七年级数学上册第一章有理数有理数的大小比较测试题(新版)新人教版
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Enjoy sunrise from the hilltop as you learn
about wildlife, plants, history and forest. Ages 8
and up
七年级数学上册第一章有理数有理数的大小比较测试题
(新版)新人教版
一、课内训练:
1.比较-和-的大小.
34
45
1
5
2.比较-0.5,-,0.5的大小,应有(
)
A.->-0.5>0.5 B.0.5>->-0.5
C.-0.5>->0.5
D.0.5>-0.5>-
1111
5
555
3.将有理数0,-3.14,-,2.7,-4,0.14按从小到大的顺序排列,
用
“<•”号连接起来.
22
7
4.把-3.5,│-2│,-1.5,0的
绝对值,3,-3.5•的相反数按从大
1
3
5
5.比较-与0.626363.
8
到小的顺序排列
起来.
6.设a=-,b=-,试比较a,b的大小.
191919
919
1
91
7.在有理数-,0,│-(-3)│,-│+1000│,-(-5)中最大的数是( )
1
3
A.0 B.-(-5)
C.-│+1000│ D.-
You and your
familyare invited to join the YMCA for a Halloween
hike up Badger Mountain! Mae sure to wear your
Halloween costumes
- 1 - 7
Enjoy sunrise from the hilltop as you
learn about wildlife, plants, history and forest.
Ages 8 and up
8.比较下列每对数大小:
(1)-(-5)与-│-5│; (2)-(+3)与0;
(3)-与-│-│; (4)-与-│3.14│.
二、课外演练:
1.
在7,-6,-,0,-,0.01中,绝对值小于1的数是________.
12
43
43
54
2.绝对值最小的有理数是______
_,绝对值最小的负整数是
________.
3.│-2005│的倒数是________.
4.若a<0,b<0,且│a│>│b│,那么a,b的大小关系是________.
5.比较下列各组数的大小.
(1)-与-0.76;
(2)-与-;
333
41011
1
3
3
10
(3)-3与-3;
(4)-│-3.5│与-[-(-3.5)].
6.下列判断,正确的是( )
A.若│a│=│b│,则a=b B.若│a│>│b│,则a>b
C.若│a│<│b│,则a
7.已知有理数a
为正数,b、c为负数,且│c│>│b│>│a│,用
“<”把a、b、•c、-a、-b、-c连接
起来.
You and your familyare invited to join
the YMCA for a Halloween hike up Badger Mountain!
Mae sure to wear your Halloween costumes
-
2 - 7