Rational vs. Irrational Numbers

A rational number is ...

• any positive number, including zero, that is not a fraction or a decimal

• a real number that cannot be written as a fraction; they also go on forever and do not repeat

• a number that can be written as a

  fraction; it can be made by dividing two integers

• any number, positive or negative, that is not a fraction or a decimal, including zero

Tags

CCSS.HSN.RN.B.3

An irrational number is ...

• any positive number, including zero, that is not a fraction or a decimal

• a real number that cannot be written as a fraction; they also go on forever and do not repeat

• a number that can be written as a

  fraction; it can be made by dividing two integers

• any number, positive or negative, that is not a fraction or a decimal, including zero

Tags

CCSS.HSN.RN.B.3

The square root of any number that ISN'T a perfect square is ...

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

91

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

-14

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

 $\pi$  

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

 $\frac{3}{11}$  

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

 $\sqrt{23}$  

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

 $\sqrt{49}$  

• rational

• irrational

Tags

CCSS.HSN.RN.B.3

Is the following number rational or irrational?

 $0.\overline{3}$  

• rational

• irrational

Tags

CCSS.HSN.RN.B.3