竖式计算100以内不进位加法
人教版二年级上册100以内的加法(二)(不进位加)

课外练习
参考答案 三 1、52+6=58(本)答:科技书有58本 2、42+25=67(人)答:合唱队一共有67人。 3、78+21=99(人)答:这本书一共有99页。 4、13+13=26(个)答:两次一共剪了26个。 5、12+23=35(岁) 答:妈妈今年35岁 6、26+31=57(块) 答:妈妈买了57块水果糖 7、6+13=19(只) 13+23=36(只) 答:小红家养的猪和鸡一共有19只。养的鹅和鸡一共有36只。
每个班由2个老师带队
同学们去参观博物馆啦,
你能提出什么问题? (分小组讨论)
探究新知
二(1)班和二(2)班一共有多少名学生?
35+32 =?
想一想,该怎么计算呢?(分小组讨论)
想一想,该怎么列式呢?
探究新知
35+32 =67
解法一:摆小棒计算
30+30=60
5+2=7
60+7=67
探究新知
十个
(3 7) +(4 0)
(7 7)
巩固练习
3.看图列式计算
() +( )
()
() +( )
()
巩固练习
3.看图列式计算
(4 2) +( 6)
(4 8)
( 1 5)
+(2 4) ( 3 9)
课外练习
一.列竖式计算
+6=
20+67=
24+3= 33+25=
59+4= 30+18=
课外练习
二.连一连
( 56 ) +( 2 2 )
100以内不进位加减法练习题

100以内不进位加减法练习题班级__________ 学号__________ 姓名__________一、口算-1 = 1- 1=+ 10 =- 11 = += 1+= +=- 11 =-1 =-= 1+ 1=1 +0 = +=+= - =+=-=+= 1- =-=- 1=-=+1 =-=-1 = 二、列竖式计算。
8-1=+=8- =-=- =-=0 +=-=0 +=-=-1 =-=0 +0 =-1 =-= +0 =0 +1 =-1 =-=-=- 11 =-= - =+=-1 =+1 =- 1=4+ 1= 10 += 1+ 1=+ 10 =-=+1 =-=-=+=-1 =+ =-=0 + 1=0 + 1=-= 10 +=-= +1 =-=-1 =+ 1 =-=-=-=1 +0 = +3=66-= 11 +=-0 =- 1=- 11 =- 11 =- =-=0 += 11 +=-=+ =+=-=+0 =- 10 =- 1= 10 += 0 +=- =-=- =- =- =-0 =+13=班级__________ 学号__________ 姓名__________一、口算+ 1=- =+ 11 = +=- 1=-=- 1=- = 1+=-=+ 0 =+=-=-=+=-1 =-0 =0 +0 =-0 =- 1 =- 1=+=- 1=-=-=9+ =+0 =-1 =-=-0 =-0 =+ 10 =-= 0 += 10 +=- =-0 =- 1= 1+1 =1 + 1=1 - 0 =1 + =- 1=0 += +=0 -0 =+ 1=- 1=-=- 1=30 + =0 +=-=-=+=-=- 11 = 1+=-1 =+0 = + = 1+ 0 =1 += 10 +=- =+ 1 =-0 =+ 1=-0 =+=+=-0 =0 +=+=-1 =2+ =0 -0 =-0 =0 + =+ 0 =+0 = +1 =-=- 1=+=+ 1=0 + 1=-=+=-= += 1+= - =-0 =-=+ 0 =- =0 +=-1 =+ 0 =二、仔细观察找规律。
100以内不进位不退位加减法口算题

一、口算79-41 = 88-5 = 46+13 = 96 - 44 = 17・ 12 = 77 - 43 = 10 + 65 = 11+25 =88 + 10 = 69-9 = 12+14 = 65 ・ 30 = 55・ 11 = 66 - 22 = 56+10 = 46-13 =5 + 54 = 40 + 39 = 76 - 52 = 98 ・ 11 = 13 + 66 = 88 - 72 = 43 + 31 = 86-11 =2 + 25 = 20 + 36 = 57 - 22 = 89-2 =28 ・ 11 = 86 - 82 = 56 - 55 = 75 - 65 = 79・61 = 93-21 = 22 + 42 = 20 + 74 = 48 - 45 = 96 - 96 = 55・31 = 11+36 =17+12 = 80 + 20 = 26 + 3 = 64 - 34 = 31+30 = 55・51 = 87 - 77 = 