6th Grade 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

How do you simplify a ratio?

Back

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

Front

What is the ratio of red toy cars to all toy cars if there are 3 red cars and 5 total cars?

Back

The ratio is 3:5.

Front

If there are 2 green rubber bands out of 7 total rubber bands, what is the ratio of green rubber bands to total rubber bands?

Back

The ratio is 2:7.

Front

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

Back

To find the total number of items, add the parts of the ratio together and multiply by the number of sets.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio is 4:3.

Front

If 5 out of 10 apples are red, what is the ratio of red apples to total apples?

Back

The ratio is 5:10, which simplifies to 1:2.

Front

How much green paint is needed for 5 oz. of white paint if the ratio is 1:15?

Back

You need 1/15 of the amount of white paint, which is 3 oz. of green paint.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares one part of a whole to another part of the same whole.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares one part of a whole to the entire whole.