Proportions

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the ratio as a fraction in simplest form.
15 girls to 6 boys   

• 5 to 2
• 5/3
• 3 to 5
• 5/2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the ratio as a fraction in simplest form. 
 
  24 players : 3 teams

• 8:3
• 8 to 1
• 8/1
• 8/3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a proportion?

• When two ratios can be simplified

• an equation stating to ratios (fractions) are equal.

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2

Are the ratios proportional?

 $\frac{1}{7}=\frac{2}{15}$  

• No

• Yes

Are the ratios proportional?

 $\frac{4}{8}=\frac{12}{32}$  

• Yes

• No

Are the ratios proportional?

 $\frac{2}{1}=\frac{18}{9}$  

• No

• Yes

 $\frac{13}{20}=\frac{1}{2}$  

Are the ratios proportional?

• No

• Yes

 $\frac{4}{1}=\frac{20}{5}$  

Are the ratios proportional?

• No

• Yes