Ratios and Equivalent 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 to b' or a:b.

Front

What does equivalent ratios mean?

Back

Equivalent ratios are two or more ratios that represent the same relationship between numbers, meaning they simplify to the same fraction.

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 find equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of 10 to 5 in simplest form?

Back

The simplest form of the ratio 10 to 5 is 2:1.

Front

If there are 8 red marbles and 4 blue marbles, what is the ratio of red to blue marbles?

Back

The ratio of red to blue marbles is 2:1.

Front

How do you express the ratio of 15 to 25 in simplest form?

Back

The simplest form of the ratio 15 to 25 is 3:5.

Front

What is the relationship between ratios and fractions?

Back

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

Front

If a car travels 60 miles in 1 hour, what is the ratio of miles to hours?

Back

The ratio of miles to hours is 60:1.

Front

In a class of 20 students, if 12 are girls, what is the ratio of girls to total students?

Back

The ratio of girls to total students is 12:20, which simplifies to 3:5.