Rational vs. Irrational Numbers

Rewrite 2.18 as a fraction. Do not simplify. 

•  $2\ \frac{18}{100}$  

•  $2\ \frac{18}{1000}$  

•  $2\ \frac{18}{10}$  

•  $\frac{218}{1000}$  

 $6\pi\$  is:

• Rational

• Irrational

 $\frac{1}{3\ }+\frac{11}{9}$  is:

• Rational

• Irrational

The bar over the .28 means it repeats forever, therefore it is irrational.

• True

• False

• Rational

• Irrational

A rational number is one that can be written as a ratio.

• True

• False

Identify the rational numbers. Choose all that apply.

• $42.96701$

• $\frac{104}{33}$

• $-3.\ \ \frac{ }{2187}$

• $\sqrt{16}$

• $\sqrt{30}$

The number

 $\sqrt{6}$  is rational.

• True

• False

 $\sqrt{25}$  is rational, because it can be simplified to 5.

• True

• False

The sum of a rational number and an irrational number produces an irrational number.

• True

• False