整十数加一位数及相应的减法习题(有答案)-数学一年级下第四章100以内数的认识第8节人教版

2020——2021学年度第二学期人教版一年级数学第四章 100以内数的认识第8节整十数加一位数及相应的减法附参考答案一、算出得数。

40+2= 70+3= 10+8= 80+0= 40+5= 3+90= 10+6= 30+2= 50+9= 9+80= 1+10= 8+80=20+1= 20+3= 0+10= 6+40= 6+50= 20+4=20+2= 6+60= 90+2= 80+4= 90+4= 3+80= 60+4= 60+1= 2+60= 30+4= 40+7= 8+20=57–7= 62–60= 52–2= 18–8= 86–6= 68–8= 65–5= 55–50= 93–90= 35–5= 45–40= 79–70= 38–30= 27–20= 57–7= 37–7= 100–30= 66–6=二、在括号里填上适当的数。

46－（）＝6 6＋（）＝36 2＋（）＝27（）－3＝30 （）＋8＝68 5＋（）＝55三、解决问题。

1. 4位老师带60名学生一起去动物园，一共要买多少张门票？□○□＝□( )2.小明家有30只母鸡，8只公鸡，20只鸭子。

小明家一共有多少只鸡？□○□＝□( )3.小红看一共书，已经看了50页，还剩下6页没有看。

这本书一共有多少页？□○□＝□( )4.有40个学生，2个老师，每人一瓶矿泉水，45瓶够吗？□○□＝□( )□○□答：。

四、生活问题我解决。

1．小白兔摘了23个萝卜，小灰兔摘的和小白兔差不多，小灰兔可能摘了多少个萝卜？（1）在你认为合适的答案下面画“√”。

20个 23个 50个（2）小灰兔比小白兔少摘了（）个。

2．星期天，猫妈妈和小猫一起去钓鱼，它们一共钓了38条鱼，其中猫妈妈钓了30条，想一想，小猫钓了（）条。

五、想一想，填一填。

1．46里面有（）个十和（）个一．2．（）里面有5个十和9个一．3．十位上是5，个位上是7的数是（）．4．有一个两位数，个位上是3，十位上的数比个位上的数多2，这个数是（）．5．在12、36、50、34、18、90这6个数中，比36小一些的数是（），比36大一些的数是（），比12大又比34小的数是（），（）比50大得多．六、应用题．1．图书室有78本书，借走8本，还剩多少本？2．学校有跳绳40根，又买来5根，现在有多少根？3．小红借给李军10本练习本，又借给王思8本练习本，共借出多少本？ 4．王伯伯要修28张桌子，已修好8张，还要修几张？【参考答案】一、42 73 18 80 45 9316 32 59 89 11 8821 23 10 46 56 2422 66 92 84 94 8364 61 62 34 47 2850 2 50 10 80 6060 5 3 30 5 98 7 50 30 70 60二、 40 30 2033 60 50三、1. 4+60=64（张） 2.30+8=38（只） 3. 50+6=56（页）4. 40+2=42（个） 45>42 答：每人一瓶矿泉水够。

