圈,展现“破十”的过程和方法,帮助学生理解算理和掌握“破十法”。
答案:9。
解析:根据题意,先圈10个中的6个,剩余的4与右边的5个图形组成9。
2.考查目的:利用直观图呈现用加法算式引出减法算式,掌握“想加算减法”的计算方法。
答案:12,3,13,4。
解析:对照直观图“想加算减法”,与一年级上册一图几式的呈现方式相呼应,便于学生理解。
3.想:14分成10和(),10—9=(),()+()=(),所以14—9=()。
考查目的:注重学生思考过程,以分步计算的方式,展现“破十”和口算过程。
答案:4,1,4,1,5,5。
解析:将思维过程具体化,充分感知“破十法”,理解算理。
4.考查目的:加减混合运算试题,培养学生灵活计算的能力。
答案:7,8,15,3,6,2,9,10,5,18。
解析:按从左往右的顺序依次计算。
对于一年级的学生建议将先算出的得数写在算式下面,再和后面的数进行计算,养成好的计算习惯。
5.()○()=()()○()=()考查目的:能根据情境图寻求解决问题的方法,完整地列式解答。
答案:12-9=3,11-9=2。
解析:题1用总数12去掉右边外面的9个,得到左边盒子里3个;题2用总数11减去圈出的9个就得外面剩下的2个。
培养学生看图找所需条件及表达能力。
二、选择1.比较大小13-6○15-8。
A.﹥B.<C.﹦2.6+□=14。
A.5B.8C.73.得数是8的算式是()。
A.13-7B.18-9C.15-74.12比8多(),8比12少()。
20以内退位减法测试题(50套)

20以内退位减法口算检测1(1)学号姓名成绩14 - 8 = 11 - 2 = 15 - 8 = 12 - 3 = 10 - 2 = 14 - 5 = 10 - 1 = 11 - 9 = 10 - 8 = 16 - 8 = 11 - 5 = 11 - 7 = 13 - 9 = 12 - 7 = 13 - 8 = 14 - 9 = 11 - 3 = 12 - 6 = 16 - 9 = 14 - 7 = 12 - 5 = 14 - 6 = 17 - 9 = 15 - 6 = 12 - 9 = 10 - 6 = 12 - 4 = 15 - 7 = 16 - 7 = 10 - 5 = 15 - 9 = 11 - 6 = 17 - 8 = 11 - 8 = 13 - 4 = 10 - 3 = 10 - 7 = 13 - 5 = 18 - 9 = 13 - 6 =20以内退位减法口算检测1(2)学号姓名成绩17 - 9 = 10 - 5 = 12 - 3 = 15 - 8 = 10 - 1 = 11 - 9 = 11 - 7 = 15 - 9 = 11 - 8 = 12 - 9 = 14 - 9 = 12 - 8 = 13 - 6 = 17 - 8 = 16 - 7 = 10 - 2 = 12 - 6 = 13 - 9 = 11 - 2 = 15 - 6 = 10 - 8 = 12 - 4 = 14 - 6 = 11 - 4 = 10 - 9 = 14 - 5 = 14 - 8 = 13 - 7 = 11 - 5 = 13 - 8 =12 - 7 = 12 - 5 = 13 - 5 = 10 - 4 = 15 - 7 =13 - 4 = 16 - 8 = 18 - 9 = 10 - 3 = 10 - 7 =20以内退位减法口算检测1(3)学号姓名成绩11 - 8 = 15 - 7 = 11 - 6 = 12 - 3 = 10 - 8 = 13 - 4 = 11 - 3 = 14 - 9 = 11 - 4 = 16 - 9 = 13 - 8 = 13 - 7 = 13 - 9 = 15 - 6 = 11 - 7 = 15 - 9 = 14 - 6 = 16 - 7 = 15 - 8 = 11 - 5 = 10 - 6 = 13 - 5 = 18 - 9 = 16 - 8 = 12 - 5 = 12 - 6 = 17 - 8 = 14 - 8 = 12 - 4 = 14 - 7 = 10 - 4 = 12 - 7 = 12 - 8 = 11 - 9 = 10 - 7 = 10 - 9 = 11 - 2 = 10 - 5 = 12 - 9 = 17 - 9 =20以内退位减法口算检测1(4)学号姓名成绩15 - 9 = 10 - 6 = 12 - 9 = 17 - 8 = 13 - 6 = 11 - 4 = 16 - 8 = 14 - 7 = 13 - 9 = 15 - 8 = 15 - 7 = 14 - 6 = 11 - 6 = 11 - 9 = 16 - 7 = 10 - 1 = 16 - 9 = 12 - 4 = 11 - 7 = 12 - 5 = 12 - 3 = 13 - 8 = 13 - 5 = 13 - 7 = 14 - 5 = 12 - 6 = 10 - 7 = 11 - 8 = 13 - 4 = 11 - 5 = 15 - 6 = 18 - 9 = 17 - 9 = 10 - 2 = 11 - 3 = 14 - 8 = 10 - 5 = 10 - 8 = 11 - 2 = 14 - 9 =20以内退位减法口算检测1(5)学号姓名成绩14 - 5 = 12 - 5 = 16 - 8 = 14 - 7 = 13 - 7 = 10 - 3 = 11 - 5 = 18 - 9 = 13 - 9 = 11 - 4 = 10 - 5 = 12 - 3 = 15 - 6 = 14 - 8 = 13 - 8 = 15 - 8 = 17 - 9 = 17 - 8 = 16 - 9 = 14 - 6 = 12 - 7 = 11 - 9 = 11 - 6 = 14 - 9 = 13 - 6 =12 - 9 = 12 - 6 = 12 - 4 = 10 - 8 = 10 - 2 =13 - 5 = 10 - 4 = 12 - 8 = 11 - 2 = 10 - 7 = 11 - 3 = 15 - 7 = 10 - 6 = 11 - 8 = 13 - 4 =20以内退位减法口算检测1(6)学号姓名成绩13 - 9 = 17 - 8 = 10 - 3 = 10 - 7 = 11 - 2 = 10 - 2 = 12 - 6 = 12 - 8 = 10 - 1 = 16 - 8 = 14 - 8 = 11 - 6 = 10 - 9 = 14 - 7 = 11 - 9 = 13 - 6 = 12 - 4 = 15 - 7 = 14 - 6 = 10 - 4 = 13 - 5 = 15 - 