Simple 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, often expressed as 'a:b'.

Front

How do you simplify a ratio?

Back

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

Front

What does a ratio of 4:3 mean?

Back

It means for every 4 units of the first quantity, there are 3 units of the second quantity.

Front

If there are 8 apples and 4 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 8:4, which simplifies to 2:1.

Front

What is the ratio of 10 to 5?

Back

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

Front

How do you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity, e.g., 4:3 becomes 4/3.

Front

What is the ratio of 15 to 25?

Back

The ratio of 15 to 25 is 15:25, which simplifies to 3:5.

Front

If the ratio of boys to girls in a class is 3:2, how many boys are there if there are 10 girls?

Back

If there are 10 girls, then there are 15 boys, since the ratio 3:2 means for every 2 girls, there are 3 boys.

Front

What is the ratio of 12 to 16?

Back

The ratio of 12 to 16 is 12:16, which simplifies to 3:4.

Front

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

Back

The ratio of flour to sugar is 2:3.