Proportions

Front

What is a proportion?

Back

A proportion is when two ratios are equivalent and show the same value.

Front

Determine whether the ratios 4:8 and 2:4 form a proportion.

Back

Proportion

Front

If 2 apples cost $20, how much do 5 apples cost?

Back

$50

Front

What is the cross-multiplication method used for?

Back

It is used to determine if two ratios form a proportion by multiplying the outer and inner terms.

Front

If there are 6 red cars sold to every 3 blue cars, what is the ratio of red cars to blue cars?

Back

2:1

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship or value.

Front

Solve the proportion: 3/4 = x/16.

Back

x = 12

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

What is the first step in solving a proportion?

Back

Identify the two ratios that are being compared.

Front

If 10 oranges cost $5, how much do 25 oranges cost?

Back

$12.50