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CBSE Class 7 Maths Worksheet

Introduction to rational numbers

1.
Write the numerator of (-7/5)
2.
Fill in the blanks: 0 is _______ than -1/2
3.
Fill in the blanks: The sum of (-1/2) and _______ is 0.
4.
Arrange the rational numbers in descending order: 4/9, -5/6, -7/(-12), 11/(-24)
5.
What is the additive inverse of -4/9?
6.
Fill in the blanks: If both the numerator and denominator of a number are positive then it is called a _______ rational number.
7.
Express 4/5 as a rational number with numerator 16
8.
What is the additive inverse of -9/11?
9.
State true/false: The rational number -12/(-5) and -7/17 are on opposite side of zero on the number line.
A) true B) false
10.
Fill in the blanks: A rational number p/q is positive if p and q both are either positive or _________.
11.
What is the reciprocal of -1/8?
12.
Find the standard form of -18/45
13.
Which of the following rational numbers are negative? -3/7, (-5)/(-8), 9/(-83), (-115)/(-197)
14.
What is the standard form of -206/22 ?
15.
Fill in the blanks: A rational number is defined as a number that can be expressed in the form of p/q where p and q are _____ and q ? 0.
16.
Is 6 a positive number?
17.
Fill in the blanks: (-3/11) X (-11/3) = _______
18.
Which is greater: 2/3 or 5/2
19.
Write the numerator of 15/(-4)
20.
Draw the number line and represent the following rational number on it: 2/3

CBSE Class 7 Maths Worksheet

Introduction to rational numbers

Answers

1.
-7
2.
>
3.
1/2
4.
-7/(-12), 4/9, 11/24, -5/6
5.
4/9
6.
Positive
7.
16/20
8.
9/11
9.
Option A

10.
Negative
11.
-8
12.
-2/5
13.
-3/7, 9/(-83)
14.
-103/11
15.
Integers
16.
Yes
17.
1
18.
5/2
19.
15
20.
Show on the number line