WorksheetsCLASS VIII MAHS RATIONAL NUMBERS by Manoj Sir
Total questions: 25
Worksheet time: 17mins
A number of the form p/q is said to be a rational number if
p and q are integers
p and q are integers and p is not equal to zero.
p and q are integers and q is not equal to zero.
P and q are integers and p and q both are not equal to zero.
-(-x) is same as
-x
x
1/x
-1/x
Addition is associative for
Natural numbers
Whole numbers
Rational numbers
All of these
Between any two rational numbers, there lie
two rational numbers
no rational number
infinite rational numbers
infinite fractions
If y be the reciprocal of rational number x, then the reciprocal of y will be
x
y
x/y
y/x
Additive identity of rational numbers is
1
-1
x
0
The additive inverse of a/b is
-b/a
b/a
a/b
-a/b
Which of the following is not a rational number?
-2/3 , 1/8 , 0 ,18 , 54
18 and 54
-2/3 and 1/8
0
All are rational numbers
a + (b + c) = (a + b) + c is ______________ property
Distributive
Associative
Closure
Commutative
a x (b + c) = a x b + a x c, is ___________________ property
Distributive
Closure
Commutative
Associative
What number should be added to -1 so we get 5/7
5/7
12/7
-12/7
8/7
what is the number which when added to 10 times of itself gives 275
55
35
25
75
A rational number can be written as a fraction.
True
False
.8 is a rational number
True
False
How would 5/9 be classified?
rational
whole and integer
only integer
only whole
Does this graphic organizer correctly group the numbers?
True
False
What number below is a natural, whole, integer, and rational number ?
-4
5.1
0.7
3
The solution of which of the following equations is neither a fraction nor an integer.
3x + 2 = 5x + 2
4x + 7 = x + 2
5x – 8 = x + 4
4x – 18 = 2
Which of the following is not true?
rational numbers are closed under addition.
rational numbers are closed under subtraction.
rational numbers are closed under multiplication.
(d) rational numbers are closed under division.
Any number that can be written as a fraction
opposite
rational number
absolute value
