Square Roots of Rational Numbers

A rational number can be written as a fraction.

• True

• False

0.6 is a rational number.

• True

• False

What is

 $\sqrt{\frac{36}{64}}$  

•  $\frac{9}{16}$  

•  $\frac{6}{8}$  

•  $\frac{18}{32}$  

• is not a perfect square

What is

 $\sqrt{2.56}$  

•  $\frac{64}{10}$  

•  $\frac{4}{5}$  

•  $\frac{16}{10}$  

• is not a perfect square

Which one is a perfect square number?

• $\sqrt{0.12}$

• $\sqrt{\frac{54}{36}}$

• $\sqrt{\frac{16}{400}}$

• $\sqrt{\frac{1}{20}}$

Which one is a perfect square number?

• $\sqrt{\frac{1}{4}}$

• $\sqrt{\frac{2}{25}}$

• $\sqrt{\frac{4}{10}}$

• $\sqrt{\frac{50}{100}}$

Which one is a perfect square number?

• $\sqrt{\frac{1}{3}}$

• $\sqrt{\frac{15}{45}}$

• $\sqrt{\frac{81}{111}}$

• $\sqrt{\frac{25}{49}}$

Which one is NOT a perfect square number?

• $\sqrt{\frac{1}{9}}$

• $\sqrt{\frac{1}{2}}$

• $\sqrt{\frac{81}{121}}$

• $\sqrt{\frac{49}{361}}$

Which is NOT a perfect square number?

• $\sqrt{0.4}$

• $\sqrt{0.04}$

• $\sqrt{4.41}$

• $\sqrt{0.64}$

Which one is a perfect square number?

• $\sqrt{14.4}$

• $\sqrt{6.4}$

• $\sqrt{0.324}$

• $\sqrt{3.24}$