8 = 16 - 7 = 11 - 3 = 11 - 4 = 11 - 7 = 15 - 6 = 10 - 5 = 14 - 9 = 18 - 9 = 13 - 8 = 10 - 8 = 12 - 5 = 11 - 5 = 12 - 9 = 12 - 3 = 13 - 4 = 15 - 9 = 10 - 6 = 12 - 7 =20以内退位减法口算检测1(7)学号姓名成绩10 - 2 = 16 - 9 = 12 - 4 = 12 - 8 = 13 - 9 = 15 - 9 = 11 - 5 = 10 - 8 = 17 - 9 = 15 - 8 = 17 - 8 = 15 - 6 = 12 - 9 = 14 - 8 = 13 - 4 = 10 - 7 = 14 - 5 = 11 - 9 = 11 - 8 = 10 - 6 = 12 - 5 = 14 - 6 = 10 - 4 = 12 - 6 = 13 - 6 =12 - 3 = 10 - 1 = 16 - 8 = 11 - 3 = 10 - 3 =13 - 7 = 13 - 8 = 14 - 7 = 11 - 4 = 11 - 7 = 13 - 5 = 10 - 9 = 10 - 5 = 11 - 6 = 15 - 7 =20以内退位减法口算检测1(8)学号姓名成绩12 - 7 = 10 - 7 = 13 - 7 = 16 - 8 = 11 - 4 =11 - 6 = 11 - 9 = 16 - 7 = 14 - 8 = 13 - 8 =12 - 9 = 14 - 9 = 15 - 9 = 17 - 9 = 10 - 3 = 12 - 3 = 11 - 2 = 12 - 5 = 15 - 8 = 14 - 7 =10 - 4 = 11 - 8 = 15 - 6 = 12 - 4 = 14 - 5 =11 - 7 = 16 - 9 = 10 - 5 = 12 - 6 = 10 - 2 = 13 - 9 = 12 - 8 = 14 - 6 = 11 - 5 = 13 - 5 = 15 - 7 = 11 - 3 = 13 - 4 = 10 - 9 = 18 - 9 =20以内退位减法口算检测1(9)学号姓名成绩16 - 8 = 11 - 9 = 14 - 5 = 11 - 7 = 13 - 7 = 15 - 9 = 11 - 6 = 12 - 8 = 13 - 4 = 16 - 9 = 14 - 6 = 10 - 5 = 10 - 3 = 13 - 6 = 16 - 7 = 12 - 7 = 12 - 3 = 18 - 9 = 14 - 9 = 15 - 8 = 11 - 4 = 10 - 9 = 11 - 3 = 10 - 4 = 10 - 7 = 15 - 7 = 10 - 2 = 12 - 9 = 13 - 5 = 12 - 5 = 10 - 8 = 13 - 8 = 14 - 8 = 10 - 6 = 17 - 9 = 14 - 7 = 17 - 8 = 15 - 6 = 13 - 9 = 12 - 4 =20以内退位减法口算检测1(10)学号姓名成绩12 - 6 = 11 - 5 = 17 - 9 = 11 - 7 = 14 - 8 = 14 - 6 = 10 - 5 = 16 - 9 = 13 - 8 = 12 - 4 = 12 - 3 = 12 - 8 = 11 - 3 = 15 - 9 = 12 - 9 = 10 - 8 = 10 - 1 = 13 - 5 = 14 - 9 = 11 - 2 = 17 - 8 = 10 - 2 = 12 - 7 = 13 - 7 = 15 - 7 = 11 - 6 = 15 - 8 = 14 - 7 = 10 - 3 = 16 - 8 = 13 - 9 = 18 - 9 = 11 - 9 = 11 - 8 = 16 - 7 = 13 - 6 = 11 - 4 = 12 - 5 = 10 - 7 = 10 - 6 =20以内退位减法口算检测1(11)学号姓名成绩13 - 9 = 17 - 9 = 12 - 4 = 15 - 6 = 13 - 5 =11 - 5 = 11 - 6 = 12 - 7 = 14 - 9 = 10 - 2 =12 - 9 = 10 - 4 = 13 - 6 = 12 - 3 = 10 - 3 = 15 - 8 = 16 - 8 = 10 - 9 = 12 - 5 = 17 - 8 = 10 - 6 = 11 - 4 = 16 - 9 = 18 - 9 = 11 - 3 = 10 - 7 = 11 - 9 = 14 - 7 = 15 - 9 = 13 - 4 = 14 - 6 = 13 - 8 = 11 - 7 = 14 - 8 = 16 - 7 = 11 - 2 = 12 - 8 = 15 - 7 = 12 - 6 = 11 - 8 =20以内退位减法口算检测1(12)学号姓名成绩10 - 6 = 13 - 9 = 12 - 7 = 10 - 9 = 10 - 3 = 18 - 9 = 13 - 4 = 11 - 4 = 10 - 1 = 13 - 7 = 10 - 2 = 17 - 8 = 15 - 7 = 17 - 9 = 12 - 5 = 16 - 8 = 14 - 9 = 10 - 7 = 14 - 6 = 15 - 9 = 14 - 5 = 11 - 9 = 11 - 6 = 13 - 8 = 15 - 6 = 11 - 3 = 12 - 3 = 12 - 9 = 11 - 8 = 11 - 7 = 10 - 5 = 16 - 9 = 10 - 4 = 10 - 8 = 16 - 7 = 12 - 6 = 11 - 2 = 11 - 5 = 12 - 8 = 14 - 8 =20以内退位减法口算检测1(13)学号姓名成绩15 - 7 = 12 - 9 = 11 - 8 = 10 - 7 = 11 - 3 = 14 - 5 = 14 - 8 = 10 - 4 = 10 - 3 = 15 - 9 = 10 - 8 = 17 - 9 = 13 - 8 = 10 - 2 = 13 - 9 = 12 - 4 = 12 - 3 = 10 - 5 = 15 - 8 = 13 - 7 = 10 - 1 = 12 - 5 = 18 - 9 = 15 - 6 = 16 - 7 = 12 - 7 = 10 - 9 = 11 - 6 = 14 - 6 = 11 - 4 = 14 - 9 = 11 - 9 = 11 - 5 = 12 - 8 = 13 - 5 = 11 - 2 = 16 - 8 = 10 - 6 = 14 - 7 = 11 - 7 =20以内退位减法口算检测1(14)学号姓名成绩10 - 3 = 13 - 9 = 11 - 4 = 17 - 8 = 13 - 7 = 12 - 6 = 16 - 8 = 16 - 7 = 14 - 6 = 12 - 9 = 10 - 1 = 11 - 9 = 14 - 9 = 12 - 5 = 13 - 5 = 18 - 9 = 11 - 3 = 10 - 2 = 13 - 8 = 13 - 6 = 15 - 6 = 10 - 8 = 12 - 7 = 14 - 7 = 12 - 8 = 10 - 6 = 13 - 4 = 17 - 9 = 11 - 2 = 11 - 8 = 10 - 7 = 15 - 9 = 14 - 5 = 10 - 5 = 11 - 6 = 15 - 7 = 11 - 5 = 14 - 8 = 15 - 8 = 10 - 4 =20以内退位减法口算检测1(15)学号姓名成绩10 - 1 = 10 - 8 = 15 - 8 = 11 - 7 = 11 - 9 =12 - 3 = 17 - 8 = 10 - 7 = 16 - 8 = 10 - 9 =14 - 6 = 10 - 5 = 15 - 9 = 10 - 3 = 13 - 5 =14 - 9 = 12 - 4 = 12 - 5 = 12 - 9 = 10 - 2 =18 - 9 = 12 - 8 = 16 - 9 = 14 - 5 = 11 - 4 =11 - 2 = 15 - 7 = 11 - 3 = 10 - 6 = 13 - 9 =13 - 4 = 14 - 8 = 13 - 7 = 11 - 5 = 13 - 6 =11 - 8 = 12 - 7 = 14 - 7 = 10 - 4 = 13 - 8 =20以内退位减法口算检测1(16)学号姓名成绩12 - 9 = 14 - 9 = 10 - 3 = 11 - 4 = 10 - 6 = 14 - 6 = 15 - 7 = 13 - 8 = 11 - 7 = 13 - 4 = 11 - 9 = 12 - 6 = 10 - 4 = 18 - 9 = 10 - 8 = 17 - 9 = 13 - 6 = 12 - 5 = 10 - 1 = 14 - 5 = 12 - 8 = 14 - 7 = 16 - 7 = 15 - 6 = 13 - 9 = 16 - 9 = 13 - 5 = 13 - 7 = 10 - 7 = 11 - 6 =11 - 2 = 12 - 7 = 11 - 5 = 15 - 9 = 10 - 2 =12 - 3 = 16 - 8 = 11 - 3 = 10 - 5 = 15 - 8 =20以内退位减法口算检测1(17)学号姓名成绩12 - 6 = 15 - 9 = 14 - 7 = 17 - 9 = 12 - 3 = 11 - 8 = 15 - 6 = 12 - 9 = 10 - 1 = 10 - 5 = 10 - 9 = 16 - 7 = 11 - 4 = 16 - 9 = 12 - 4 = 10 - 6 = 14 - 5 = 14 - 8 = 10 - 2 = 12 - 7 = 15 - 8 = 12 - 5 = 11 - 3 = 11 - 9 = 11 - 5 = 10 - 3 = 15 - 7 = 17 - 8 = 13 - 9 = 11 - 7 = 13 - 7 = 14 - 9 = 12 - 8 = 13 - 6 = 14 - 6 = 16 - 8 = 18 - 9 = 13 - 5 = 13 - 4 = 11 - 2 =20以内退位减法口算检测1(18)学号姓名成绩10 - 3 = 16 - 9 = 11 - 2 = 17 - 8 = 16 - 8 = 13 - 9 = 15 - 8 = 11 - 7 = 13 - 7 = 12 - 6 = 11 - 9 = 10 - 6 = 11 - 4 = 14 - 7 = 17 - 9 = 16 - 7 = 12 - 8 = 14 - 5 = 11 - 5 = 10 - 7 = 10 - 1 = 11 - 8 = 11 - 3 = 12 - 9 = 10 - 4 = 10 - 5 = 12 - 4 = 13 - 5 = 14 - 8 = 11 - 6 = 10 - 2 = 14 - 9 = 13 - 6 = 14 - 6 = 10 - 8 = 10 - 9 = 12 - 5 = 13 - 8 = 15 - 6 = 18 - 9 =20以内退位减法口算检测1(19)学号姓名成绩10 - 8 = 16 - 7 = 15 - 7 = 11 - 7 = 13 - 7 =13 - 4 = 17 - 9 = 12 - 5 = 16 - 9 = 13 - 8 =14 - 6 = 10 - 2 = 11 - 5 = 10 - 6 = 12 - 6 =11 - 6 = 13 - 9 = 13 - 5 = 10 - 4 = 13 - 6 =12 - 4 = 15 - 9 = 10 - 3 = 12 - 7 = 11 - 3 = 10 - 1 = 11 - 4 = 17 - 8 = 16 - 8 = 11 - 2 = 12 - 8 = 12 - 9 = 14 - 9 = 14 - 5 = 11 - 9 = 10 - 5 = 18 - 9 = 15 - 8 = 14 - 7 = 12 - 3 =20以内退位减法口算检测1(20)学号姓名成绩17 - 8 = 15 - 7 = 14 - 8 = 13 - 7 = 16 - 8 = 10 - 8 = 11 - 2 = 14 - 7 = 12 - 9 = 14 - 9 = 15 - 8 = 16 - 9 = 10 - 4 = 15 - 6 = 10 - 5 = 15 - 9 = 11 - 4 = 12 - 5 = 12 - 4 = 12 - 3 = 14 - 5 = 11 - 5 = 12 - 7 = 10 - 2 = 16 - 7 = 17 - 9 = 10 - 6 = 13 - 8 = 10 - 3 = 14 - 6 = 12 - 6 = 11 - 3 = 10 - 9 = 10 - 1 = 13 - 5 = 12 - 8 = 11 - 7 = 13 - 6 = 13 - 9 = 10 - 7 =20以内退位减法口算检测1(21)学号姓名成绩15 - 7 = 14 - 8 = 12 - 5 = 11 - 4 = 10 - 3 = 15 - 8 = 13 - 8 = 