Ratio

Front

What is a ratio?

Back

A ratio is a comparison of two quantities using division.

Front

How can a ratio be expressed?

Back

A ratio can be expressed in three ways: 1) as a fraction (e.g., 2/3), 2) with a colon (e.g., 2:3), and 3) in words (e.g., 2 to 3).

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to snakes?

Back

The ratio of birds to snakes is 4:6, which can be simplified to 2:3.

Front

How do you simplify the ratio 4:6 to its lowest terms?

Back

To simplify 4:6, divide both numbers by their greatest common divisor, which is 2, resulting in 2:3.

Front

What is the first step in solving a ratio problem?

Back

The first step is to identify the quantities being compared.

Front

What does it mean to express a ratio in lowest terms?

Back

Expressing a ratio in lowest terms means simplifying it so that the two quantities have no common factors other than 1.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much sugar is needed for 4 cups of flour?

Back

If the ratio is 2:3, then for 4 cups of flour, you would need 6 cups of sugar to maintain the same ratio.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How do you find the equivalent ratio of 2:3?

Back

To find an equivalent ratio, multiply both terms by the same non-zero number. For example, multiplying by 2 gives 4:6.