Rational and Irrational Numbers

A rational number can always be written as:

• Decimal

• Percent

• Fraction

• Square root

Is an irrational number a ratio?

• Yes

• No

Is the following number rational or irrational?

−11π

• Rational

• Irrational

What type of number is  $-\frac{4}{2}$ ?

• Whole number

• Irrational
  

• Rational

• Neither 

Is the following number rational or irrational?
 $-\frac{501}{502}$  
​

• Rational

• Irrational 

Is the following number rational or irrational?
 $\sqrt{50}$  


​

• Rational

• Irraional 

Is the following number rational or irrational?

π−1

• Rational

• Irrational

Which one is an irrational number?

• $-25$

• $\sqrt{64}$

• $\sqrt{3}$

• $\frac{5}{6}$

Which one is a rational number?

• 1.12345.....

• $\sqrt{\frac{4}{9}}$

• $\sqrt{21}$

• $\pi$

Which statement is not correct?

• An irrational number cannot be written as a ratio.

• A rational number can be written in decimal form.

• An irrational number can be written as a fraction.

• A rational number can be written as a ratio.