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 write a ratio using a colon?

Back

A ratio can be written using a colon by placing the two quantities separated by a colon, for example, 3:4.

Front

What does the ratio 3:2 mean?

Back

The ratio 3:2 means that for every 3 of one quantity, there are 2 of another quantity.

Front

If there are 5 red cars and 10 total cars, what is the ratio of red cars to total cars?

Back

The ratio of red cars to total cars is 5:10, which simplifies to 1:2.

Front

What is the ratio of bananas to oranges if there are 3 bananas and 8 oranges?

Back

The ratio of bananas to oranges is 3:8.

Front

Which of the following is NOT a way to express a ratio? 1) As a fraction 2) Using a colon 3) Using the word 'to' 4) None of these

Back

None of these are wrong; all are valid ways to express a ratio.

Front

If a recipe calls for 4 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 4:2, which simplifies to 2:1.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

In a class of 20 students, if 8 are boys, what is the ratio of boys to girls?

Back

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

Front

If there are 12 noodles and 4 meatballs, what is the ratio of noodles to meatballs?

Back

The ratio of noodles to meatballs is 12:4, which simplifies to 3:1.