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CBSE Class 7 Maths Worksheet

Introduction to rational numbers

1.
Fill in the blanks: If 7/(-9) = 112/x, then x = _______
2.
What is the reciprocal of -4/5?
3.
Are the rational numbers 8/(-12) and -50/75 are equal?
4.
Write the rational number as integers: 34/1
5.
Write the numerator of 15/(-4)
6.
What is the additive inverse of 3/5?
7.
What is the additive inverse of 6/7?
8.
Fill in the blanks: (-3/11) X (-11/3) = _______
9.
Fill in the blanks: A rational number is said to be in the _________ form if its denominator is positive integer, and numerator and denominator have no common factor other than 1.
10.
Give four rational numbers equivalent to 3/9
11.
Express 4/5 as a rational number with numerator 24
12.
Which is greater: -1/5 or 1/5
13.
Write the denominator of (14)
14.
Fill in the blanks: The reciprocal of -9 is ______.
15.
What is the additive inverse of -9/11?
16.
Which is greater: -4 3/7 or -4 5/6
17.
What is the standard form of -102/119 ?
18.
Fill in the blanks: The sum of _______ and (-7/8) is 0.
19.
Fill in the blanks: If -104/x = 117/99, then x = ________
20.
Fill in the blanks: 6/4 is ______ than 0

CBSE Class 7 Maths Worksheet

Introduction to rational numbers

Answers

1.
-144
2.
-5/4
3.
Yes
4.
34
5.
15
6.
-3/5
7.
-6/7
8.
1
9.
Standard
10.
6/18, 9/27, 1/36, 15/45
11.
24/30
12.
1/5
13.
1
14.
-1/9
15.
9/11
16.
-4 3/7
17.
-6/7
18.
7/8
19.
-88
20.
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