27 + 2 =3 + 23 = 77 - 36 = 20+18 = 63 + 32 = 42 + 55 =4 + 40 = 30+14 = 93 - 52 =4・4 = 20 + 31 = 84 - 74 = 53 + 40 = 35 + 54 = 96-31 = 10 + 33 = 26-10 =99 ・ 89 = 57 - 55 = 69 - 29 = 36-14 =33 + 32 = 99 - 56 = 6 + 71 = 10 + 78 = 18・5 = 34 ・ 11 = 68 - 37 = 0 + 38 =86 - 55 = 56 - 26 = 47・31 = 86-5 =98・ 12 = 8・2 = 22 + 1 = 96 - 62 = 69 ・ 54 = 32 + 26 = 89 - 83 = 68-8 =54 + 21 = 88-81 = 49 - 33 = 85・5 =68 - 47 = 43 + 51 = 58 - 52 = 95・5 =37・31 = 98・ 17 = 31+20 = 93 ・ 70 =二、列竖式计算。
100以内的加法(不进位)教案

加法(不进位)教案教学目标:(1)引导学生认真观察情境图,全面了解画面内容,激发学生学习新知的兴趣。
(2)理解算理,掌握笔算加法的书写格式,会正确计算。
(3)通过观察、操作等活动,引导学生归纳计算方法,培养学生归纳、概括和操作能力。
(4)在学习过程中,培养学生主动探索知识的精神和认真计算的良好习惯。
重点:竖式计算的书写格式。
难点:笔算的计算顺序。
教学过程:一、旧知回顾,做好铺垫口算并说出算法:13+7=14+5=2+17=5+13=8+12=13+3=二、合作探究,获得新知(1)动手操作,形成表象。
① 口算。
② 摆小棒法。
③ 拨计数器演示法。
……让学生进一步感知多种算法。
(3)抛出问题,合作解决。
①感知竖式。
3 5+ 2-----3 7小组合作探究新知。
用小黑板出示探究问题。
展现及摆小棒,用计数器方法列出竖式。
说出列式理由。
(4)教学例2。
3 5+ 3 2-------6 7对齐数位,从个位加起。
教师指导书写。
三、运用新知,解决问题(1)学生板演,老师指导,集体订正。
35+32=43+26=(2)当医生诊断。
判断竖式中的错误并纠正。
四、知识深化,拓展提高完成教材13页“做一做”第2题。
板书设计加法(不进位)35+2=37(人)35+32=67(人)3 5 3 5+ 2 + 3 2----- --------3 7 6 7相同数位对齐,从个位加起。
100以内不进位不退位加减法口算题++++

100以内(不进位不退位)口算练习题(1)班级__________ 学号__________ 姓名__________一、口算79 - 41 = 88 - 5 = 46 + 13 = 96 - 44 =17 - 12 = 77 - 43 = 10 + 65 = 11 + 25 =88 + 10 = 69 - 9 = 12 + 14 = 65 - 30 =55 - 11 = 66 - 22 = 56 + 10 = 46 - 13 =5 + 54 = 40 + 39 = 76 - 52 = 98 - 11 =13 + 66 = 88 - 72 = 43 + 31 = 86 - 11 =2 + 25 = 20 + 36 = 57 - 22 = 89 - 2 =28 - 11 = 86 - 82 = 56 - 55 = 75 - 65 =79 - 61 = 93 - 21 = 22 + 42 = 20 + 74 =48 - 45 = 96 - 96 = 55 - 31 = 11 + 36 =17 + 12 = 80 + 20 = 26 + 3 = 64 - 34 =31 + 30 = 55 - 51 = 87 - 77 = 27 + 2 =3 + 23 = 77 - 36 = 20 + 18 = 63 + 32 =42 + 55 = 4 + 40 = 30 + 14 = 93 - 52 =4 - 4 = 20 + 31 = 84 - 74 = 53 + 40 =35 + 54 = 96 - 31 = 10 + 33 = 26 - 10 =99 - 89 = 57 - 55 = 69 - 29 = 36 - 14 =33 + 32 = 99 - 56 = 6 + 71 = 10 + 78 =18 - 5 = 34 - 11 = 68 - 37 = 0 + 38 =86 - 55 = 56 - 26 = 47 - 31 = 86 - 5 =98 - 12 = 8 - 2 = 22 + 1 = 96 - 62 =69 - 54 = 32 + 26 = 89 - 83 = 68 - 8 =54 + 21 = 88 - 81 = 49 - 33 = 85 - 5 =68 - 47 = 43 + 51 = 58 - 52 = 95 - 5 =37 - 31 = 98 - 17 = 31 + 20 = 93 - 70 =二、列竖式计算。
