Ratios

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 express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or in words (e.g., '3 to 2').

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruit is 5:11.

Front

In a recipe, if there are 4 meatballs for every 1 cup of sauce, what is the ratio of meatballs to sauce?

Back

The ratio of meatballs to sauce is 4:1.

Front

If Kelly has 10 apps on her iPad, 5 are school apps, 2 are music apps, and 3 are games, what is the ratio of school apps to game apps?

Back

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

Front

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

Back

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

Front

How do you find the total number of items when given a ratio?

Back

To find the total number of items, add the parts of the ratio together and multiply by the common factor.

Front

What is the importance of ratios in real life?

Back

Ratios are important in real life for comparing quantities, understanding proportions, and making decisions based on relationships between different items.

Front

Can ratios be simplified?

Back

Yes, ratios can be simplified by dividing both sides by their greatest common divisor.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls in a class.