Ratios and Equivalent Ratios

Front

What is a ratio?

Back

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

Front

Give an example of a ratio in real life.

Back

4 meatballs : 1 cup of sauce.

Front

How do you write the ratio of red toy cars to all toy cars if there are 3 red cars and 7 total cars?

Back

The ratio is 3:7.

Front

What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that express the same relationship between numbers.

Front

Are the ratios 15:5 and 3:1 equivalent?

Back

Yes, they are equivalent because both simplify to the same ratio.

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

You can find equivalent ratios by multiplying or dividing both terms of the ratio by the same number.

Front

What is the ratio of 10 to 45 in simplest form?

Back

The simplest form of the ratio 10:45 is 2:9.

Front

If you have 5 apples and 10 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 1:2.

Front

What does it mean if two ratios are not equivalent?

Back

It means they do not represent the same relationship between the quantities.