100以内不进位不退位加减法口算题

100以内(不进位不退位)口算练习题(1)班级__________ 学号__________ 姓名__________一、口算79 - 41 = 88 - 5 = 46 + 13 = 96 - 44 = 17 - 12 = 77 - 43 = 10 + 65 = 11 + 25 = 88 + 10 = 69 - 9 = 12 + 14 = 65 - 30 = 55 - 11 = 66 - 22 = 56 + 10 = 46 - 13 = 5 + 54 = 40 + 39 = 76 - 52 = 98 - 11 = 13 + 66 = 88 - 72 = 43 + 31 = 86 - 11 = 2 + 25 = 20 + 36 = 57 - 22 = 89 - 2 =28 - 11 = 86 - 82 = 56 - 55 = 75 - 65 = 79 - 61 = 93 - 21 = 22 + 42 = 20 + 74 = 48 - 45 = 96 - 96 = 55 - 31 = 11 + 36 = 17 + 12 = 80 + 20 = 26 + 3 = 64 - 34 = 31 + 30 = 55 - 51 = 87 - 77 = 27 + 2 =3 + 23 = 77 - 36 = 20 + 18 = 63 + 32 = 42 + 55 =4 + 40 = 30 + 14 = 93 - 52 = 4 - 4 = 20 + 31 = 84 - 74 = 53 + 40 = 35 + 54 = 96 - 31 = 10 + 33 = 26 - 10 = 99 - 89 = 57 - 55 = 69 - 29 = 36 - 14 = 33 + 32 = 99 - 56 = 6 + 71 = 10 + 78 = 18 - 5 = 34 - 11 = 68 - 37 = 0 + 38 = 86 - 55 = 56 - 26 = 47 - 31 = 86 - 5 =98 - 12 = 8 - 2 = 22 + 1 = 96 - 62 = 69 - 54 = 32 + 26 = 89 - 83 = 68 - 8 =54 + 21 = 88 - 81 = 49 - 33 = 85 - 5 =68 - 47 = 43 + 51 = 58 - 52 = 95 - 5 =37 - 31 = 98 - 17 = 31 + 20 = 93 - 70 =二、列竖式计算。
100以内加减法竖式计算同步测验训练题大全附答案

100以内加减法竖式计算同步测验训练题大全附答案一、加法练习1. 两位数加两位数(不进位)- 23 + 45 =- 67 + 89 =- 12 + 56 =- 34 + 78 =- 89 + 67 =- 56 + 12 =- 78 + 34 =- 67 + 89 =- 45 + 23 =- 56 + 12 =2. 两位数加两位数(进位)- 23 + 45 =- 67 + 89 =- 12 + 56 =- 34 + 78 =- 89 + 67 =- 56 + 12 =- 78 + 34 =- 67 + 89 =- 45 + 23 =- 56 + 12 =3. 两位数加一位数(不进位) - 23 + 5 =- 67 + 8 =- 12 + 6 =- 34 + 7 =- 89 + 5 =- 56 + 3 =- 78 + 4 =- 67 + 2 =- 45 + 9 =- 12 + 8 =4. 两位数加一位数(进位) - 23 + 5 =- 67 + 8 =- 12 + 6 =- 34 + 7 =- 89 + 5 =- 56 + 3 =- 78 + 4 =- 67 + 2 =- 45 + 9 =- 12 + 8 =二、减法练习1. 两位数减两位数(不退位) - 67 - 23 =- 89 - 45 =- 56 - 12 =- 78 - 34 =- 67 - 89 =- 34 - 78 =- 89 - 67 =- 56 - 12 =- 78 - 34 =2. 