### (Sample Printed worksheet)

1)if
 -5 X
=
 X 5
, then X is ________ a rational number
2)Find the 5 rational numbers between
 1 8
and
 7 8
.
3)Examine if the following numbers are rational or irrational.
 A) B) C)
4)if
 6 -10
=
 -24 X
, then X = ___________
5)Find 9 rational numbers between
 -1 16
and
 11 16
.

### 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 :
a.
 7 4

b. 4
c. -4 d.
8)Which of the following statement is true ?
a.
 7 -10
<
 -35 50

b.
 7 -10
=
 -35 50

c.
 7 -9
>
 7 -10

d.
 7 -10
>
 -35 50

9)The product of two irrational numbers is ________________
 a. an irrational number b. a rational or an irrational number c. neither rational or irrational number d. a rational number
10)A fraction
 P Q
can be expressed as a terminating decimal, if "Q" has no prime factors other than

 a. 2, 3 b. 5, 7 c. 3, 5 d. 2, 5

1) not

2)
 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
 p q
, where p and q are integers, and q≠0
Step 2
A simple way of getting 9 rational numbers between
 -1 16
and
 11 16
is to leave the denominator the same, and use the integers between -1 and 11 for the numerator

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 = 12 + 2 = 1 + 9 = 10.10 is a rational number

10) d. 2, 5