Ratios and Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How can you express a ratio?

Back

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

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different quantities, often with different units, such as miles per hour.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How do you find a missing number in a ratio table?

Back

To find a missing number in a ratio table, use equivalent ratios to set up a proportion and solve for the unknown.

Front

What is the ratio of 7 to 14 simplified?

Back

The ratio of 7 to 14 simplified is 1:2.

Front

If there are 12 apples and 4 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 3:1.

Front

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first quantity by the total of both quantities and multiply by 100.

Front

What is the ratio of students to basketballs in a class of 35 students and 7 basketballs?

Back

The ratio of students to basketballs is 5:1.