Proportional Relationships: Ratios & Ratio Tables

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

do the ratios form a proportion?

• yes

• no

Does this table show a proportional or non proportional relationship?

• Proportional

• Non Proportional

True or False: This equation is a proportion because it has two equivalent ratios separated by an equal sign.

 $\frac{7}{21}=\frac{21}{63}$  

• True

• False

Are these proportional?

3:7 and 4:8

• Yes

• No

do the ratios form a proportion?

• yes

• no

Does the table represent a proportional relationship?

• Yes.

• No.

What do you call the relationships that have a constant unit rate?

Check all the ratios that are proportional.

•  $\frac{1}{2}=\frac{4}{8}$  

•  $\frac{1}{4}=\frac{2}{5}$  

•  $\frac{1}{3}=\frac{3}{9}$  

•  $\frac{0}{2}=\frac{5}{10}$  

•  $\frac{4}{9}=\frac{8}{13}$  

Is the relationship proportional?

• Yes

• No