Envision Topic 5 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 simplify a ratio?

Back

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

Front

What does a ratio of 6:5 mean?

Back

It means for every 6 units of the first quantity, there are 5 units of the second quantity.

Front

If the ratio of seniors to juniors is 7:4, how many total members are there if there are 28 juniors?

Back

There are 49 total members (28 juniors + 49 seniors).

Front

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

Back

Add the numbers in the ratio together. For example, in a ratio of 6:5, the total parts are 6 + 5 = 11.

Front

What is the ratio of seniors to total team members if there are 7 seniors and 4 juniors?

Back

The ratio is 7:11.

Front

How can you express a ratio as a fraction?

Back

Front

What is the relationship between ratios and proportions?

Back

A proportion states that two ratios are equal. For example, if a:b = c:d, then a/b = c/d.

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 (2/3 of 9 cups).

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls in a class.