Unit 3 Ratios Review

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 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 there are 3 apples and 5 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 3:5.

Front

How do you express a ratio in fraction form?

Back

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

Front

What is the ratio of 4 to 12 in simplest form?

Back

The simplest form of the ratio 4:12 is 1:3.

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.

Front

What is the ratio of 6 red dots to 3 green dots?

Back

The ratio of red dots to green dots is 2:1.

Front

How do you find the total number of parts in a ratio?

Back

To find the total number of parts in a ratio, add the numbers in the ratio together.

Front

If there are 10 boys and 15 girls in a class, what is the ratio of boys to total students?

Back

The ratio of boys to total students is 10:25, which simplifies to 2:5.