Is it a Proportion?

Do the following ratios form a proportion?

 $\frac{48}{25}\ \ \ \frac{8}{5}$  

• Yes

• No

Do the following ratios form a proportion?

 $\frac{9}{8}\ \ \ \frac{54}{48}$  

• Yes

• No

Do the following ratios form a proportion?

 $\frac{8}{7}\ \ \ \frac{16}{14}$  

• Yes

• No

Do the following ratios form a proportion?

 $\frac{4}{5}\ \ \ \ \frac{12}{15}$  

• Yes

• No

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Which ratio below is proportional to the ratio  5/6?

• 6/5
• 50/75
• 25/30
• 12/10

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.