Ratio Basics Review

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

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

Front

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

Back

The ratio is 2:5.

Front

What does it mean for a ratio to be in simplest form?

Back

A ratio is in simplest form when the two numbers have no common factors other than 1.

Front

If there are 4 oranges and 2 apples, what is the ratio of oranges to apples in simplest form?

Back

The ratio is 2:1.

Front

How do you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

Front

What is the total number of marbles if there are 3 blue, 2 red, and 5 yellow marbles?

Back

The total number of marbles is 10.

Front

If there are 3 pennies, 4 nickels, and 5 dimes, what is the ratio of nickels to total coins?

Back

Front

What is the ratio of players to teams if there are 24 players and 3 teams?

Back

The ratio is 8:1.

Front

How do you find the ratio of a part to a whole?

Back

To find the ratio of a part to a whole, divide the part by the total amount.