Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), the word 'to' (e.g., 3 to 2), or as a fraction (e.g., 3/2).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

If the ratio of red apples to yellow apples is 4:3, how many red apples are there if there are 6 yellow apples?

Back

There are 8 red apples.

Front

What is the ratio of chocolate chips to flour in a recipe that uses 3 cups of flour and 2 cups of chocolate chips?

Back

The ratio of chocolate chips to flour is 2:3.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is the relationship of oranges to total fruit if there are 2 oranges and 6 total fruits?

Back

The ratio of oranges to total fruit is 2:6.

Front

If there are 42 people walking in 2 rows, how many people are in 1 row?

Back

There are 21 people in 1 row.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls in a class.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares a part of a quantity to the entire quantity, such as the ratio of apples to total fruits.