M6 6.PFA.1 - 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 as a fraction.

Front

How do you express the ratio of 3 red marbles to 5 blue marbles?

Back

The ratio can be expressed as 3:5.

Front

If a recipe requires 2 cups of sugar for every 4 cups of flour, what is the simplified ratio of sugar to flour?

Back

The simplified ratio is 1:2.

Front

What is the ratio of 8 apples to 12 oranges?

Back

The ratio is 8:12, which simplifies to 2:3.

Front

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

Back

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

Front

If the ratio of cats to dogs is 3:5, how many dogs are there if there are 9 cats?

Back

There are 15 dogs, calculated as (5/3) * 9 = 15.

Front

What does it mean if the ratio of two quantities is 1:1?

Back

It means that the two quantities are equal.

Front

How can you represent the ratio of 7 to 9 using the notation 'a to b'?

Back

It can be represented as '7 to 9'.

Front

If there are 10 red balls and 15 blue balls, what is the ratio of red balls to total balls?

Back

The ratio is 10:25, which simplifies to 2:5.

Front

What is the relationship described by the ratio 4:1?

Back

For every 4 of the first quantity, there is 1 of the second quantity.