大连市西岗区香炉礁第二小学一年级下册数学练习题含答案.docx

大连市西岗区香炉礁第二小学一年级下册数学练习题含答案.docx

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大连市西岗区香炉礁第二小学一年级下册数学练习题含答案

2018-2019年大连市西岗区香炉礁第二小学一年级下册数学练习题含答案

班级_______________座号______姓名_______________分数_______________

___________________________________________________________________________________________________

一、想一想，填一填

1．这是完全一样的正方形，想一想，每个小正方形________ 每个小三角形。

（填上“＞”、“＜”或“=”）

2．还有________棵树苗没栽，列式为________。

3．1分=________秒

4．两个同样大的正方形可以拼成一个________。

5．

________个

________个

6．如图，________个十和________个一合起来是________。

7．想一想，算一算．

要买的东西

付的钱

应找回钱数

20元

________

2元

________

________

5角

8．数一数，填一填。

________个

________个

________个

9．接着69，写出后面连续的四个数：

10．从左到右数与它的相邻整十数

二、对号入座、选择填空（含多选）

11．9＋7=（）

A. 11                                         B. 16                                         C. 40                                         D. 50

12．1200－845＝（）

A. 12                                     

B. 355                                     

C. 1064                                     

D. 1530

13．

哪说的对？

（）

A. 

我排第一我最多                 B. 

我排第二我最多                 C. 我排第三我最多

14．66减去6个十是（）。

A．6B．60C．66

15．比20大又比25小的双数是多少？

（）

A．21B．24C．30

16．下面的时间与你的年龄最接近的是（）

A. 600月                                      

B. 600日                                      

C. 600周

17．有65名家长来开会，已经有50把椅子了，还差（）把

A．10      

B．15C．20

18．下面哪道题的得数是八十多？

（）

A．62+27B．7+51C．60+8

三、判断对错，对的打“√”错的打“×”

19．人民币兑换时要保留二位小数。

（）

20．分针走一大格是1分。

（）

21．个位上是1的两位数一共有10个。

（）

22．100－50－22的结果是一位数。

（）

23．小丽要做12个五角星，做好了7个，还要做8个。

（）

四、我是数学家、请计算

24．11－9=14－6=13－8=4＋8=13－9=15－7=12－6=9＋3=17－9=11－7=________

25．我会凑十法。

23＋9=________        12＋7=________        8＋9=________        6＋15=________

17＋8=________          9＋13=________        27＋6=________      32＋9=________

19＋7=________          16＋6=________       14＋7=________         25＋7=________

26．32+7=________35+6=________37+3=________39+8=________

42+7=________45+6=________47+3=________49+8=________

27．30＋45=________

28．细心计算下面各题。

40+50=________80-70=________54+4=________55+7=________

89-60=________14-7=________20+75=________8+34=________

63-9=________78+4=________76-36=________35-20=________

五、找朋友、连线

29．找水果．

30．选择正确答案．

31．他们看到的分别是哪幅图？

六、应用解答题

32．用

这三个数，能组成多少个两位数？

分别是多少？

其中最大的是多少？

最小的是多少？

33．

苹果17个

草莓比苹果多得多，

草莓可能有多少个？

10个

20个

64个

34．

2018-2019年大连市西岗区香炉礁第二小学一年级下册数学练习题含答案（参考答案）

一、想一想，填一填

1．＝

2．5；6+2-3

3．60

4．长方形

5．1723

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