90 + 8 =16 - 10 = 5 + 30 =88 - 8 =0 + 80 =85 - 80 =30 + 2 =25 - 20 = 2 + 20 =87 - 80 =84 - 80 =8 + 80 =89 - 9 =79 - 9 = 2 + 90 =70 + 5 =83 - 80 = 1 + 30 =35 - 5 =32 - 2 =29 - 20 =50 + 5 =61 - 1 =67 - 7 =3 + 40 =77 - 70 = 4 + 60 =96 - 90 =30 + 3 = 1 + 80 =2 + 80 =99 - 90 =30 + 7 =4 + 40 =14 - 10 =72 - 2 =25 - 5 =53 - 50 = 5 + 40 =60 + 4 =21 - 1 = 1 + 40 =32 - 30 =70 + 8 =6 + 40 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:11 - 10 =7 + 20 =77 - 70 = 43 - 40 =9 + 70 =31 - 1 = 12 - 2 =70 + 8 = 3 + 80 = 30 + 9 =20 + 7 =30 + 3 = 10 + 7 =70 + 9 =37 - 7 = 6 + 10 =30 + 2 =16 - 6 = 44 - 4 =46 - 40 =52 - 50 = 93 - 3 =0 + 50 =17 - 7 = 66 - 6 =24 - 4 =7 + 10 = 5 + 10 =54 - 50 =7 + 60 = 54 - 4 = 4 + 70 =38 - 8 = 70 + 1 =50 + 7 =48 - 8 = 10 + 1 =91 - 1 =72 - 2 = 20 + 3 =70 + 6 = 4 + 80 = 60 + 4 =0 + 30 =10 + 5 = 4 + 50 = 5 + 70 =42 - 2 = 60 + 8 =45 - 5 =83 - 80 = 17 - 10 =80 + 9 = 2 + 90 = 21 - 1 =11 - 10 =20 + 3 =84 - 80 =55 - 5 = 1 + 90 =30 + 2 =20 + 7 = 1 + 20 =93 - 3 =30 + 5 =78 - 70 =68 - 8 =40 + 2 = 1 + 10 = 5 + 40 =37 - 30 =85 - 80 =91 - 90 =0 + 80 = 6 + 80 =96 - 90 =8 + 50 =82 - 2 =54 - 50 =32 - 30 = 1 + 30 =9 + 70 =7 + 90 =77 - 70 =40 + 3 =3 + 10 =56 - 6 =80 + 7 =70 + 9 =24 - 20 =7 + 60 =23 - 20 =8 + 40 =67 - 7 =27 - 7 =60 + 4 =70 + 8 =10 + 9 =9 + 30 =30 + 3 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:12 - 2 = 6 + 90 =68 - 60 = 64 - 60 =70 + 3 =19 - 10 = 24 - 20 =10 + 0 =72 - 70 = 53 - 3 =84 - 80 =17 - 10 = 83 - 3 =89 - 9 =22 - 2 = 4 + 20 = 5 + 30 =37 - 7 = 45 - 5 =38 - 8 =91 - 90 = 56 - 6 =79 - 70 =90 + 5 = 20 + 3 = 1 + 20 =50 + 4 = 40 + 1 =99 - 90 =12 - 10 = 80 + 3 =88 - 80 =60 + 4 = 6 + 50 =7 + 60 =0 + 20 = 48 - 8 =50 + 7 =85 - 80 = 50 + 3 = 5 + 40 = 1 + 80 = 55 - 5 = 4 + 70 =37 - 30 = 3 + 40 =43 - 3 =67 - 60 = 60 + 8 =20 + 7 =15 - 5 = 31 - 30 =17 - 7 = 4 + 60 = 21 - 1 =0 + 60 =16 - 6 =0 + 30 =80 + 6 = 4 + 10 = 4 + 30 =23 - 20 =27 - 7 = 6 + 10 =1 + 40 =46 - 6 = 6 + 40 =80 + 8 =75 - 70 = 3 + 60 =5 + 50 =7 + 80 =10 + 7 =6 + 80 =77 - 70 = 5 + 20 =10 + 9 =70 + 8 =8 + 40 =25 - 20 =68 - 8 = 2 + 90 =3 + 80 = 3 + 10 =90 + 4 =33 - 3 =46 - 40 =40 + 4 =39 - 30 =50 + 2 =0 + 80 =30 + 9 =83 - 80 =10 + 5 =79 - 9 = 2 + 30 =30 + 5 =78 - 70 =21 - 20 =59 - 9 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:0 + 60 =86 - 6 =41 - 40 = 50 + 4 = 3 + 10 =30 + 8 = 30 + 9 =20 + 1 =13 - 10 = 54 - 50 =75 - 5 =31 - 1 = 78 - 70 =70 + 9 =20 + 7 = 51 - 50 = 2 + 30 =82 - 2 = 20 + 4 =47 - 7 = 5 + 20 = 60 + 8 =45 - 5 =37 - 7 = 1 + 50 =37 - 30 =60 + 0 = 20 + 2 =30 + 5 =40 + 1 = 80 + 2 =9 + 70 = 6 + 20 = 63 - 60 =33 - 3 =48 - 40 = 60 + 3 =39 - 30 =36 - 6 =7 + 40 =95 - 5 =21 - 20 =8 + 50 =46 - 40 =7 + 50 = 75 - 70 =80 + 9 =36 - 30 = 4 + 70 =7 + 20 =9 + 90 = 98 - 90 =10 + 8 =68 - 60 = 19 - 9 =27 - 20 =60 + 4 =7 + 20 =78 - 8 =13 - 10 = 4 + 10 =69 - 9 =10 + 7 =48 - 8 =52 - 50 =91 - 1 =89 - 9 =19 - 10 =56 - 6 = 3 + 50 =55 - 5 =54 - 50 = 5 + 70 =4 + 90 = 4 + 40 =30 + 0 =34 - 30 = 1 + 10 =14 - 10 =66 - 60 =0 + 70 = 3 + 10 =4 + 20 =30 + 8 =66 - 6 =48 - 40 =90 + 7 =7 + 60 =90 + 3 =46 - 6 = 2 + 10 =3 + 60 =50 + 7 =40 + 4 =43 - 3 = 6 + 80 =69 - 60 =47 - 40 =41 - 1 =35 - 5 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:7 + 10 =87 - 80 = 5 + 30 = 90 + 5 = 4 + 40 =43 - 3 = 51 - 50 =59 - 50 = 1 + 80 = 38 - 8 =45 - 5 = 6 + 40 = 20 + 1 =60 + 6 =30 + 8 = 8 + 30 = 5 + 70 =50 + 1 = 14 - 10 =89 - 9 = 1 + 50 = 74 - 4 =70 + 4 =16 - 6 = 86 - 6 =7 + 20 =66 - 6 = 29 - 9 =64 - 4 =50 + 5 = 72 - 70 =50 + 7 =97 - 90 = 10 + 6 =47 - 7 =91 - 1 = 40 + 5 =60 + 1 =48 - 8 = 60 + 0 =90 + 0 =53 - 3 = 80 + 0 =0 + 60 =64 - 60 = 61 - 1 =10 + 7 =40 + 1 = 19 - 10 =86 - 80 = 2 + 80 = 8 + 80 =49 - 40 =9 + 90 = 5 + 10 =1 + 80 =70 +2 =3 + 10 =19 - 10 = 1 + 30 =0 + 30 =91 - 90 = 6 + 80 =73 - 3 =70 + 8 =20 +4 =66 - 6 =1 + 90 =8 + 80 =5 + 80 =10 + 5 =48 - 40 =22 - 20 =90 + 0 =60 + 4 =61 - 1 =59 - 50 =86 - 6 =60 + 5 =20 + 2 =16 - 6 =31 - 30 =6 + 10 =14 - 10 =50 + 6 =10 + 6 =92 - 2 =38 - 8 =2 + 70 = 5 + 40 =89 - 9 =50 + 2 =66 - 60 =56 - 50 =39 - 30 = 2 + 80 =20 + 0 =5 + 10 =84 - 80 =70 + 6 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:53 - 50 =77 - 7 =78 - 70 = 91 - 90 = 1 + 90 =23 - 3 = 70 + 6 =7 + 50 =80 + 0 = 21 - 1 =20 + 3 =61 - 1 = 24 - 4 =8 + 30 =0 + 80 = 81 - 1 =68 - 8 =68 - 60 = 5 + 40 =32 - 2 =40 + 1 = 32 - 30 =0 + 30 =79 - 9 = 44 - 40 =30 + 5 =11 - 1 = 2 + 30 = 5 + 20 =65 - 5 = 10 + 5 =85 - 5 = 5 + 10 = 16 - 6 = 5 + 90 =20 + 1 = 24 - 20 =84 - 80 =8 + 80 = 72 - 70 =40 + 3 =70 + 9 = 85 - 80 = 2 + 70 =77 - 70 = 70 + 8 =38 - 8 =60 + 1 = 60 + 8 = 3 + 40 = 4 + 70 = 97 - 7 =94 - 90 =50 + 2 = 0 + 60 =6 + 40 = 4 + 20 =10 + 8 =78 - 70 =84 - 80 =0 + 80 =50 + 5 =72 - 70 =99 - 90 =0 + 70 =26 - 20 =60 + 6 =1 + 20 = 2 + 70 = 2 + 80 =57 - 50 =0 + 60 =9 + 90 =43 - 3 = 1 + 80 =84 - 4 =19 - 10 =80 + 5 =89 - 9 =40 + 6 =25 - 5 =82 - 2 =80 + 0 =23 - 20 =79 - 9 =68 - 60 =50 +9 =46 - 6 =35 - 5 =97 - 90 =34 - 30 =35 - 30 =78 - 8 =8 + 80 =75 - 5 =8 + 50 =56 - 50 =39 - 30 =5 + 40 =48 - 40 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:91 - 1 =82 - 2 =70 + 0 = 23 - 20 = 6 + 40 =11 - 10 = 80 + 2 =80 + 8 =70 + 9 =3 + 20 =48 - 8 =30 + 9 =4 + 60 =72 - 70 =97 - 90 = 1 + 10 =99 - 90 =60 + 7 =5 + 60 =60 + 8 = 3 + 80 = 36 - 30 =20 +7 =50 + 9 = 13 - 10 =0 + 70 =80 + 9 = 9 + 20 = 1 + 20 = 3 + 40 = 45 - 5 =0 + 60 =68 - 60 = 7 + 20 =67 - 7 =10 + 8 = 35 - 30 =62 - 60 =54 - 50 = 30 + 2 =16 - 10 =34 - 30 = 64 - 4 =50 + 7 =17 - 10 = 25 - 20 =78 - 70 =7 + 60 = 37 - 7 =49 - 40 =54 - 4 = 79 - 9 =20 + 3 = 1 + 70 = 60 + 0 =40 + 4 =30 + 3 = 3 + 10 =30 + 2 =13 - 10 =72 - 70 =5 + 20 =71 - 1 =50 + 5 =43 - 40 =9 + 70 =68 - 60 =0 + 70 =29 - 9 =83 - 80 =3 + 90 =82 - 2 = 3 + 40 =5 + 10 = 3 + 70 =8 + 50 =4 + 10 =90 + 0 =10 + 3 =5 + 40 =11 - 10 = 4 + 30 =2 + 80 =52 - 50 = 2 + 70 =3 + 80 =40 + 3 = 4 + 60 =30 + 5 =48 - 40 =10 + 7 =37 - 7 =86 - 6 =50 + 2 =58 - 8 =43 - 3 =80 + 0 =2 + 30 =15 - 5 =30 + 8 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:53 - 3 = 5 + 70 =70 + 3 = 80 + 8 =50 + 7 =44 - 40 = 24 - 20 =60 + 2 =32 - 30 = 45 - 40 = 6 + 80 =10 + 4 = 8 + 80 =70 + 9 =17 - 10 = 56 - 6 =60 + 8 =58 - 50 = 2 + 10 =34 - 30 =10 + 8 = 7 + 60 =10 + 2 =93 - 90 = 0 + 30 =47 - 40 =66 - 6 = 0 + 80 =62 - 60 =90 + 9 = 6 + 10 = 3 + 30 = 1 + 10 = 60 + 0 =79 - 9 =28 - 8 = 6 + 90 =80 + 6 =29 - 20 = 35 - 5 =77 - 70 =9 + 60 = 5 + 90 =50 + 9 =25 - 20 = 5 + 60 =40 + 1 = 6 + 40 = 73 - 3 =39 - 30 =20 + 0 = 89 - 9 =23 - 20 =68 - 8 = 1 + 20 =19 - 10 =10 + 9 =52 - 2 =71 - 70 =22 - 20 =20 + 2 =45 - 5 =79 - 9 =43 - 3 =28 - 8 =48 - 40 =10 + 6 =50 + 7 = 5 + 10 =60 + 5 =6 + 20 =7 + 50 =49 - 40 =60 + 4 = 1 + 80 =24 - 20 =85 - 80 =30 + 2 =87 - 7 =6 + 40 = 2 + 70 = 6 + 10 =99 - 90 =53 - 50 =55 - 50 =78 - 70 = 4 + 10 =47 - 7 =8 + 40 =38 - 8 =84 - 4 =82 - 2 =0 + 70 =50 + 4 =30 + 6 =78 - 8 =35 - 30 =70 + 8 =1 + 50 =4 + 60 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:4 + 70 =54 - 50 =10 + 8 =68 - 60 =66 - 6 =34 - 30 =69 - 60 = 3 + 10 =39 - 9 = 7 + 60 =40 + 1 =60 + 8 = 2 + 80 =76 - 6 =8 + 20 = 70 + 5 = 1 + 30 =30 + 9 = 5 + 20 =68 - 8 =23 - 20 = 29 - 9 =98 - 90 = 5 + 80 = 83 - 80 =31 - 1 =94 - 90 = 1 + 20 =70 + 4 =9 + 70 = 5 + 70 =80 + 8 = 5 + 60 = 21 - 1 =57 - 7 =20 + 4 = 67 - 7 = 6 + 80 =60 + 0 = 8 + 30 = 4 + 20 =80 + 4 = 2 + 10 =0 + 30 = 6 + 60 = 48 - 8 =35 - 5 =17 - 7 = 25 - 20 =16 - 6 =13 - 10 = 90 + 9 =7 + 20 =89 - 9 = 0 + 60 =70 + 9 = 5 + 10 =54 - 50 =6 + 10 =13 - 10 =80 + 9 =65 - 60 =7 + 20 =30 + 3 =32 - 2 =63 - 60 =81 - 1 =80 + 5 =69 - 60 =40 + 9 =60 + 9 =95 - 5 =70 + 8 =1 + 70 =49 - 9 =24 - 20 =31 - 30 =39 - 30 =8 + 70 =9 + 70 = 3 + 40 = 3 + 50 =91 - 90 =21 - 1 = 2 + 10 =85 - 80 =60 + 4 =49 - 40 =54 - 4 =90 + 0 =7 + 60 =0 + 30 =34 - 30 = 6 + 80 =0 + 70 =86 - 80 =70 + 5 =16 - 6 =60 + 8 =5 + 70 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:92 - 2 =37 - 30 =50 + 2 = 20 + 3 =56 - 6 =20 + 5 = 68 - 8 =0 + 60 =94 - 4 = 38 - 30 =29 - 20 =30 + 2 = 20 + 1 =59 - 50 =10 + 6 = 53 - 3 =27 - 20 =82 - 2 = 25 - 20 =7 + 90 =20 + 4 = 50 + 0 =70 + 6 = 1 + 10 = 38 - 8 =80 + 0 =39 - 9 = 10 + 4 =89 - 80 =64 - 60 = 79 - 9 =35 - 30 =97 - 90 = 50 + 7 =23 - 3 =32 - 30 = 83 - 80 =8 + 40 =30 + 5 = 50 + 5 =72 - 70 = 1 + 30 = 26 - 6 =35 - 5 =40 + 1 = 4 + 30 =45 - 5 =10 + 5 = 78 - 70 =40 + 3 =8 + 90 = 1 + 20 = 2 + 80 =43 - 40 = 6 + 40 =39 - 30 =71 - 1 =32 - 30 =78 - 70 =74 - 70 = 4 + 30 =5 + 10 = 4 + 60 =93 - 90 =91 - 1 =10 + 6 =7 + 60 =60 + 5 =81 - 80 = 2 + 80 =79 - 9 =17 - 10 =90 + 6 =86 - 6 =80 + 7 =45 - 5 =85 - 5 =94 - 4 =8 + 40 =19 - 10 =64 - 60 =41 - 40 =80 + 8 =20 + 5 =59 - 50 =44 - 40 =91 - 90 =85 - 80 =23 - 20 =10 + 5 =68 - 8 =55 - 5 =56 - 6 = 3 + 10 =48 - 40 =30 + 9 =7 + 10 =50 + 7 =8 + 10 =32 - 2 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:9 + 30 =60 + 8 = 6 + 10 = 30 + 3 = 1 + 30 = 2 + 30 = 40 + 3 =99 - 9 =37 - 7 = 26 - 6 =60 + 2 =34 - 30 = 6 + 80 =53 - 3 = 2 + 70 = 46 - 6 =8 + 90 =72 - 70 = 6 + 40 =8 + 50 =99 - 90 = 90 + 0 =66 - 6 = 5 + 40 = 70 + 9 =38 - 30 = 4 + 40 = 55 - 50 =90 + 8 =35 - 5 = 80 + 0 =50 + 5 =52 - 2 = 20 + 1 =9 + 50 =40 + 9 = 70 + 4 =67 - 7 =50 + 2 = 11 - 10 =61 - 1 =24 - 20 = 5 + 30 =60 + 4 =63 - 3 = 3 + 40 =70 + 8 =63 - 60 = 76 - 6 =80 + 9 =25 - 20 = 30 + 2 =23 - 3 =12 - 10 = 40 + 1 =30 + 8 =17 - 10 =79 - 70 =2 + 30 =30 + 0 =35 - 5 =0 + 60 =39 - 30 = 6 + 40 =30 + 5 =50 + 5 =68 - 8 =3 + 70 =68 - 60 = 4 + 40 =78 - 8 =70 + 9 =60 + 0 =70 + 8 =60 + 8 =20 + 5 =4 + 30 = 4 + 70 =40 + 3 =5 + 40 =71 - 70 =19 - 10 =25 - 20 =55 - 5 =28 - 8 =1 + 80 =49 - 40 = 1 + 70 =85 - 5 =48 - 8 =20 + 7 =61 - 1 =31 - 1 =89 - 9 =97 - 90 =77 - 7 =32 - 30 =3 + 60 =80 + 1 =1 + 60 =练习范围：整十数加一位数及相应的减法 题数：100月 日姓名: 分秒成绩:20 + 8 =59 - 50 =34 - 30 = 8 + 80 =0 + 80 =13 - 10 = 2 + 20 =46 - 6 =64 - 4 = 99 - 9 =57 - 50 =7 + 20 = 6 + 80 = 2 + 10 = 2 + 60 = 20 + 1 =10 + 5 =54 - 50 = 10 + 6 =67 - 7 =40 + 6 = 23 - 20 = 1 + 30 =77 - 70 = 85 - 80 = 2 + 80 =90 + 0 = 3 + 40 =56 - 50 =40 + 0 = 99 - 90 =80 + 0 = 5 + 70 = 29 - 9 =84 - 80 = 3 + 10 = 8 + 40 =60 + 2 =11 - 10 = 40 + 1 =29 - 20 =79 - 9 = 3 + 50 =30 + 2 = 1 + 20 = 15 - 10 =50 + 7 =91 - 90 = 60 + 4 =45 - 5 = 5 + 20 = 30 + 3 =48 - 40 =63 - 60 = 6 + 10 =。