两位数减两位数(退位) - 67 - 23 =- 89 - 45 =- 56 - 12 =- 78 - 34 =- 67 - 89 =- 12 - 56 =- 34 - 78 =- 89 - 67 =- 56 - 12 =- 78 - 34 =3. 两位数减一位数(不退位) - 67 - 5 =- 56 - 6 =- 78 - 7 =- 67 - 5 =- 12 - 3 =- 34 - 4 =- 89 - 2 =- 56 - 9 =- 78 - 8 =4. 两位数减一位数(退位) - 67 - 5 =- 89 - 8 =- 56 - 6 =- 78 - 7 =- 67 - 5 =- 12 - 3 =- 34 - 4 =- 89 - 2 =- 78 - 8 =三、混合练习1. 两位数加减两位数(不进位) - 23 + 45 - 67 =- 89 - 56 + 12 =- 78 + 34 - 67 =- 67 - 23 + 45 =- 56 - 12 + 34 =- 78 - 34 + 67 =- 67 + 23 - 45 =- 12 + 56 - 78 =- 34 + 78 - 67 =- 89 - 45 + 23 =2. 两位数加减两位数(进位) - 23 + 45 - 67 =- 89 - 56 + 12 =- 78 + 34 - 67 =- 67 - 23 + 45 =- 56 - 12 + 34 =- 78 - 34 + 67 =- 67 + 23 - 45 =- 12 + 56 - 78 =- 34 + 78 - 67 =- 89 - 45 + 23 =3. 两位数加减一位数(不进位) - 23 + 5 - 6 =- 89 - 8 + 7 =- 56 + 6 - 9 =- 78 + 7 - 8 =- 67 + 5 - 6 =- 12 + 3 - 4 =- 34 + 4 - 5 =- 89 + 2 - 9 =- 56 + 9 - 8 =- 78 + 8 - 7 =4. 两位数加减一位数(进位) - 23 + 5 - 6 =- 89 - 8 + 7 =- 56 + 6 - 9 =- 78 + 7 - 8 =- 67 + 5 - 6 =- 12 + 3 - 4 =- 34 + 4 - 5 =- 89 + 2 - 9 =- 56 + 9 - 8 =- 78 + 8 - 7 =四、答案1. 加法练习- 23 + 45 = 68- 67 + 89 = 156- 12 + 56 = 68- 34 + 78 = 112- 89 + 67 = 156- 78 + 34 = 112 - 67 + 89 = 156 - 45 + 23 = 68 - 56 + 12 = 68 - 23 + 45 = 68 - 67 + 89 = 156 - 12 + 56 = 68 - 34 + 78 = 112 - 89 + 67 = 156 - 56 + 12 = 68 - 78 + 34 = 112 - 67 + 89 = 156 - 45 + 23 = 68 - 56 + 12 = 68 - 23 + 5 = 28 - 67 + 8 = 75 - 12 + 6 = 18- 89 + 5 = 94 - 56 + 3 = 59 - 78 + 4 = 82 - 67 + 2 = 69 - 45 + 9 = 54 - 12 + 8 = 20 - 23 + 5 = 28 - 67 + 8 = 75 - 12 + 6 = 18 - 34 + 7 = 41 - 89 + 5 = 94 - 56 + 3 = 59 - 78 + 4 = 82 - 67 + 2 = 69 - 45 + 9 = 54 - 12 + 8 = 20 2. 减法练习- 89 - 45 = 44 - 56 - 12 = 44 - 78 - 34 = 44 - 67 - 89 = -22 - 12 - 56 = -44 - 34 - 78 = -44 - 89 - 67 = 22 - 56 - 12 = 44 - 78 - 34 = 44 - 67 - 23 = 44 - 89 - 45 = 44 - 56 - 12 = 44 - 78 - 34 = 44 - 67 - 89 = -22 - 12 - 56 = -44 - 34 - 78 = -44 - 89 - 67 = 22- 78 - 34 = 44 - 67 - 5 = 62 - 89 - 8 = 81 - 56 - 6 = 50 - 78 - 7 = 71 - 67 - 5 = 62 - 12 - 3 = 9 - 34 - 4 = 30 - 89 - 2 = 87 - 56 - 9 = 47 - 78 - 8 = 70 - 67 - 5 = 62 - 89 - 8 = 81 - 56 - 6 = 50 - 78 - 7 = 71 - 67 - 5 = 62 - 12 - 3 = 9- 89 - 2 = 87- 56 - 9 = 47- 78 - 8 = 703. 