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:b'.

Front

What does 'equivalent ratios' mean?

Back

Equivalent ratios are two or more ratios that express the same relationship between numbers, such as 1:2 and 2:4.

Front

What is a 'part to whole' relationship?

Back

A part to whole relationship compares a part of a group to the entire group, such as 3 out of 5 students.

Front

What is a 'part to part' relationship?

Back

A part to part relationship compares one part of a group to another part of the same group, such as the ratio of boys to girls.

Front

If the ratio of apples to oranges is 2:3 and there are 10 apples, how many oranges are there?

Back

15 oranges.

Front

How do you find an equivalent ratio?

Back

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

Front

What is the ratio of 8 to 12 simplified?

Back

The simplified ratio is 2:3.

Front

If a recipe calls for 4 cups of flour for every 2 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:1.

Front

How can you use ratios to solve real-world problems?

Back

Ratios can be used to compare quantities, scale recipes, or determine proportions in various situations.

Front

What is the first step to solve a ratio problem?

Back

Identify the quantities being compared and write the ratio in fraction form.