《整十位数加一位数及相应的减法》同步练习一、单选题1.下列数字是整十数的是（）A.40B.45C.952.6＋70=（）A.67B.76C.133.三个十和五个一加起来是（）A.75B.60C.354.有32个桃子，小明拿走了2个，还剩下（）个A.34B.30C.405.图书馆有78本书，借走8本，还剩下（）本A.60B.70C.80二、判断题1.三个十和四个一合起来是70（）2.全班原本有40个同学，转学来了2个同学后，现在有42个同学（）3.1＋90=100 （）4.整十数加一个个位数还是一个整十数（）5.幼儿园有73个玩具，不见了3个以后，还有70个（）三、填空题1.6个老师带40个同学去电影院，那么他们一共要买________张票。

2.50＋7=________3.57－7=________4.学校有50跟跳绳，又买来了4根，现在有________根跳绳。

5.李伯伯要修23张凳子，已经修好了3张，还要修________张凳子。

6.小白兔摘了21个蘑菇，小灰兔比小白兔少摘了一个，小灰兔摘了________个蘑菇。

7.小明借给了小红8本书，又借给了小刚30本书，合计小明借出去了________本书。

8.爸爸和儿子去钓鱼，一共钓了38条，其中儿子钓了8条，那么爸爸钓了________条鱼。

9.小明家有30只公鸡，8只母鸡，也就是说小明家一共有________只鸡。

10.4个十和________个一合起来是47。

四、应用题1.小明这次考试成绩退步了7分，他上次考试的成绩是87分，请问他这次考试的成绩是多少分?2.3名老师和40名同学去秋游，请问他们一共带45瓶水够吗?3.妈妈和小明一共有75元，妈妈给了小明5元，请问妈妈自己还有多少元?4.动物园门票有分成人票和儿童票，成人票一共45元，儿童票比成人票便宜5元，请问儿童票多少钱?5.一个数字比60多7，那请问这个数字比70少几?答案解析部分一、单选题1.【答案】A【解析】【解答】整十数的个位数是0【分析】整十数是两位数，十位数不确定，但是个位数一定是02.【答案】A【解析】【解答】整十数加上个位数就等于将整十数个位上的0换成这个个位数【分析】整十数的运算可以直接换03.【答案】C【解析】【解答】3个十可以看做30，五个一可以看做5，加起来就是35【分析】三个十和五个一可以看做30和5来相加4.【答案】B【解析】【解答】32－2=30，所以还剩下30个【分析】有32个桃子，减去小明拿走的2个，还剩下30个桃子5.【答案】B【解析】【解答】78－8=70，所以还剩下70本【分析】有78本书，减去借走的8本，还有70本剩下二、判断题1.【答案】错误【解析】【解答】三个十和四个一合起来不是70，而是34【分析】三个十可以看做30，四个一可以看做4，加起来是342.【答案】正确【解析】【解答】40＋2=42，所以现在有42个同学【分析】40个同学，加上转来的两个同学，有40＋2=42个同学3.【答案】错误【解析】【解答】1＋90=91才对，而不是100【分析】1加在90的个位上，所以得到得数914.【答案】错误【解析】【解答】整十数加上一个个位数不可能是整十数，因为个位数加在了整十数的个位上，得到的不会是整十数【分析】只有个位数是0的两位数才可以称作整十数5.【答案】正确【解析】【解答】73－3=70，所以还有70个【分析】有73个玩具，减去不见的3个以后，还有73－3=70个玩具剩下三、填空题1.【答案】46【解析】【解答】40＋6=46，所以一共要买46张电影票【分析】将老师的6张和同学的40张加起来，就是一共买的46张2.【答案】57【解析】【解答】将7加在50的个位数上，得到得数57【分析】7和50相加，将7替换掉50的0，得到573.【答案】50【解析】【解答】57减去7，等于将57的个位数变成0【分析】57的个位数上的7正好给减数7减去，所以剩下504.【答案】54【解析】【解答】50加上4等于54，也就是有54根跳绳【分析】50根跳绳，加上再买来的4根，现在一共有54根跳绳5.【答案】20【解析】【解答】李伯伯修23张凳子，修好3张以后，还有23－3=20张没有修【分析】修好的3张当做减数，23－3，得到没修好的20张6.【答案】20【解析】【解答】21－1=20，所以小灰兔摘了20个【分析】小白兔摘了21个，小灰兔再比小白兔少一个，21－1=20个7.【答案】38【解析】【解答】小明借给了小红8本，又借给了小刚30本，一共借了30＋8=38本书【分析】将借给两个人的书的数目加起来，就是合计借出去的数目8.【答案】30【解析】【解答】38－8=30，所以爸爸钓了30条【分析】爸爸和儿子合作钓鱼，将总共的数目减去儿子的数目，就得到爸爸的数目9.【答案】38【解析】【解答】30＋8=38，小明家一共有38只鸡【分析】将公鸡和母鸡加起来，得到一共有多少只鸡10.【答案】7【解析】【解答】40加7才等于47，也就是有7个一【分析】四个十和七个一相当于40和7，加起来等于47四、应用题1.【答案】解：87－7=80，答：这次考了80分【解析】【分析】上次考试的87分减去退步的7分，得到这次考试的成绩2.【答案】解：40＋3=43，答：一共有45瓶水，大于43人，所以是足够的【解析】【分析】只要水的总数大于一共的人数，就能知道45瓶水够不够3.【答案】解：75-5=70（元）答：妈妈自己还有70元。

整十数加一位数及相应的
减法
名：
1、计算。

60＋5＝30＋2＝4＋70＝
38－8＝1＋40＝34－4＝
57－50＝55－5＝90＋6＝
20＋9＝28－20＝59－50＝
7＋40＝9＋80＝
8＋60＝
2、4位老师带60名学生一起去动物园，一共要买多少张门票？
□○□＝□( )
3、小明家有30只母鸡，8只公鸡，20只鸭子。

小明家一共有多少只鸡？
□○□＝□( )
4、小红看一共书，已经看了50页，还剩
下6页没有看。

这本书一共有多少页？
□○□＝□( )
5、有40个学生，2个老师，每人一瓶矿泉水，45瓶够吗？
□○□＝□( )
□○□答：
整十数加一位数及相应的减法
名：
1、计算。

60＋5＝30＋2＝4＋70＝
38－8＝1＋40＝34－4＝
57－50＝55－5＝90＋6＝
20＋9＝28－20＝59－50＝
7＋40＝9＋80＝
8＋60＝
2、4位老师带60名学生一起去动物园，一共要买多少张门票？
□○□＝□( )
3、小明家有30只母鸡，8只公鸡，20只鸭子。

小明家一共有多少只鸡？
□○□＝□( )
4、小红看一共书，已经看了50页，还剩
下6页没有看。

这本书一共有多少页？
□○□＝□( )
5、有40个学生，2个老师，每人一瓶矿泉水，45瓶够吗？
□○□＝□( )
□○□答：。

（苏教版）一年级数学下册整十数加一位数及相应的减法
班级______姓名______
一、填空
1 看图填数
（）（）
2 3个十和4个一组成的数是（）
个位上是5，十位上是8的数是（）
3 照规律填数
4
30＋24=（54 36） 55－5=（5 50） 7＋40=（47 40）
79－6=（73 19） 86－5=（81 36） 82＋7=（89 91）
小红比小明少数多少个？
2 树上一共有40只鸟
两次一共飞走多少只？
3 小红做了43面，送给幼儿园小朋友一些后，还剩3面，送走了多少面？
4 树上有12只小鸟，飞走一些后，还剩4只，飞走多少只？
四、拓展运用
用3、9、5这三个数字中的任意两个数字可以组成不同的两位数，其中最大的是（ ），最小的是（ ）
奥数
华华今年10岁，妈妈年40岁再过5年后，妈妈比华华大多少岁？
数学故事
唐诗中的“数学”搭配
“两个黄鹂鸣翠柳，一行白鹭上青天窗含西岭千秋雪，门泊东吴万里船”这是杜甫的即景小诗《绝句》
“两个”写鸟儿在新绿的柳枝上成双成对歌唱，呈现出一派愉悦的景色“一行“则写出白鹭在“青天”的映衬下，自然成行，无比优美的飞翔姿态“千秋”言雪景之长“万里”言船景空间之广，给读者以无穷的联想
参考答案
一、
124、100
2 34、85
3 略
4 54、50、47、73、81、89
二、74、40、71、22、80、37、77、59、29、38、89、39
三、
1 26－2=24（个）
2 20＋9=29（只）
3 43－3=40（面）
4 12－4=8（只）
四、95、35
奥数 30岁。

