Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:4), the word 'to' (e.g., 3 to 4), or as a fraction (e.g., 3/4).

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the two quantities are expressed in the smallest whole numbers possible.

Front

How do you simplify a ratio?

Back

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

Front

What is the boy:girl ratio in a class with 15 boys and 20 girls?

Back

The boy:girl ratio is 3:4.

Front

If a bag contains 3 blue marbles, 2 red marbles, and 5 yellow marbles, what is the ratio of red to yellow marbles?

Back

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

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, place the first quantity over the second quantity (e.g., for a ratio of 8:3, write it as 8/3).

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

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

Front

What is a real-life example of a ratio?

Back

A real-life example of a ratio is 4 meatballs to 1 cup of sauce.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide each quantity by the same number to compare them.