Ratios and Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they can be simplified to the same fraction.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of boys to girls if there are 8 boys and 16 girls?

Back

The ratio of boys to girls is 1 to 2, or 1:2.

Front

If Kelly has 10 apps, 5 of which are school apps, what is the ratio of school apps to total apps?

Back

The ratio of school apps to total apps is 5 to 10, which simplifies to 1 to 2.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both parts of the ratio by their GCD until no further simplification is possible.

Front

What is the ratio of peaches to apples if Angie has 10 apples and 15 peaches?

Back

The ratio of peaches to apples is 15 to 10, which simplifies to 3 to 2.

Front

What is the total number of players if a baseball team has 16 girls and 8 boys?

Back

The total number of players is 24 (16 girls + 8 boys).

Front

What is the ratio of total players to boys in simplest form if there are 24 players and 8 boys?

Back

The ratio of total players to boys is 24 to 8, which simplifies to 3 to 1.

Front

If there are 3 green marbles and 1 yellow marble, what is the ratio of green marbles to yellow marbles?

Back

The ratio of green marbles to yellow marbles is 3 to 1.