Ratios and Unit 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, often expressed as 'a to b' or a:b.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per unit' (e.g., miles per hour).

Front

If a recipe calls for 2 cups of flour and 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 the unit price of an item?

Back

To find the unit price, divide the total price by the number of units (e.g., price per item).

Front

What is the unit price of 10 slices of cheese for $2.48?

Back

The unit price is $0.248 per slice.

Front

If a car travels 240 miles in 4 hours, what is its speed in miles per hour?

Back

The speed is 60 miles per hour.

Front

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

Back

The ratio of red marbles to total marbles is 2:10 or simplified to 1:5.

Front

If a person can read 120 pages in 3 hours, how many pages can they read in 1 hour?

Back

They can read 40 pages in 1 hour.

Front

What is the ratio of flames to arms on a candle if there are 3 flames and 2 arms?

Back

The ratio is 3:2.