Ratios

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 can a ratio be written?

Back

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

Front

Which of the following is NOT a way to write a ratio: 3=4, 3:4, 3/4, 3 to 4?

Back

3=4 is NOT a way to write a ratio.

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2 to 5.

Front

If there are 6 red dots, 3 green dots, and 5 orange dots, what is the ratio of green dots to orange dots?

Back

The ratio of green dots to orange dots is 3:5.

Front

What is another way to write the ratio 6:7?

Back

Another way to write 6:7 is 6/7.

Front

What is the ratio of orange circles to blue circles if there are 3 orange and 2 blue?

Back

The ratio of orange circles to blue circles is 3:2.

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

How do you simplify the ratio 8:12?

Back

To simplify the ratio 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 10 apples to 5 oranges?

Back

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