整十数加一位数及相应的减法练习题一、口算.40+2= 40+2= 70+3= 10+8= 80+0=3+90= 10+6= 30+2= 50+9= 9+80=1+10= 8+80= 20+1= 20+3= 0+10=二、在括号里填上适当的数．100－（）＝80 30＋（）＝37 40＋（）＝4546－（）＝6 6＋（）＝36 2＋（）＝27（）－3＝30 （）＋8＝68 6＋（）＝55三、应用题．1．图书室有78本书，借走8本，还剩多少？2．学校有跳绳40根，又买来5根，现在有多少根？3．小红借给李军10本练习本，又借给王思8本练习本，共借出多少本？4．王伯伯要修28张桌子，已修好8张，还要修几张？四、生活问题我解决．w W w .x K b 1.c o M1．小白兔摘了23个萝卜，小灰兔摘的和小白兔差不多，小灰兔可能摘了多少个萝卜？在你认为合适的答案下面画“√”．小灰兔比小白兔少摘了（）个2．星期天，猫妈妈和小猫一起去钓鱼，它们一共钓了38条鱼，其中猫妈妈钓了30条，想一想，小猫钓了（）条．五、看一看，想一想，填一填．3．46里面有（）个十和（）个一．4．（）里面有5个十和9个一．5．十位上是5，个位上是2的数是（）．6．有一个两位数，个位上是3，十位上的数比个位上的数多2，这个数是（）．7．在12、36、50、34、18、90这6个数中，比36小一些的数是（），比36大一些的数是（），比12大又比34小的数是（），（）比50大得多．六、比一比，排一排．w .c O m1．47○74 59○55 100○97 60○702．72＜（）（）＞56 80＞（）（）＞93．把80、36、63、56、37按从小到大的顺序排列起来：（）＜（）＜（）＜（）＜（）。