混合练习- 23 + 45 - 67 = 1 - 89 - 56 + 12 = 45 - 78 + 34 - 67 = 45 - 67 - 23 + 45 = 89 - 56 - 12 + 34 = 78 - 78 - 34 + 67 = 111 - 67 + 23 - 45 = 45 - 12 + 56 - 78 = -10 - 34 + 78 - 67 = 45 - 89 - 45 + 23 = 67 - 23 + 45 - 67 = 1 - 89 - 56 + 12 = 45 - 78 + 34 - 67 = 45- 67 - 23 + 45 = 89 - 56 - 12 + 34 = 78 - 78 - 34 + 67 = 111 - 67 + 23 - 45 = 45 - 12 + 56 - 78 = -10 - 34 + 78 - 67 = 45 - 89 - 45 + 23 = 67 - 23 + 5 - 6 = 22- 89 - 8 + 7 = 88- 56 + 6 - 9 = 53- 78 + 7 - 8 = 77- 67 + 5 - 6 = 66- 12 + 3 - 4 = 11- 34 + 4 - 5 = 33- 89 + 2 - 9 = 82- 56 + 9 - 8 = 57- 78 + 8 - 7 = 79- 23 + 5 - 6 = 22- 89 - 8 + 7 = 88- 56 + 6 - 9 = 53- 78 + 7 - 8 = 77- 67 + 5 - 6 = 66- 12 + 3 - 4 = 11- 34 + 4 - 5 = 33- 89 + 2 - 9 = 82- 56 + 9 - 8 = 57- 78 + 8 - 7 = 79通过以上练习,可以帮助学生巩固100以内加减法的竖式计算方法,提高计算速度和准确性。
100以内不进位不退位加减法口算题++++

100以内(不进位不退位)口算练习题(1)班级__________ 学号__________ 姓名__________一、口算79 - 41 = 88 - 5 = 46 + 13 = 96 - 44 =17 - 12 = 77 - 43 = 10 + 65 = 11 + 25 =88 + 10 = 69 - 9 = 12 + 14 = 65 - 30 =55 - 11 = 66 - 22 = 56 + 10 = 46 - 13 =5 + 54 = 40 + 39 = 76 - 52 = 98 - 11 =13 + 66 = 88 - 72 = 43 + 31 = 86 - 11 =2 + 25 = 20 + 36 = 57 - 22 = 89 - 2 =28 - 11 = 86 - 82 = 56 - 55 = 75 - 65 =79 - 61 = 93 - 21 = 22 + 42 = 20 + 74 =48 - 45 = 96 - 96 = 55 - 31 = 11 + 36 =17 + 12 = 80 + 20 = 26 + 3 = 64 - 34 =31 + 30 = 55 - 51 = 87 - 77 = 27 + 2 =3 + 23 = 77 - 36 = 20 + 18 = 63 + 32 =42 + 55 = 4 + 40 = 30 + 14 = 93 - 52 =4 - 4 = 20 + 31 = 84 - 74 = 53 + 40 =35 + 54 = 96 - 31 = 10 + 33 = 26 - 10 =99 - 89 = 57 - 55 = 69 - 29 = 36 - 14 =33 + 32 = 99 - 56 = 6 + 71 = 10 + 78 =18 - 5 = 34 - 11 = 68 - 37 = 0 + 38 =86 - 55 = 56 - 26 = 47 - 31 = 86 - 5 =98 - 12 = 8 - 2 = 22 + 1 = 96 - 62 =69 - 54 = 32 + 26 = 89 - 83 = 68 - 8 =54 + 21 = 88 - 81 = 49 - 33 = 85 - 5 =68 - 47 = 43 + 51 = 58 - 52 = 95 - 5 =37 - 31 = 98 - 17 = 31 + 20 = 93 - 70 =二、列竖式计算。