Ratio

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing 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 simplest form of the ratio 12:30?

Back

The simplest form is 2:5.

Front

If there are 12 boys and 18 girls in a class, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 3:2.

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together. For example, in a ratio of 3:5, the total is 3 + 5 = 8.

Front

In a box of 48 oranges, if 1 in every 6 oranges is rotten, how many are rotten?

Back

8 oranges are rotten.

Front

What is the ratio of pink goggles to blue goggles if there are 4 pink for every 3 blue?

Back

The ratio is 4:3.

Front

If there are 28 pink goggles, how many blue goggles are there?

Back

There are 21 blue goggles.

Front

What is the ratio of cups of flour to cups of water in a pizza dough recipe if it is 9:4?

Back

The ratio is 9:4.

Front

If a pizza restaurant uses 36 cups of flour, how much water should they use?

Back

They should use 16 cups of water.