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

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form by dividing both quantities by their greatest common divisor.

Front

If the ratio of red apples to green apples is 4:3, how many red apples are there if there are 12 green apples?

Back

There are 16 red apples.

Front

What is the ratio of flames to arms on a candle if there are 3 flames and 2 arms?

Back

The ratio is 3:2.

Front

In a ratio of 3:5, if there are 30 tenants, how many cars are there?

Back

There are 50 cars.

Front

What is the simplest form of the ratio 35:14?

Back

The simplest form is 5:2.

Front

How do you find the total quantity from a ratio?

Back

Add the parts of the ratio together to find the total quantity.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 9 cups of flour?

Back

You need 6 cups of sugar.

Front

What is the ratio of boys to girls in a class of 12 boys and 8 girls?

Back

The ratio is 3:2.