Grade 9  NumberSystem
(Sample Printed worksheet)
Answer The Following  
1)  if

2)  Find the 5 rational numbers between

3)  Examine if the following numbers are rational or irrational.

4)  if

5)  Find 9 rational numbers between

Fill in the blanks  
6)  The rational number that is equal to its negative is . 
Choose correct answer(s) from given choice  
7)  Choose an irrational number among the following :

8)  Which of the following statement is true ?

9)  The product of two irrational numbers is ________________

10)  A fraction

Answers
1) not2)
1 
2 
1 
3 
1 
4 
1 
5 
1 
6 
3)
A) Rational  B) Irrational  C) Rational 
4) 40
5)
0 
16 
1 
16 
2 
16 
3 
16 
4 
16 
5 
16 
6 
16 
7 
16 
8 
16 
Step 1  
A rational number is a number of the form
 
Step 2  
A simple way of getting 9 rational numbers between

6)
7) d.
8) b.
7 
10 
35 
50 
9) b. a rational or an irrational number
Step 1 
The right answer is that it could be either. This can be seen with the help of an example 
Step 2 
A) Consider the two irrational numbers and . Their product = x = is an irrational number 
Step 3 
B) Consider the two irrational numbers and . Their product = x = 1^{2} + ^{2} = 1 + 9 = 10. 10 is a rational number 
10) d. 2, 5