90 + 8 =16 - 10 = 5 + 30 =88 - 8 =0 + 80 =85 - 80 =30 + 2 =25 - 20 = 2 + 20 =87 - 80 =84 - 80 =8 + 80 =89 - 9 =79 - 9 = 2 + 90 =70 + 5 =83 - 80 = 1 + 30 =35 - 5 =32 - 2 =29 - 20 =50 + 5 =61 - 1 =67 - 7 =3 + 40 =77 - 70 = 4 + 60 =96 - 90 =30 + 3 = 1 + 80 =2 + 80 =99 - 90 =30 + 7 =4 + 40 =14 - 10 =72 - 2 =25 - 5 =53 - 50 = 5 + 40 =60 + 4 =21 - 1 = 1 + 40 =32 - 30 =70 + 8 =6 + 40 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:11 - 10 =7 + 20 =77 - 70 = 43 - 40 =9 + 70 =31 - 1 = 12 - 2 =70 + 8 = 3 + 80 = 30 + 9 =20 + 7 =30 + 3 = 10 + 7 =70 + 9 =37 - 7 = 6 + 10 =30 + 2 =16 - 6 = 44 - 4 =46 - 40 =52 - 50 = 93 - 3 =0 + 50 =17 - 7 = 66 - 6 =24 - 4 =7 + 10 = 5 + 10 =54 - 50 =7 + 60 = 54 - 4 = 4 + 70 =38 - 8 = 70 + 1 =50 + 7 =48 - 8 = 10 + 1 =91 - 1 =72 - 2 = 20 + 3 =70 + 6 = 4 + 80 = 60 + 4 =0 + 30 =10 + 5 = 4 + 50 = 5 + 70 =42 - 2 = 60 + 8 =45 - 5 =83 - 80 = 17 - 10 =80 + 9 = 2 + 90 = 21 - 1 =11 - 10 =20 + 3 =84 - 80 =55 - 5 = 1 + 90 =30 + 2 =20 + 7 = 1 + 20 =93 - 3 =30 + 5 =78 - 70 =68 - 8 =40 + 2 = 1 + 10 = 5 + 40 =37 - 30 =85 - 80 =91 - 90 =0 + 80 = 6 + 80 =96 - 90 =8 + 50 =82 - 2 =54 - 50 =32 - 30 = 1 + 30 =9 + 70 =7 + 90 =77 - 70 =40 + 3 =3 + 10 =56 - 6 =80 + 7 =70 + 9 =24 - 20 =7 + 60 =23 - 20 =8 + 40 =67 - 7 =27 - 7 =60 + 4 =70 + 8 =10 + 9 =9 + 30 =30 + 3 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:12 - 2 = 6 + 90 =68 - 60 = 64 - 60 =70 + 3 =19 - 10 = 24 - 20 =10 + 0 =72 - 70 = 53 - 3 =84 - 80 =17 - 10 = 83 - 3 =89 - 9 =22 - 2 = 4 + 20 = 5 + 30 =37 - 7 = 45 - 5 =38 - 8 =91 - 90 = 56 - 6 =79 - 70 =90 + 5 = 20 + 3 = 1 + 20 =50 + 4 = 40 + 1 =99 - 90 =12 - 10 = 80 + 3 =88 - 80 =60 + 4 = 6 + 50 =7 + 60 =0 + 20 = 48 - 8 =50 + 7 =85 - 80 = 50 + 3 = 5 + 40 = 1 + 80 = 55 - 5 = 4 + 70 =37 - 30 = 3 + 40 =43 - 3 =67 - 60 = 60 + 8 =20 + 7 =15 - 5 = 31 - 30 =17 - 7 = 4 + 60 = 21 - 1 =0 + 60 =16 - 6 =0 + 30 =80 + 6 = 4 + 10 = 4 + 30 =23 - 20 =27 - 7 = 6 + 10 =1 + 40 =46 - 6 = 6 + 40 =80 + 8 =75 - 70 = 3 + 60 =5 + 50 =7 + 80 =10 + 7 =6 + 80 =77 - 70 = 5 + 20 =10 + 9 =70 + 8 =8 + 40 =25 - 20 =68 - 8 = 2 + 90 =3 + 80 = 3 + 10 =90 + 4 =33 - 3 =46 - 40 =40 + 4 =39 - 30 =50 + 2 =0 + 80 =30 + 9 =83 - 80 =10 + 5 =79 - 9 = 2 + 30 =30 + 5 =78 - 70 =21 - 20 =59 - 9 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:0 + 60 =86 - 6 =41 - 40 = 50 + 4 = 3 + 10 =30 + 8 = 30 + 9 =20 + 1 =13 - 10 = 54 - 50 =75 - 5 =31 - 1 = 78 - 70 =70 + 9 =20 + 7 = 51 - 50 = 2 + 30 =82 - 2 = 20 + 4 =47 - 7 = 5 + 20 = 60 + 8 =45 - 5 =37 - 7 = 1 + 50 =37 - 30 =60 + 0 = 20 + 2 =30 + 5 =40 + 1 = 80 + 2 =9 + 70 = 6 + 20 = 63 - 60 =33 - 3 =48 - 40 = 60 + 3 =39 - 30 =36 - 6 =7 + 40 =95 - 5 =21 - 20 =8 + 50 =46 - 40 =7 + 50 = 75 - 70 =80 + 9 =36 - 30 = 4 + 70 =7 + 20 =9 + 90 = 98 - 90 =10 + 8 =68 - 60 = 19 - 9 =27 - 20 =60 + 4 =7 + 20 =78 - 8 =13 - 10 = 4 + 10 =69 - 9 =10 + 7 =48 - 8 =52 - 50 =91 - 1 =89 - 9 =19 - 10 =56 - 6 = 3 + 50 =55 - 5 =54 - 50 = 5 + 70 =4 + 90 = 4 + 40 =30 + 0 =34 - 30 = 1 + 10 =14 - 10 =66 - 60 =0 + 70 = 3 + 10 =4 + 20 =30 + 8 =66 - 6 =48 - 40 =90 + 7 =7 + 60 =90 + 3 =46 - 6 = 2 + 10 =3 + 60 =50 + 7 =40 + 4 =43 - 3 = 6 + 80 =69 - 60 =47 - 40 =41 - 1 =35 - 5 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:7 + 10 =87 - 80 = 5 + 30 = 90 + 5 = 4 + 40 =43 - 3 = 51 - 50 =59 - 50 = 1 + 80 = 38 - 8 =45 - 5 = 6 + 40 = 20 + 1 =60 + 6 =30 + 8 = 8 + 30 = 5 + 70 =50 + 1 = 14 - 10 =89 - 9 = 1 + 50 = 74 - 4 =70 + 4 =16 - 6 = 86 - 6 =7 + 20 =66 - 6 = 29 - 9 =64 - 4 =50 + 5 = 72 - 70 =50 + 7 =97 - 90 = 10 + 6 =47 - 7 =91 - 1 = 40 + 5 =60 + 1 =48 - 8 = 60 + 0 =90 + 0 =53 - 3 = 80 + 0 =0 + 60 =64 - 60 = 61 - 1 =10 + 7 =40 + 1 = 19 - 10 =86 - 80 = 2 + 80 = 8 + 80 =49 - 40 =9 + 90 = 5 + 10 =1 + 80 =70 +2 =3 + 10 =19 - 10 = 1 + 30 =0 + 30 =91 - 90 = 6 + 80 =73 - 3 =70 + 8 =20 +4 =66 - 6 =1 + 90 =8 + 80 =5 + 80 =10 + 5 =48 - 40 =22 - 20 =90 + 0 =60 + 4 =61 - 1 =59 - 50 =86 - 6 =60 + 5 =20 + 2 =16 - 6 =31 - 30 =6 + 10 =14 - 10 =50 + 6 =10 + 6 =92 - 2 =38 - 8 =2 + 70 = 5 + 40 =89 - 9 =50 + 2 =66 - 60 =56 - 50 =39 - 30 = 2 + 80 =20 + 0 =5 + 10 =84 - 80 =70 + 6 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:53 - 50 =77 - 7 =78 - 70 = 91 - 90 = 1 + 90 =23 - 3 = 70 + 6 =7 + 50 =80 + 0 = 21 - 1 =20 + 3 =61 - 1 = 24 - 4 =8 + 30 =0 + 80 = 81 - 1 =68 - 8 =68 - 60 = 5 + 40 =32 - 2 =40 + 1 = 32 - 30 =0 + 30 =79 - 9 = 44 - 40 =30 + 5 =11 - 1 = 2 + 30 = 5 + 20 =65 - 5 = 10 + 5 =85 - 5 = 5 + 10 = 16 - 6 = 5 + 90 =20 + 1 = 24 - 20 =84 - 80 =8 + 80 = 72 - 70 =40 + 3 =70 + 9 = 85 - 80 = 2 + 70 =77 - 70 = 70 + 8 =38 - 8 =60 + 1 = 60 + 8 = 3 + 40 = 4 + 70 = 97 - 7 =94 - 90 =50 + 2 = 0 + 60 =6 + 40 = 4 + 20 =10 + 8 =78 - 70 =84 - 80 =0 + 80 =50 + 5 =72 - 70 =99 - 90 =0 + 70 =26 - 20 =60 + 6 =1 + 20 = 2 + 70 = 2 + 80 =57 - 50 =0 + 60 =9 + 90 =43 - 3 = 1 + 80 =84 - 4 =19 - 10 =80 + 5 =89 - 9 =40 + 6 =25 - 5 =82 - 2 =80 + 0 =23 - 20 =79 - 9 =68 - 60 =50 +9 =46 - 6 =35 - 5 =97 - 90 =34 - 30 =35 - 30 =78 - 8 =8 + 80 =75 - 5 =8 + 50 =56 - 50 =39 - 30 =5 + 40 =48 - 40 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:91 - 1 =82 - 2 =70 + 0 = 23 - 20 = 6 + 40 =11 - 10 = 80 + 2 =80 + 8 =70 + 9 =3 + 20 =48 - 8 =30 + 9 =4 + 60 =72 - 70 =97 - 90 = 1 + 10 =99 - 90 =60 + 7 =5 + 60 =60 + 8 = 3 + 80 = 36 - 30 =20 +7 =50 + 9 = 13 - 10 =0 + 70 =80 + 9 = 9 + 20 = 1 + 20 = 3 + 40 = 45 - 5 =0 + 60 =68 - 60 = 7 + 20 =67 - 7 =10 + 8 = 35 - 30 =62 - 60 =54 - 50 = 30 + 2 =16 - 10 =34 - 30 = 64 - 4 =50 + 7 =17 - 10 = 25 - 20 =78 - 70 =7 + 60 = 37 - 7 =49 - 40 =54 - 4 = 79 - 9 =20 + 3 = 1 + 70 = 60 + 0 =40 + 4 =30 + 3 = 3 + 10 =30 + 2 =13 - 10 =72 - 70 =5 + 20 =71 - 1 =50 + 5 =43 - 40 =9 + 70 =68 - 60 =0 + 70 =29 - 9 =83 - 80 =3 + 90 =82 - 2 = 3 + 40 =5 + 10 = 3 + 70 =8 + 50 =4 + 10 =90 + 0 =10 + 3 =5 + 40 =11 - 10 = 4 + 30 =2 + 80 =52 - 50 = 2 + 70 =3 + 80 =40 + 3 = 4 + 60 =30 + 5 =48 - 40 =10 + 7 =37 - 7 =86 - 6 =50 + 2 =58 - 8 =43 - 3 =80 + 0 =2 + 30 =15 - 5 =30 + 8 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:53 - 3 = 5 + 70 =70 + 3 = 80 + 8 =50 + 7 =44 - 40 = 24 - 20 =60 + 2 =32 - 30 = 45 - 40 = 6 + 80 =10 + 4 = 8 + 80 =70 + 9 =17 - 10 = 56 - 6 =60 + 8 =58 - 50 = 2 + 10 =34 - 30 =10 + 8 = 7 + 60 =10 + 2 =93 - 90 = 0 + 30 =47 - 40 =66 - 6 = 0 + 80 =62 - 60 =90 + 9 = 6 + 10 = 3 + 30 = 1 + 10 = 60 + 0 =79 - 9 =28 - 8 = 6 + 90 =80 + 6 =29 - 20 = 35 - 5 =77 - 70 =9 + 60 = 5 + 90 =50 + 9 =25 - 20 = 5 + 60 =40 + 1 = 6 + 40 = 73 - 3 =39 - 30 =20 + 0 = 89 - 9 =23 - 20 =68 - 8 = 1 + 20 =19 - 10 =10 + 9 =52 - 2 =71 - 70 =22 - 20 =20 + 2 =45 - 5 =79 - 9 =43 - 3 =28 - 8 =48 - 40 =10 + 6 =50 + 7 = 5 + 10 =60 + 5 =6 + 20 =7 + 50 =49 - 40 =60 + 4 = 1 + 80 =24 - 20 =85 - 80 =30 + 2 =87 - 7 =6 + 40 = 2 + 70 = 6 + 10 =99 - 90 =53 - 50 =55 - 50 =78 - 70 = 4 + 10 =47 - 7 =8 + 40 =38 - 8 =84 - 4 =82 - 2 =0 + 70 =50 + 4 =30 + 6 =78 - 8 =35 - 30 =70 + 8 =1 + 50 =4 + 60 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:4 + 70 =54 - 50 =10 + 8 =68 - 60 =66 - 6 =34 - 30 =69 - 60 = 3 + 10 =39 - 9 = 7 + 60 =40 + 1 =60 + 8 = 2 + 80 =76 - 6 =8 + 20 = 70 + 5 = 1 + 30 =30 + 9 = 5 + 20 =68 - 8 =23 - 20 = 29 - 9 =98 - 90 = 5 + 80 = 83 - 80 =31 - 1 =94 - 90 = 1 + 20 =70 + 4 =9 + 70 = 5 + 70 =80 + 8 = 5 + 60 = 21 - 1 =57 - 7 =20 + 4 = 67 - 7 = 6 + 80 =60 + 0 = 8 + 30 = 4 + 20 =80 + 4 = 2 + 10 =0 + 30 = 6 + 60 = 48 - 8 =35 - 5 =17 - 7 = 25 - 20 =16 - 6 =13 - 10 = 90 + 9 =7 + 20 =89 - 9 = 0 + 60 =70 + 9 = 5 + 10 =54 - 50 =6 + 10 =13 - 10 =80 + 9 =65 - 60 =7 + 20 =30 + 3 =32 - 2 =63 - 60 =81 - 1 =80 + 5 =69 - 60 =40 + 9 =60 + 9 =95 - 5 =70 + 8 =1 + 70 =49 - 9 =24 - 20 =31 - 30 =39 - 30 =8 + 70 =9 + 70 = 3 + 40 = 3 + 50 =91 - 90 =21 - 1 = 2 + 10 =85 - 80 =60 + 4 =49 - 40 =54 - 4 =90 + 0 =7 + 60 =0 + 30 =34 - 30 = 6 + 80 =0 + 70 =86 - 80 =70 + 5 =16 - 6 =60 + 8 =5 + 70 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:92 - 2 =37 - 30 =50 + 2 = 20 + 3 =56 - 6 =20 + 5 = 68 - 8 =0 + 60 =94 - 4 = 38 - 30 =29 - 20 =30 + 2 = 20 + 1 =59 - 50 =10 + 6 = 53 - 3 =27 - 20 =82 - 2 = 25 - 20 =7 + 90 =20 + 4 = 50 + 0 =70 + 6 = 1 + 10 = 38 - 8 =80 + 0 =39 - 9 = 10 + 4 =89 - 80 =64 - 60 = 79 - 9 =35 - 30 =97 - 90 = 50 + 7 =23 - 3 =32 - 30 = 83 - 80 =8 + 40 =30 + 5 = 50 + 5 =72 - 70 = 1 + 30 = 26 - 6 =35 - 5 =40 + 1 = 4 + 30 =45 - 5 =10 + 5 = 78 - 70 =40 + 3 =8 + 90 = 1 + 20 = 2 + 80 =43 - 40 = 6 + 40 =39 - 30 =71 - 1 =32 - 30 =78 - 70 =74 - 70 = 4 + 30 =5 + 10 = 4 + 60 =93 - 90 =91 - 1 =10 + 6 =7 + 60 =60 + 5 =81 - 80 = 2 + 80 =79 - 9 =17 - 10 =90 + 6 =86 - 6 =80 + 7 =45 - 5 =85 - 5 =94 - 4 =8 + 40 =19 - 10 =64 - 60 =41 - 40 =80 + 8 =20 + 5 =59 - 50 =44 - 40 =91 - 90 =85 - 80 =23 - 20 =10 + 5 =68 - 8 =55 - 5 =56 - 6 = 3 + 10 =48 - 40 =30 + 9 =7 + 10 =50 + 7 =8 + 10 =32 - 2 =练习范围：整十数加一位数及相应的减法 题数：100月日姓名: 分秒成绩:9 + 30 =60 + 8 = 6 + 10 = 30 + 3 = 1 + 30 = 2 + 30 = 40 + 3 =99 - 9 =37 - 7 = 26 - 6 =60 + 2 =34 - 30 = 6 + 80 =53 - 3 = 2 + 70 = 46 - 6 =8 + 90 =72 - 70 = 6 + 40 =8 + 50 =99 - 90 = 90 + 0 =66 - 6 = 5 + 40 = 70 + 9 =38 - 30 = 4 + 40 = 55 - 50 =90 + 8 =35 - 5 = 80 + 0 =50 + 5 =52 - 2 = 20 + 1 =9 + 50 =40 + 9 = 70 + 4 =67 - 7 =50 + 2 = 11 - 10 =61 - 1 =24 - 20 = 5 + 30 =60 + 4 =63 - 3 = 3 + 40 =70 + 8 =63 - 60 = 76 - 6 =80 + 9 =25 - 20 = 30 + 2 =23 - 3 =12 - 10 = 40 + 1 =30 + 8 =17 - 10 =79 - 70 =2 + 30 =30 + 0 =35 - 5 =0 + 60 =39 - 30 = 6 + 40 =30 + 5 =50 + 5 =68 - 8 =3 + 70 =68 - 60 = 4 + 40 =78 - 8 =70 + 9 =60 + 0 =70 + 8 =60 + 8 =20 + 5 =4 + 30 = 4 + 70 =40 + 3 =5 + 40 =71 - 70 =19 - 10 =25 - 20 =55 - 5 =28 - 8 =1 + 80 =49 - 40 = 1 + 70 =85 - 5 =48 - 8 =20 + 7 =61 - 1 =31 - 1 =89 - 9 =97 - 90 =77 - 7 =32 - 30 =3 + 60 =80 + 1 =1 + 60 =练习范围：整十数加一位数及相应的减法 题数：100月 日姓名: 分秒成绩:20 + 8 =59 - 50 =34 - 30 = 8 + 80 =0 + 80 =13 - 10 = 2 + 20 =46 - 6 =64 - 4 = 99 - 9 =57 - 50 =7 + 20 = 6 + 80 = 2 + 10 = 2 + 60 = 20 + 1 =10 + 5 =54 - 50 = 10 + 6 =67 - 7 =40 + 6 = 23 - 20 = 1 + 30 =77 - 70 = 85 - 80 = 2 + 80 =90 + 0 = 3 + 40 =56 - 50 =40 + 0 = 99 - 90 =80 + 0 = 5 + 70 = 29 - 9 =84 - 80 = 3 + 10 = 8 + 40 =60 + 2 =11 - 10 = 40 + 1 =29 - 20 =79 - 9 = 3 + 50 =30 + 2 = 1 + 20 = 15 - 10 =50 + 7 =91 - 90 = 60 + 4 =45 - 5 = 5 + 20 = 30 + 3 =48 - 40 =63 - 60 = 6 + 10 =。

