Writing 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'.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using the word 'to' (e.g., 5 to 3), using a colon (e.g., 5:3), or as a fraction (e.g., 5/3).

Front

What does a ratio of 5 to 8 mean?

Back

It means that for every 5 units of the first quantity, there are 8 units of the second quantity.

Front

If there are 10 apples and 5 oranges, what is the ratio of apples to oranges?

Back

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

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

The ratio of boys to girls is 13:10.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of school apps to game apps if there are 5 school apps and 3 game apps?

Back

The ratio of school apps to game apps is 5:3.

Front

If a classroom has 15 students, 9 are boys and 6 are girls, what is the ratio of girls to total students?

Back

The ratio of girls to total students is 6:15, which simplifies to 2:5.

Front

What is the total number of parts in the ratio 5:8?

Back

The total number of parts is 5 + 8 = 13.

Front

If there are 4 nickels and 8 total coins, what is the ratio of nickels to total coins?

Back

The ratio of nickels to total coins is 4:8, which simplifies to 1:2.