Grade 9  NumberSystem
(Sample Online worksheet)
Choose correct answer(s) from given choice
1)  If 'm' is an irrational number than 'nm' is _______________ where 'n' is an integer.

2)  Is variable x in x^{2}=0.16 represents a rational or irrational number ?

3)  An example of a rational number between and is

4)  A rational number equivalent to

5)  Express the number 0.42523 in the form of

6)  If a and b are rational numbers such that , than the possible values of a and be are :

Fill in the blanks
7)  There are number of rational numbers between any two non equal rational numbers. 
8)  The rational number that does not have a reciprocal is 
9)  Every number on the number line represents a number which is either or . 
10)  The rational number that are equal to their reciprocals are & . 