Ratio and Proportion

Front

What is a ratio?

Back

A ratio is a comparison of two quantities expressed as a fraction, indicating how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of 28 to 42 simplified?

Back

2 : 3

Front

If there are 15 boys and 20 girls in a class, what is the ratio of girls to total students?

Back

4 : 7

Front

What is the ratio of birds to snakes if there are 4 birds and 6 snakes?

Back

4 : 6 or simplified to 2 : 3

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

How do you find a missing value in a proportion?

Back

Cross-multiply the known values and set them equal to each other to solve for the missing value.

Front

What is the simplified form of the ratio 18 : 24?

Back

3 : 4

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

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

Back

2 : 3