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

Give a real-life example of a ratio.

Back

4 meatballs : 1 cup of sauce.

Front

How do you express the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 to 3.

Front

What does it mean for two ratios to be proportional?

Back

Two ratios are proportional if they express the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

Which ratio is proportional to 1/5?

Back

2/10.

Front

How do you simplify the ratio 15:25?

Back

3:5.

Front

If the ratio of brownies to cookies is 3:5 and there are 75 cookies, how many brownies are there?

Back

45 brownies.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and express them in ratio form.

Front

What is the formula to find a missing quantity in a ratio?

Back

If a:b = c:x, then x = (b * c) / a.

Front

How can you represent a ratio using fractions?

Back

A ratio a:b can be represented as the fraction a/(a+b).