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 2:3 and 4:6 form a proportion.

Back

Not a Proportion

Front

If 5 pounds of apples cost $10, how much do 15 pounds cost?

Back

$30

Front

Back

x = 1

Front

What is the cross-multiplication method used for?

Back

It is used to determine if two ratios form a proportion by multiplying the means and extremes.

Front

If 8:12 is a proportion, what is the simplified form?

Back

2:3

Front

Back

x = 10

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship or value.

Front

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

Back

2:3

Front

Determine whether the ratios 1:2 and 2:4 form a proportion.

Back

Proportion