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Word下载.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Word下载.docx
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3.1分=________秒
4.两个同样大的正方形可以拼成一个________。
5.
________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。
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=()
12
355
1064
1530
13.
哪说的对?
()
我排第一我最多
我排第二我最多
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()
600月
600日
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)
1.=
2.5;
6+2-3
3.60
4.长方形
5.1723
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