11 - 6 = 12 - 7 = 11 - 9 = 13 - 4 = 11 - 8 = 10 - 2 = 10 - 8 = 10 - 7 =12 - 9 = 16 - 7 = 10 - 5 = 12 - 3 = 12 - 6 =13 - 7 = 14 - 7 = 12 - 8 = 10 - 1 = 17 - 9 = 17 - 8 = 15 - 6 = 11 - 5 = 13 - 6 = 12 - 4 =13 - 5 = 11 - 7 = 13 - 9 = 16 - 8 = 14 - 6 =14 - 9 = 16 - 9 = 10 - 6 = 10 - 9 = 10 - 4 =20以内退位减法口算检测1(22)学号姓名成绩16 - 9 = 16 - 8 = 12 - 9 = 11 - 2 = 13 - 7 = 14 - 9 = 11 - 7 = 11 - 3 = 14 - 7 = 12 - 8 = 11 - 5 = 15 - 8 = 10 - 1 = 10 - 8 = 11 - 9 = 10 - 4 = 12 - 6 = 11 - 6 = 13 - 8 = 12 - 4 = 14 - 6 = 11 - 8 = 17 - 9 = 13 - 6 = 10 - 7 = 10 - 2 = 15 - 7 = 12 - 7 = 10 - 9 = 13 - 4 = 14 - 8 = 13 - 9 = 14 - 5 = 15 - 9 = 16 - 7 = 13 - 5 = 10 - 5 = 11 - 4 = 10 - 6 = 18 - 9 =20以内退位减法口算检测1(23)学号姓名成绩13 - 4 = 11 - 5 = 12 - 8 = 10 - 3 = 16 - 9 = 13 - 7 = 10 - 1 = 14 - 8 = 10 - 9 = 11 - 9 = 13 - 9 = 13 - 8 = 11 - 3 = 12 - 9 = 15 - 6 = 10 - 6 = 14 - 6 = 15 - 7 = 10 - 7 = 11 - 4 = 12 - 4 = 17 - 9 = 13 - 6 = 12 - 3 = 10 - 2 = 16 - 7 = 14 - 9 = 11 - 6 = 12 - 7 = 11 - 8 = 13 - 5 = 12 - 5 = 15 - 9 = 10 - 8 = 10 - 4 = 10 - 5 = 11 - 7 = 14 - 7 = 15 - 8 = 12 - 6 =20以内退位减法口算检测1(24)学号姓名成绩13 - 4 = 13 - 5 = 10 - 8 = 17 - 9 = 15 - 7 =14 - 5 = 11 - 5 = 16 - 8 = 12 - 5 = 11 - 9 = 11 - 2 = 15 - 8 = 12 - 4 = 10 - 7 = 13 - 8 = 11 - 8 = 10 - 1 = 14 - 8 = 11 - 7 = 11 - 3 = 10 - 9 = 12 - 6 = 13 - 9 = 10 - 3 = 12 - 3 = 16 - 9 = 12 - 7 = 13 - 6 = 14 - 7 = 12 - 9 = 12 - 8 = 10 - 5 = 10 - 6 = 10 - 2 = 11 - 4 = 17 - 8 = 14 - 9 = 15 - 9 = 13 - 7 = 16 - 7 =20以内退位减法口算检测1(25)学号姓名成绩13 - 4 = 12 - 3 = 15 - 6 = 12 - 9 = 11 - 9 = 10 - 1 = 14 - 6 = 12 - 7 = 14 - 9 = 11 - 8 = 12 - 8 = 12 - 4 = 11 - 3 = 11 - 7 = 10 - 7 = 14 - 5 = 10 - 8 = 15 - 8 = 17 - 8 = 10 - 4 = 12 - 6 = 14 - 7 = 16 - 9 = 12 - 5 = 11 - 6 = 11 - 4 = 13 - 9 = 15 - 7 = 14 - 8 = 10 - 3 = 11 - 5 = 13 - 6 = 16 - 7 = 18 - 9 = 10 - 6 = 16 - 8 = 13 - 7 = 13 - 5 = 10 - 5 = 11 - 2 =20以内退位减法口算检测1(26)学号姓名成绩10 - 2 = 16 - 9 = 11 - 4 = 14 - 7 = 16 - 8 = 13 - 8 = 12 - 4 = 15 - 7 = 10 - 3 = 11 - 9 = 13 - 9 = 11 - 8 = 10 - 6 = 10 - 8 = 14 - 5 = 18 - 9 = 10 - 9 = 12 - 5 = 11 - 7 = 12 - 7 = 11 - 5 = 14 - 6 = 11 - 6 = 12 - 8 = 11 - 2 = 10 - 4 = 10 - 7 = 12 - 9 = 13 - 4 = 14 - 9 = 16 - 7 = 17 - 8 = 13 - 6 = 15 - 9 = 14 - 8 = 15 - 6 = 10 - 1 = 12 - 6 = 13 - 7 = 12 - 3 =20以内退位减法口算检测1(27)学号姓名成绩12 - 3 = 14 - 7 = 15 - 7 = 11 - 2 = 14 - 9 =13 - 7 = 11 - 6 = 16 - 8 = 13 - 8 = 17 - 8 = 12 - 9 = 11 - 3 = 15 - 9 = 15 - 8 = 12 - 6 = 12 - 7 = 14 - 8 = 10 - 7 = 10 - 5 = 13 - 9 = 16 - 9 = 10 - 2 = 13 - 6 = 13 - 5 = 12 - 8 = 11 - 5 = 16 - 7 = 11 - 7 = 10 - 4 = 11 - 9 = 11 - 4 = 13 - 4 = 10 - 9 = 17 - 9 = 12 - 5 = 15 - 6 = 10 - 3 = 12 - 4 = 14 - 5 = 10 - 6 =20以内退位减法口算检测1(28)学号姓名成绩16 - 8 = 13 - 9 = 14 - 6 = 11 - 7 = 10 - 6 = 16 - 7 = 13 - 7 = 14 - 5 = 13 - 8 = 13 - 6 = 12 - 5 = 15 - 6 = 11 - 4 = 14 - 8 = 11 - 5 = 12 - 6 = 11 - 9 = 10 - 7 = 13 - 5 = 11 - 2 = 15 - 9 = 12 - 7 = 11 - 6 = 10 - 1 = 16 - 9 =11 - 8 = 17 - 9 = 12 - 4 = 18 - 9 = 10 - 5 =12 - 9 = 12 - 3 = 10 - 3 = 14 - 7 = 10 - 4 = 10 - 8 = 10 - 9 = 12 - 8 = 15 - 8 = 17 - 8 =20以内退位减法口算检测1(29)学号姓名成绩17 - 9 = 10 - 8 = 15 - 7 = 14 - 6 = 11 - 4 =11 - 2 = 11 - 5 = 11 - 7 = 13 - 7 = 11 - 8 =12 - 8 = 17 - 8 = 14 - 9 = 14 - 5 = 16 - 9 = 12 - 6 = 12 - 9 = 12 - 7 = 12 - 5 = 14 - 7 = 10 - 9 = 10 - 1 = 11 - 6 = 10 - 7 = 16 - 7 = 10 - 5 = 18 - 9 = 10 - 6 = 13 - 6 = 10 - 4 =12 - 4 = 15 - 8 = 14 - 8 = 10 - 2 = 15 - 9 =13 - 5 = 15 - 6 = 13 - 4 = 12 - 3 = 13 - 8 =20以内退位减法口算检测1(30)学号姓名成绩12 - 3 = 12 - 4 = 12 - 6 = 10 - 8 = 14 - 7 = 11 - 5 = 14 - 6 = 14 - 5 = 13 - 5 = 11 - 7 = 15 - 9 = 17 - 9 = 14 - 8 = 16 - 7 = 13 - 7 = 11 - 3 = 17 - 8 = 13 - 4 = 10 - 2 = 12 - 7 = 11 - 6 = 10 - 1 = 10 - 4 = 15 - 8 = 12 - 9 = 18 - 9 = 11 - 4 = 10 - 5 = 16 - 9 = 10 - 6 = 12 - 8 = 11 - 8 = 12 - 5 = 14 - 9 = 10 - 7 = 15 - 7 = 13 - 8 = 13 - 6 = 15 - 6 = 11 - 9 =20以内退位减法口算检测1(31)学号姓名成绩17 - 9 = 10 - 4 = 13 - 9 = 14 - 9 = 10 - 3 = 15 - 8 = 12 - 5 = 16 - 8 = 11 - 6 = 11 - 3 = 10 - 6 = 10 - 7 = 10 - 5 = 15 - 6 = 14 - 5 = 12 - 9 = 12 - 8 = 17 - 8 = 14 - 8 = 13 - 6 =10 - 1 = 12 - 7 = 18 - 9 = 10 - 8 = 15 - 7 =11 - 4 = 11 - 8 = 12 - 4 = 11 - 7 = 12 - 3 = 16 - 7 = 14 - 6 = 11 - 9 = 11 - 2 = 16 - 9 = 10 - 9 = 12 - 6 = 11 - 5 = 13 - 7 = 13 - 4 =20以内退位减法口算检测1(32)学号姓名成绩16 - 9 = 11 - 5 = 11 - 3 = 12 - 5 = 12 - 4 = 12 - 6 = 11 - 4 = 15 - 6 = 10 - 8 = 11 - 7 = 10 - 6 = 13 - 4 = 12 - 3 = 10 - 9 = 15 - 9 = 14 - 6 = 15 - 7 = 13 - 9 = 13 - 6 = 18 - 9 = 11 - 8 = 12 - 9 = 10 - 1 = 12 - 7 = 10 - 5 = 14 - 5 = 10 - 4 = 10 - 7 = 12 - 8 = 14 - 7 = 10 - 3 = 16 - 8 = 17 - 8 = 13 - 5 = 17 - 9 = 13 - 7 = 11 - 6 = 16 - 7 = 11 - 9 = 11 - 2 =20以内退位减法口算检测1(33)学号姓名成绩10 - 1 = 13 - 7 = 10 - 3 = 10 - 2 = 11 - 7 = 12 - 5 = 10 - 5 = 16 - 7 = 12 - 4 = 14 - 5 = 11 - 5 = 12 - 7 = 11 - 4 = 14 - 6 = 10 - 4 = 17 - 8 = 13 - 6 = 13 - 8 = 14 - 7 = 13 - 9 = 15 - 6 = 11 - 3 = 15 - 9 = 11 - 9 = 17 - 9 = 13 - 4 = 14 - 8 = 16 - 9 = 12 - 3 = 12 - 6 = 18 - 9 = 16 - 8 = 15 - 7 = 12 - 9 = 15 - 8 = 11 - 8 = 12 - 8 = 13 - 5 = 14 - 9 = 10 - 7 =20以内退位减法口算检测1(34)学号姓名成绩10 - 1 = 12 - 4 = 13 - 6 = 11 - 9 = 11 - 8 = 14 - 7 = 11 - 7 = 13 - 7 = 15 - 8 = 15 - 7 = 16 - 8 = 18 - 9 = 11 - 4 = 11 - 5 = 15 - 9 = 13 - 9 = 17 - 9 = 10 - 4 = 12 - 6 = 11 - 6 = 10 - 3 = 10 - 6 = 12 - 9 = 11 - 3 = 16 - 7 = 13 - 8 = 14 - 5 = 14 - 6 = 10 - 2 = 17 - 8 = 12 - 3 = 13 - 4 = 10 - 7 = 10 - 9 = 11 - 2 = 14 - 9 = 10 - 8 = 12 - 5 = 12 - 8 = 12 - 7 =20以内退位减法口算检测1(35)学号姓名成绩11 - 7 = 13 - 7 = 15 - 8 = 12 - 3 = 12 - 7 = 10 - 4 = 14 - 8 = 13 - 8 = 10 - 1 = 16 - 8 = 12 - 5 = 13 - 6 = 10 - 8 = 16 - 9 = 11 - 2 = 14 - 7 = 12 - 8 = 15 - 6 = 10 - 9 = 14 - 6 = 11 - 6 = 14 - 9 = 11 - 9 = 10 - 7 = 18 - 9 = 17 - 8 = 12 - 9 = 15 - 7 = 16 - 7 = 11 - 8 =13 - 4 = 11 - 4 = 10 - 6 = 13 - 5 = 11 - 5 =14 - 5 = 13 - 9 = 10 - 3 = 10 - 5 = 12 - 4 =20以内退位减法口算检测1(36)学号姓名成绩16 - 7 = 10 - 6 = 11 - 2 = 13 - 8 = 11 - 9 = 13 - 7 = 11 - 4 = 13 - 9 = 15 - 7 = 11 - 8 = 12 - 9 = 14 - 8 = 15 - 8 = 16 - 9 = 13 - 5 = 14 - 5 = 10 - 3 = 10 - 2 = 10 - 1 = 15 - 6 = 12 - 7 = 11 - 7 = 18 - 9 = 12 - 4 = 10 - 4 = 12 - 6 = 10 - 9 = 13 - 4 = 17 - 9 = 13 - 6 = 17 - 8 = 11 - 5 = 12 - 8 = 15 - 9 = 14 - 6 = 10 - 7 = 10 - 8 = 16 - 8 = 10 - 5 = 12 - 5 =20以内退位减法口算检测1(37)学号姓名成绩10 - 1 = 12 - 4 = 14 - 7 = 15 - 6 = 10 - 7 =11 - 8 = 12 - 7 = 12 - 3 = 13 - 7 = 16 - 8 =11 - 5 = 17 - 9 = 15 - 8 = 13 - 6 = 10 - 3 =12 - 8 = 14 - 9 = 15 - 9 = 13 - 5 = 11 - 3 = 10 - 2 = 17 - 8 = 18 - 9 = 11 - 9 = 14 - 6 = 14 - 8 = 13 - 9 = 10 - 9 = 15 - 7 = 11 - 4 = 10 - 6 = 10 - 4 = 11 - 2 = 11 - 6 = 11 - 7 = 13 - 4 = 16 - 7 = 10 - 8 = 10 - 5 = 13 - 8 =20以内退位减法口算检测1(38)学号姓名成绩11 - 2 = 10 - 3 = 10 - 8 = 17 - 8 = 12 - 9 = 10 - 6 = 14 - 8 = 12 - 8 = 13 - 8 = 12 - 3 = 10 - 5 = 13 - 4 = 11 - 8 = 14 - 5 = 13 - 7 =10 - 7 = 12 - 7 = 11 - 9 = 16 - 9 = 12 - 4 =11 - 4 = 14 - 9 = 10 - 4 = 17 - 9 = 11 - 5 =12 - 6 = 10 - 1 = 16 - 7 = 13 - 5 = 12 - 5 = 16 - 8 = 13 - 6 = 15 - 9 = 14 - 6 = 11 - 7 = 11 - 3 = 10 - 9 = 10 - 2 = 18 - 9 = 13 - 9 =20以内退位减法口算检测1(39)学号姓名成绩10 - 5 = 11 - 7 = 11 - 8 = 14 - 7 = 14 - 5 = 10 - 2 = 11 - 9 = 14 - 9 = 13 - 6 = 17 - 8 = 18 - 9 = 17 - 9 = 13 - 8 = 10 - 8 = 11 - 2 = 16 - 7 = 12 - 7 = 15 - 9 = 12 - 6 = 15 - 8 = 16 - 9 = 13 - 4 = 15 - 7 = 12 - 9 = 11 - 3 = 14 - 8 = 12 - 4 = 13 - 5 = 14 - 6 = 10 - 7 = 12 - 8 = 13 - 7 = 16 - 8 = 10 - 6 = 10 - 9 = 10 - 4 = 13 - 9 = 11 - 5 = 11 - 4 = 11 - 6 =20以内退位减法口算检测1(40)学号姓名成绩15 - 8 = 11 - 9 = 13 - 6 = 14 - 7 = 13 - 7 = 11 - 4 = 12 - 7 = 10 - 4 = 13 - 4 = 11 - 3 =10 - 6 = 12 - 8 = 16 - 9 = 16 - 7 = 10 - 2 =11 - 5 = 15 - 7 = 12 - 3 = 11 - 8 = 14 - 8 = 10 - 5 = 13 - 5 = 10 - 8 = 12 - 9 = 12 - 4 =10 - 3 = 10 - 9 = 15 - 6 = 16 - 8 = 12 - 5 =11 - 7 = 13 - 9 = 18 - 9 = 13 - 8 = 14 - 5 = 11 - 6 = 14 - 9 = 14 - 6 = 10 - 7 = 15 - 9 =20以内退位减法口算检测1(41)学号姓名成绩11 - 4 = 12 - 3 = 10 - 9 = 16 - 9 = 14 - 6 = 16 - 8 = 10 - 6 = 12 - 9 = 10 - 4 = 17 - 8 = 11 - 7 = 12 - 7 = 15 - 8 = 15 - 7 = 12 - 4 = 17 - 9 = 13 - 4 = 13 - 9 = 14 - 7 = 10 - 5 = 11 - 8 = 14 - 5 = 11 - 3 = 13 - 6 = 12 - 6 = 10 - 8 = 11 - 5 = 12 - 8 = 12 - 5 = 15 - 6 = 14 - 8 = 13 - 7 = 15 - 9 = 10 - 3 = 13 - 5 = 11 - 2 = 16 - 7 = 11 - 9 = 11 - 6 = 10 - 1 =20以内退位减法口算检测1(42)学号姓名成绩14 - 7 = 10 - 7 = 14 - 8 = 10 - 2 = 11 - 9 =15 - 8 = 14 - 9 = 18 - 9 = 13 - 8 = 16 - 9 = 10 - 6 = 13 - 7 = 10 - 5 = 10 - 8 = 16 - 8 = 17 - 9 = 12 - 3 = 12 - 4 = 13 - 4 = 11 - 3 = 14 - 5 = 11 - 4 = 10 - 9 = 11 - 2 = 10 - 1 = 12 - 9 = 16 - 7 = 15 - 7 = 10 - 4 = 11 - 7 = 17 - 8 = 13 - 5 = 11 - 6 = 10 - 3 = 13 - 9 = 12 - 5 = 15 - 6 = 13 - 6 = 12 - 7 = 11 - 5 =20以内退位减法口算检测1(43)学号姓名成绩15 - 6 = 10 - 1 = 11 - 5 = 18 - 9 = 13 - 9 = 17 - 9 = 13 - 5 = 10 - 7 = 14 - 9 = 10 - 8 = 11 - 4 = 16 - 8 = 17 - 8 = 10 - 2 = 13 - 6 =13 - 7 = 16 - 7 = 11 - 6 = 12 - 5 = 10 - 9 =14 - 7 = 10 - 5 = 10 - 3 = 11 - 2 = 12 - 9 = 11 - 9 = 10 - 6 = 16 - 9 = 14 - 5 = 11 - 7 = 15 - 8 = 12 - 8 = 12 - 6 = 12 - 7 = 12 - 4 = 14 - 8 = 15 - 9 = 15 - 7 = 13 - 8 = 11 - 3 =20以内退位减法口算检测1(44)学号姓名成绩14 - 5 = 17 - 8 = 14 - 8 = 15 - 6 = 16 - 8 = 11 - 4 = 13 - 7 = 14 - 7 = 14 - 6 = 12 - 7 = 13 - 8 = 15 - 8 = 12 - 8 = 15 - 7 = 12 - 9 = 11 - 6 = 13 - 4 = 11 - 7 = 10 - 5 = 16 - 7 = 10 - 3 = 11 - 3 = 10 - 4 = 11 - 2 = 10 - 1 = 12 - 3 = 10 - 7 = 12 - 5 = 13 - 9 = 13 - 6 = 17 - 9 = 10 - 9 = 13 - 5 = 14 - 9 = 10 - 6 = 11 - 5 = 16 - 9 = 11 - 8 = 10 - 8 = 12 - 6 =20以内退位减法口算检测1(45)学号姓名成绩14 - 8 = 11 - 5 = 11 - 3 = 12 - 8 = 13 - 9 = 12 - 7 = 10 - 6 = 14 - 9 = 16 - 8 = 15 - 6 =15 - 9 = 11 - 2 = 11 - 7 = 12 - 4 = 10 - 7 =16 - 9 = 12 - 3 = 14 - 6 = 14 - 7 = 14 - 5 = 15 - 7 = 18 - 9 = 11 - 4 = 13 - 5 = 13 - 8 = 15 - 8 = 10 - 9 = 10 - 3 = 10 - 5 = 16 - 7 = 10 - 8 = 12 - 5 = 17 - 9 = 11 - 6 = 10 - 4 = 13 - 6 = 12 - 6 = 13 - 7 = 10 - 1 = 11 - 8 =20以内退位减法口算检测1(46)学号姓名成绩13 - 5 = 13 - 8 = 11 - 4 = 12 - 6 = 14 - 6 = 13 - 9 = 14 - 5 = 15 - 6 = 12 - 4 = 17 - 9 =10 - 7 = 11 - 5 = 13 - 4 = 16 - 8 = 18 - 9 =11 - 2 = 12 - 3 = 14 - 8 = 12 - 8 = 13 - 7 = 14 - 9 = 10 - 4 = 10 - 9 = 15 - 8 = 12 - 7 = 12 - 5 = 11 - 8 = 10 - 6 = 10 - 3 = 17 - 8 = 12 - 9 = 15 - 7 = 14 - 7 = 11 - 6 = 10 - 5 = 15 - 9 = 10 - 2 = 10 - 1 = 11 - 7 = 16 - 9 =20以内退位减法口算检测1(47)学号姓名成绩13 - 9 = 15 - 8 = 15 - 6 = 14 - 8 = 10 - 1 = 13 - 7 = 12 - 9 = 11 - 4 = 13 - 8 = 12 - 8 = 12 - 7 = 11 - 7 = 11 - 6 = 12 - 4 = 18 - 9 = 14 - 9 = 16 - 8 = 13 - 5 = 10 - 2 = 15 - 7 = 13 - 4 = 14 - 6 = 16 - 9 = 17 - 9 = 11 - 5 = 16 - 7 = 12 - 5 = 10 - 3 = 10 - 7 = 14 - 5 = 11 - 3 = 10 - 8 = 15 - 9 = 7 - 8 = 11 - 9 = 14 - 7 = 11 - 8 = 10 - 6 = 10 - 5 = 11 - 2 =20以内退位减法口算检测1(48)学号姓名成绩14 - 8 = 11 - 5 = 11 - 4 = 10 - 6 = 16 - 8 = 13 - 4 = 12 - 5 = 14 - 9 = 18 - 9 = 10 - 2 = 13 - 9 = 13 - 8 = 17 - 9 = 16 - 9 = 16 - 7 = 10 - 5 = 11 - 2 = 10 - 9 = 10 - 3 = 11 - 6 = 12 - 4 = 10 - 7 = 10 - 8 = 17 - 8 = 12 - 6 = 14 - 6 = 13 - 5 = 11 - 8 = 12 - 7 = 11 - 7 = 12 - 9 = 13 - 6 = 15 - 9 = 15 - 6 = 13 - 7 = 10 - 1 = 11 - 9 = 12 - 3 = 12 - 8 = 15 - 7 =20以内退位减法口算检测1(49)学号姓名成绩15 - 6 = 12 - 3 = 14 - 8 = 16 - 7 = 13 - 4 = 14 - 5 = 10 - 3 = 10 - 8 = 13 - 8 = 13 - 7 = 12 - 7 = 12 - 8 = 18 - 9 = 10 - 6 = 15 - 9 = 12 - 9 = 11 - 4 = 14 - 9 = 17 - 9 = 11 - 7 = 16 - 9 = 11 - 6 = 11 - 9 = 11 - 2 = 10 - 9 = 11 - 5 = 14 - 6 = 15 - 8 = 10 - 7 = 10 - 5 = 14 - 7 = 10 - 2 = 12 - 6 = 11 - 8 = 12 - 5 = 10 - 1 = 16 - 8 = 13 - 5 = 13 - 6 = 15 - 7 =20以内退位减法口算检测1(50)学号姓名成绩16 - 7 = 14 - 8 = 13 - 4 = 12 - 9 = 15 - 7 = 13 - 6 = 10 - 6 = 10 - 4 = 18 - 9 = 12 - 6 = 12 - 4 = 13 - 5 = 14 - 9 = 10 - 3 = 16 - 9 = 11 - 6 = 11 - 7 = 17 - 8 = 10 - 9 = 11 - 2 = 15 - 6 = 15 - 8 = 13 - 8 = 14 - 6 = 13 - 9 = 11 - 8 = 10 - 8 = 12 - 3 = 13 - 7 = 16 - 8 = 10 - 2 = 11 - 5 = 11 - 9 = 11 - 3 = 14 - 7 = 17 - 9 = 12 - 5 = 15 - 9 = 12 - 7 = 11 - 4 =。
