Equivalent Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is the ratio of red circles to blue stars if there are 7 red circles and 4 blue stars?

Back

The ratio of red circles to blue stars is 7:4.

Front

If the ratio of chocolate shakes to vanilla shakes is 5:4 and 20 chocolate shakes were sold, how many vanilla shakes were sold?

Back

16 vanilla shakes were sold.

Front

How do you calculate the ratio of a specific item to the total number of items?

Back

To calculate the ratio of a specific item to the total, divide the quantity of that item by the total quantity of all items.

Front

What is the ratio of red toy cars to all toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you simplify a ratio?

Back

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

Front

If a recipe calls for a ratio of 2:3 of flour to sugar, how much sugar is needed for 4 cups of flour?

Back

If the ratio is 2:3, then for 4 cups of flour, you need 6 cups of sugar.

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of equivalent ratios.

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.