Ratios

Front

What is a ratio?

Back

A ratio is a way to compare two quantities by using division. It shows how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does the term 'part' mean in ratios?

Back

In ratios, a 'part' refers to a single unit of measurement in the comparison. For example, in the ratio 3:2, there are 3 parts of the first quantity and 2 parts of the second.

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2 to 5.

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 7 to 5.

Front

How do you simplify a ratio?

Back

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

Front

What is the total number of coins if you have 3 pennies, 4 nickels, and 5 dimes?

Back

The total number of coins is 3 + 4 + 5 = 12.

Front

What is the ratio of nickels to total number of coins if you have 4 nickels?

Back

The ratio of nickels to total number of coins is 4:12.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to snakes?

Back

The ratio of birds to snakes is 4 to 6.

Front

What does it mean if a ratio is expressed as 1:3?

Back

It means for every 1 part of the first quantity, there are 3 parts of the second quantity.