最新20以内退位减法测试题(10套)

最新20以内退位减法测试题(10套)本文是一份数学口算测试,要求学生在20以内进行退位减法的计算,并填写对应的答案。
每个学生的学号、姓名和成绩都列在表格中。
本测试共分为三部分,每部分都包含一定数量的计算题目。
为了更好地研究数学,我们需要不断积累好的资料。
本文提供了一份口算测试,可以帮助学生巩固退位减法的知识。
在测试中,学生需要根据题目要求进行计算,并填写正确的答案。
通过这样的练,可以提高学生的计算能力和数学水平。
删除此段落,因为只有一行没有意义的内容。
20以内退位减法口算检测1(4)学号姓名成绩15 - 9 = 611 - 4 = 715 - 7 = 810 - 1 = 912 - 3 = 912 - 6 = 6 15 - 6 = 9 14 - 8 = 613 - 4 = 914 - 8 = 6 10 - 6 = 4 16 - 8 = 8 14 - 6 = 8 16 - 9 = 7 13 - 8 = 5 10 - 7 = 3 18 - 9 = 910 - 5 = 511 - 3 = 8 13 - 7 = 6 12 - 9 = 3 14 - 7 = 711 - 6 = 512 - 4 = 813 - 5 = 811 - 8 = 3 17 - 9 = 8 10 - 8 = 2 14 - 9 = 5 13 - 9 = 4 17 - 8 = 9 13 - 9 = 4 11 - 9 = 2 11 - 5 = 6 13 - 7 = 6 13 - 4 = 910 - 2 = 811 - 2 = 9 11 - 4 = 7 15 - 6 = 9 13 - 6 = 715 - 8 = 716 - 7 = 9 12 - 5 = 7 14 - 5 = 911 - 5 = 611 - 3 = 814 - 9 = 516 - 6 = 1011 - 7 = 4改写:这是20以内退位减法口算检测1的成绩单。
学生们需要计算减法并填写答案。
最新人教版小学数学一年级数学下册第二单元《20以内的退位减法》单元检测(含答案解析)

最新人教版小学数学一年级数学下册第二单元《20以内的退位减法》单元检测(含答案解析)一、选择题1.7+□<16,□里最大填()。
A. 8B. 9C. 102.11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. 23.14○5=9,○里应填().A. +B. -4.白兔和黑兔一共15只,黑兔有7只,白兔有几只?()A. 15+7B. 15-7C. 7+155.妈妈买回来14个苹果,比梨多5个,那么梨有()个。
A. 8B. 96.下面与8+8结果相同的式子是()。
A. 7+9B. 16-7C. 18-97.今年小金11岁,小明8岁.小金比小明大几岁?正确的解答是()A. 11-3=8(岁)B. 11+8=19(岁)C. 11-8=3(岁)D. 19-8=11(岁) 8.动物园有小猴14只,大猴比小猴少8只.大猴有几只?正确的解答是()A. 22+8=30(只)B. 14-8=6(只)C. 14+8=22(只)D. 14-6=8(只) 9.正确答案是()(1)14-5=A.9B.10(2)10-1=A.9B.1010.13-9= ()A. 4B. 6C. 7D. 15 11.“11-8 2”,比较大小,在里应填的符号是()A. >B. <C. =D. +12.错误的列式计算是()A. 8+2=10(个)B. 8+8=14(个)C. 8-2=6(个)D. 16-8=8(个)二、填空题13.在横线上填上>、<或=。
5+3________6 16-9________10 16+2________1714.比一比谁的年龄大。
12-8________13-8 11-4________12-6 15-7________11-416-8________14-7 14-6________11-2 16-9________11-7 15.12比5多________,8比12少________,8和11一共是________。
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班级:姓名:得分:
、口算31% ☆
9+ 4= 12-8= 6+ 9= 11 — 4= 7+ 7 = 12-4 = 14-9= 18-9 = 13-7=15-7 = 13-9 = 12-3= 11 — 2 = 4+ 9= 16-9 =
9+ 3= 11 —
7=12-6 = 16- 8= 14-8 =
5+ 6= 17—7=9+ 9 = 12- 10= 4 + 9 =
8+ 4- 9= 9+ 9- 8= 19- 10+ 8 =
18-8-6 = 3+ 8- 7=10- 1 + 5=
«20以内的退位减法》同步检测1
二、在o里填上〉、15- 8 10
13-9 5
三、看图写一写。
8%<或=。
6% ☆
11 — 3 " 11 — 4 15- 10。
14-9
四、连一连。
5% ☆
8 + 7 13 — 10
14-4 9 — 7
6+7 9+6
7— 4 5 + 8
10 — 8 5 + 5
五、填口。
6% ☆☆
9+ 5= ~~| + 6 17-7= ~~| -4 □-7 = ~~| -6
口 + 5= 17- 7 8 + 口= 10 + 6 14 一口 = 18一口六、填表格。
8% ☆☆
七、解决问题36% ☆☆
17块2、小红已经采了8朵花,乂采了7朵,
6.
3.一共钓了 16条鱼,送给爷爷7条,还剩几条?
匚1匚=□
4.学校舞蹈队有男生9人,女生5人,每人发一个球,买下面哪2盒比较合适, 在下面的(
)里画W 。
灰气球有8个,白气球有多少个?
7.动物园有兔子15只,羊8只,牛6只 (1) 羊和牛一共有多少只?
有()只黑猪, 有()只白猪,
一共有多少只?
一共有()只猪, 其中白猪有()只, 黑猪有多少只?
匚,"匚=□(2) 其中白兔有5只,黑兔有多少只?
匚C匚=□
八、思考题☆☆☆
☆+□ +△ =9
☆+□ +△ +△=12
△=()。