Comparing Ratios

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 of the ratio by their greatest common divisor (GCD).

Front

What does it mean for two ratios to be equivalent?

Back

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

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

How can you express the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

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

Front

What is the total number of items if the ratio of apples to oranges is 3:2 and there are 15 apples?

Back

If there are 15 apples, then there are 10 oranges, making the total 25 items.

Front

If 5 pounds of birdseed costs $8, what is the cost per pound?

Back

The cost per pound is $1.60.

Front

How do you find a missing value in a proportion?

Back

To find a missing value in a proportion, cross-multiply and solve for the unknown.

Front

What is the ratio of 4 scary movies to 5 funny movies?

Back

The ratio of scary movies to funny movies is 4:5.

Front

If a car travels 60 miles in 1 hour, what is the ratio of distance to time?

Back

The ratio of distance to time is 60 miles to 1 hour, or 60:1.