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 divisor (GCD).

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 car travels 65 miles in 1 hour, how far will it travel in 5 hours?

Back

325 miles.

Front

What is the simplified form of the ratio 35:14?

Back

5:2.

Front

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

Back

2 to 5.

Front

If John traveled 567 miles in 9 hours, what is his unit rate in miles per hour?

Back

63 mph.

Front

How do you find the unit rate from a total distance and time?

Back

Divide the total distance by the total time.

Front

What does it mean to compare ratios?

Back

Comparing ratios involves determining which of two or more ratios is larger or smaller.

Front

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

Back

2:3.