Grade 8 - Rational-Numbers

(Sample Online worksheet)

Choose correct answer(s) from given choice

1)Which of the following statements is false:
a. Every prime number is a rational number b. Every rational number is an integer
c. 0 is a rational number d. Every negative number is a rational number
2)Which of the following is a positive integer and a rational number?
a.  
19
9
 
b. -12
c. 0.18 d. 44
3)Which of the following is a rational number(s) ?
a.  
4
-11
 
b.  
-1
-15
 
c.  
6
10
 
d. All of these
4)What is the largest rational number that can be formed using 2 of the numbers below in the form of  
p
q
 ?
654, 724, 776, 181, 644, 237
a.  
776
237
 
b.  
237
776
 
c.  
776
181
 
d.  
724
181
 
5)If  
p
q
  =  
m
n
 , then which of the following is always true:
a. p x m = n x q b. p x n = m x q
c.  
n
m
  =  
p
q
 
d. p x q = m x n
6)if  
-8
X
  =  
X
8
 , then X is ___________
a. a prime number b. a whole number
c. not a rational number d. an integer
7)Regarding rational numbers:
A. The quotient of two integers is always a rational number and
B.  
1
0
  is not a rational number

Which of the following statements is correct ?
a. A is false but B is a correct explanation of A b. A is correct but B is incorrect.
c. A is correct and B is correct explanation of A d. Both A and B are incorrect.

Fill in the blanks

8)Fill in the blank to make the two rational numbers equivalent
A)  
6
10
  =  
130
 
B)  
5
13
  =  
91
 
9)The rational number that does not have a reciprocal is
10)What rational number results from the following:
A) 3 + 5 x 8 - 3 + 28 52 =  
 
 
 

B) 4 + 6 x 6 - 3 + 179 49 =  
 
 
 

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