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# 二年级寒假练习题.doc

ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities

6&#215;7=9&#215;9=3&#215;6=2&#215;6=8&#215;3+4=
1&#215;1=8&#215;7=2&#215;2=3&#215;2=3&#215;4+9=
5&#215;6=3&#215;4=9&#215;3=5&#215;5=6&#215;9-8=
7&#215;7=6&#215;9=8&#215;5=7&#215;2=7&#215;5-3=

55+27=96-48=
89-19-42=47+48-95=

ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities2
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
〔〕四十六〔〕二十一〔〕四十五
63=〔〕&#215;〔〕18=〔〕&#215;〔〕=〔〕&#215;〔〕
72=〔〕&#215;〔〕24=〔〕&#215;〔〕=〔〕&#215;〔〕

1、1米=〔〕厘米17厘米+44厘米=()厘米
500厘米=〔〕米83米-27米=〔〕米
2、填上适宜的单位

3、4个8相加,写成加法算式是〔〕,写成乘法算式是〔〕。
4、5只小兔〔〕条腿,7只螃蟹〔〕条腿。
5、小丽在图画本上画了☆☆☆和一些○和△,其中○的个数是☆的5倍,○有〔〕个,△的个数是☆的9倍,△有〔〕个。
6、右图中有〔〕条线段,一共有〔〕个角,

7、小明昨天写了29个大字,今天写了47个大字,两天大约写了〔〕个大字。
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities18
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities3
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
8、最大能填几
〔〕&#215;3&lt;205&#215;〔〕&lt;474&#215;〔〕&lt;37
35&gt;7&#215;()50&gt;9&#215;()63&gt;()&#215;8
9、小红、小强、小芳分别买了三种不同的冰淇淋,有水果味、巧克力味和奶油味的,女孩都没买水果味的,小红买的是奶油味的,那么小强买的是〔〕味的,小芳买的是〔〕味。
10、儿童节时,小刚、小贝、小乐三人互相赠送了一张卡片,他们一共赠送了〔〕张卡片。

4○9=363&#215;4〇4&#215;516+20○35
40○4=362&#215;2○2+22&#215;8+8○8&#215;3-8

ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities4
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities

ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities18
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities5
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities

8&#215;7=36-9=9&#215;6=72-38=7&#215;6-6=
7&#215;9=81-37=7&#215;4=35+28=7&#215;7+7=
7&#215;8=57+18=4&#215;4=6+24=3&#215;9+7=
5&#215;9=46-18=9&#215;8=35+25=8&#215;5+3=
3&#215;8=52-9=8&#215;4=62-14=8&#215;6-4=
6&#215;4=87+13=5&#215;4=7+55=9&#215;9-5=
5&#215;6=62-26=8&#215;5=8+69=2&#215;9+5=
6&#215;7=34-8=6&#215;6=52+19=7&#215;5+8=

1、判断:〔对的打“√〞,错的打“&#215;〞〕
⑴12里面有4个4()。
⑵6乘4的积是24,再加上26得40()。
⑶1时=80分〔〕。
⑷有4件上衣,5条裤子,共有9种穿法〔〕。
2、把口诀补充完整。

〔〕九十八三〔〕十五
3、在括号里填写正确的答案。
59厘米+41厘米=〔〕厘米=〔〕米
135厘米—35厘米=〔〕厘米
4、在〔〕里填最大的数.
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities6
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
〔〕&#215;8&lt;65()&lt;5&#215;9
8&#215;()&lt;4030&gt;5&#215;()
5、5+5+5+5+5+6写成含乘法的算式是〔〕,结果是〔〕。6+6+6+6+6+6+6+5=〔〕。
6、一个正方形有〔〕条对称轴,一个长方形有〔〕条对称轴,一个圆有〔〕条对称轴。
7、在○里填写“&gt;〞、“&lt;〞或“=〞。
43米-8米○35米10○9&#215;96&#215;5○65
50厘米+60厘米○1米91元-23元○77元
8、计算。
16+28+39=6&#215;5+6=65-3-18=
50+40-30=58-50+55=86-68=
+32
—53
+38
9、
48

①、4的8倍是多少?
②、5和9相乘得多少?
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities18
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities7
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
③、6个8相加的和是多少?
④、两个乘数都是9,积是多少?

1、

2、学校舞蹈队有男生9人,女生人数是男生的3倍,
?〔你能提出一个问题并解答吗?〕
3、小明今年8岁,爷爷今年72岁,爸爸的年龄是小明的6倍。
⑴、爸爸今年多少岁?
⑵、爷爷比爸爸大多少岁?
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities8
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities

⑶、你还能提出什么问题?并解答出来。

1、找规律填数。〔2个〕
2,5,11,20,〔 〕、〔 〕。
81、64、49、〔〕、〔〕。
2、9个小朋友围城一圈做游戏,每两个小朋友之间相隔2米,这个圆圈长〔〕米。〔3个〕

〔1〕6+6+6+6+6写成乘法算式是〔〕,积是〔〕。
〔2〕一个角有〔〕个顶点,〔〕条边。
〔3〕5的4倍是〔〕,〔〕的7倍是56。
〔4〕1米=〔〕厘米。
〔5〕在○里填上“〈〞“〉〞或“=〞。
60厘米○1米2&#215;7○146&#215;7○32 2&#215;8○7+8
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities10
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities9
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
8+1○2&#215;436+54○46+440&#215;9○9+17&#215;8○6&#215;9
〔6〕〔〕&#215;〔〕=72〔〕&#215;〔〕=21
5&#215;〔〕=454&#215;〔〕=4
4&#215;6=〔〕&#215;〔〕56+25=9&#215;〔〕
〔7〕用卡片2、3、4能摆成〔〕个不同的两位数。
〔8〕一个因数是6,另一个因数是8,积是〔〕。
〔9〕量比拟长的物体,可以用〔〕做单位;量比拟短的物体可以用〔〕做单位。
〔10〕在〔〕里填上适宜的长度单位。

〔1〕笔算加减法时,必须相同数位对齐,从十位算起。〔〕
〔2〕数学书封面上的直角比三角板上的直角大。〔〕
〔3〕5&#215;3和3&#215;5可以用同一句口诀来计算。〔〕
〔4〕比76少20的数是56。〔〕

〔2〕在2&#215;6=○&#215;4中,○可以填〔〕。①2②3③6
〔3〕正方形中能画〔〕条对称轴。①1②2③4④无数
〔4〕草地上有白兔6只,黑兔和灰兔都是3只,草地上有〔〕种颜色的兔子。
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities10
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities19
ofruraldrinkingwatersources,protectionofdrinkingwatersourcesinruralareasbytheendofthedelimitationofthescopeofprotection,completewithwarningsigns,isolatingnetworkprotectionfacilities
①18②3③9

〔1〕直接写得数。
37+17=5&#215;9=8&#215;6=40—8=
7&#215;4=32+40=95-40=6&#215;7=
4&#215;9=70-49=30+15=5&#215;8=
8&#215;7=2&#215;9=9&#215;9=4&#215;6=
9&#215;7-13=40+24-8=92-54+20=21+18+32=
〔2〕竖式计算。
38+44=70-18=45+55=
92-54+20=21+18+32=
〔3〕下面的哪些算式得数比80大。〔得数比80大的请在○里打“√〞。〕
49+42○98-19○38+57○53+26○