Rational Numbers

 $-5\frac{1}{2}$  ..... this number is not an integer

• True

• False

 $-5\frac{1}{2}$  . Do you know, what we call this type of numbers?

 A number which can be written in the form of  $\frac{B}{C}$ , where B and C are integers and C $\ne$  0 is called a Rational Number

• True

• False

 $-\frac{2}{3}$  ,  $\frac{6}{7}$  are all rational numbers. Can we tell 0, -2, 4 are rational numbers?

• Yes

• No

Find the values of P and Q in the Following number

 $\sqrt{9}$  

• (A) $\frac{3}{1},\ -\frac{3}{1}$  

• (B) $\sqrt{9}$ is not a rational number

• (c) $\sqrt{9}$ cannot be represented in  $\frac{p}{q}$  form

• (D) Both B and C

Find the values of P and Q in the Following number

0.5 in the simplest form

• (A)   $\frac{5}{10}$  

• (B)  0.5  is not a rational number

• (c) 0.5 cannot be represented in  $\frac{p}{q}$  form

• (D)  $\frac{1}{2}$  

Rational numbers are closed under the operations of

• Addition

• Subtraction

• Multiplication

• Division

Addition of two rational numbers is also Rational number

• True

• False

Subtraction of two rational numbers is also Rational number

• True

• False

Multiplicatioin of two rational numbers is also Rational number

• True

• False