整十数加一位数和相应的减法 习题精选基本技能训练1.鸭妈妈找蛋宝宝。

50+353-3、37^7^F\8964-4\ 5360302.填一填。

J 弩:?46>46-680+9✓/ Y^r<r/5040+678飞型40□ >Q在你的选择的答案下面“ 综合能力训练1.填空。

第一次拔30个 第二次拔30个 共拔（）个共拔（）个始一次拔40个 第二次拔4个 36 = 30+ | 58=0+860 = 67-| | 40=0-779 = 0+080=□-口3.选一选。

全班42个学生，够每人一个吗？（够， 不够）(1)小红看一本故事书，已经看了 70页，还有9页没看完，这本书有多少页？参考答案： 基本技能训练1 •鸭妈妈找蛋宝宝。

2.填一填。

□on=o(2) 一 (2)班种了 22棵树, 有2棵没有活，活了多少棵?□on=n2.选择。

把正确答案涂上颜色。

3.做一做。

回〉回3.选一选。

全班42个学生，够每人一个吗?综合能力训练1.填空。

36 = 30+ 58= @ + 840= 0-72.选择。

把正确答案涂上颜色。

第一次拔30个 第二次拔30个 共拔（60 ）个共拔（44 ）个初一次拔40个 第二次拔4个3.做一做。

（1）小红看一本故事书，已经看了70页，还有9页没看完，这本书有多少页？回④回二回(2) 一(2)班种了22棵树, 有2棵没有活，活了多少棵?。

一下数学每日一练：整十数加一位数及对应的减法练习题及答案_2020年解答题版
答案答案答案答案
2020年一下数学：数的认识及运算_100以内数的认识及运算_整十数加一位数及对应的减法练习题~~第1题~~
(2019射阳.
一下期中) 看图列式计算
（1）
（2）
考点： 整十数加一位数及对应的减法;两位数减一位数的减法;
~~第2题~~(2019
射阳.一下期中) 学校买了60本图书，又买来8本，现在有一共有多少本图书？
考点： 整十数加一位数及对应的减法;
~~第3题~~
(2019微山.一下期中) 熊大买了科普书20本，熊二买了故事书8本，两种书一共有多少本?
考点： 整十数加一位数及对应的减法;
~~第4题~~
(2019成武
.一下期中) 看图列式计算
（1
）
（2）
考点： 十几减8、7、6的退位减法;整十数加一位数及对应的减法;
~~第5题~~
答案(2019成武.一下期中)
考点： 整十数加一位数及对应的减法;2020年一下数学：数的认识及运算_100以内数的认识及运算_整十数加一位数及对应的减法练习题答
案
1.
答案：2.
答案：
3.答案：
4.
答案：5.
答案：。

1) 40+2= 2) 40+2= 3) 70+3= 4) 10+8= 5) 80+0= 6) 3+90= 7) 10+6= 8) 30+2= 9) 50+9= 10) 9+80= 11) 1+10= 12) 8+80= 13) 20+1= 14) 20+3= 15) 0+10= 16) 6+40= 17) 6+50= 18) 20+4= 19) 20+2= 20) 6+60= 21) 90+2= 22) 80+4= 23) 90+4= 24) 0+80= 25) 60+4= 26) 60+1= 27) 2+60= 28) 30+4= 29) 40+6= 30) 8+80= 31) 1+60= 32) 1+90= 33) 70+1= 34) 5+10= 35) 40+0= 36) 90+1= 37) 10+7= 38) 9+90= 39) 40+5= 40) 30+5= 41) 80+9= 42) 80+2= 43) 40+1= 44) 80+2= 45) 1+80= 46) 9+70= 47) 40+0= 48) 40+9= 49) 90+4= 50) 20+7= 51) 2+80= 52) 0+30= 53) 2+30= 54) 0+70= 55) 4+20= 56) 70+3= 57) 20+1= 58) 4+60= 59) 90+9= 60) 50+7= 61) 3+40= 62) 80+1= 63) 20+8= 64) 4+90= 65) 8+10= 66) 90+9= 67) 0+30= 68) 80+8= 69) 7+40= 70) 60+2= 71) 2+60= 72) 8+10= 73) 10+6= 74) 50+6= 75) 70+1= 76) 50+5= 77) 8+20= 78) 3+70= 79) 80+9= 80) 30+3= 81) 3+20= 82) 0+90= 83) 9+10= 84) 20+3= 85) 2+60=86) 4+50= 87) 4+50= 88) 50+7= 89) 1+30= 90) 8+30=91) 30+9= 92) 1+30= 93) 3+30= 94) 50+5= 95) 30+8=96) 80+1= 97) 8+40= 98) 70+2= 99) 70+0= 100) 1+70=101)12－2＝ 102) 57－7＝ 103)62－60＝ 104) 52－2＝105)18－8＝ 106) 86－6＝ 107)68－8＝ 108)65－5＝109)55－50＝ 110) 93－90＝ 111)35－5＝112) 45―40＝113)75－70＝ 114)38－30＝ 115)27－20＝ 116)57－7＝117)37－7＝ 118)100－30＝ 119) 66-6＝ 120) 43－3＝121)94－90＝ 122) 34－30＝ 123)89－9＝124)51―1＝二、在括号里填上适当的数．100－（）＝80 30＋（）＝37 40＋（）＝4546－（）＝6 6＋（）＝36 2＋（）＝27（）－3＝30 （）＋8＝68 6＋（）＝55三、应用题．1．图书室有78本书，借走8本，还剩多少？2．学校有跳绳40根，又买来5根，现在有多少根？3．小红借给李军10本练习本，又借给王思8本练习本，共借出多少本？4．王伯伯要修28张桌子，已修好8张，还要修几张？四、生活问题我解决．1．小白兔摘了23个萝卜，小灰兔摘的和小白兔差不多，小灰兔可能摘了多少个萝卜？在你认为合适的答案下面画“√”．小灰兔比小白兔少摘了（）个2．星期天，猫妈妈和小猫一起去钓鱼，它们一共钓了38条鱼，其中猫妈妈钓了30条，想一想，小猫钓了（）条．看一看，想一想，填一填．3．46里面有（）个十和（）个一．4．（）里面有5个十和9个一．5．十位上是5，个位上是2的数是（）．6．有一个两位数，个位上是3，十位上的数比个位上的数多2，这个数是（）．7．在12、36、50、34、18、90这6个数中，比36小一些的数是（），比36大一些的数是（），比12大又比34小的数是（）（）比50大得多．二、比一比，排一排．1．47○74 59○55 100○97 60○702．72＜（）（）＞56 80＞（）（）＞93．把80、36、63、56、37按从小到大的顺序排列起来：（）＜（）＜（）＜（）＜（）40+2=70+3=10+8=80+0=40+5= 3+90=10+6=30+2=50+9=9+80= 1+10=8+80=20+1=20+3=0+10= 6+40=6+50=20+4=20+2=6+60= 90+2=80+4=90+4=0+80=60+4= 60+1=2+60=30+4=40+6=8+80= 1+60=1+90=70+1=5+10=40+0= 90+1=10+7=9+90=40+5=30+5= 80+9=40+1=80+2=1+80=9+70= 40+9=20+7=2+80=0+30=2+30= 0+70=4+20=70+3=20+1=4+60= 90+9=50+7=3+40=80+1=20+8= 4+90=8+10=90+9=0+30=80+8=7+40=60+2=2+60=8+10=10+6= 50+6=70+1=50+5=8+20=3+70= 80+9=30+3=3+20=0+90=9+10= 23–3=62–60=42–2=82–2=40–40= 94–4=54–50=94–50=57–7=81–30= 48–30=39–9=71–30=53–30=55–5=38–8=81–1=88–40=72–2=78–50= 71–70=12–2=57–7=62–60=52–2= 18–8=86–6=68–8=65–5=55–50= 93–90=35–5=45–40=75–70=38–30= 27–20=57–7=37–7=100–30=66–6= 43–3=94–90=34–30=89–9=51–1=。