Ratios Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

What does part-to-part ratio mean?

Back

A part-to-part ratio compares two parts of a whole to each other.

Front

What does part-to-whole ratio mean?

Back

A part-to-whole ratio compares one part of a whole to the entire whole.

Front

If there are 2 red cars and 3 blue cars, what is the ratio of red to blue?

Back

The ratio of red to blue is 2:3.

Front

How do you simplify the ratio 8:12?

Back

To simplify 8:12, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 2:3.

Front

What is the ratio of 5 apples to 10 oranges?

Back

The ratio of 5 apples to 10 oranges is 1:2.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

What is the ratio of 4 red marbles to 6 blue marbles?

Back

The ratio of red to blue marbles is 2:3 when simplified.

Front

How can you express the ratio 9:12 as a fraction?

Back

The ratio 9:12 can be expressed as the fraction 9/12.