1/3 Ratios and Equivalent 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:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What does equivalent ratios mean?

Back

Equivalent ratios are two or more ratios that express the same relationship between quantities, even if the numbers are different.

Front

If the ratio of chocolate shakes to vanilla shakes is 5:4 and there are 20 chocolate shakes, how many vanilla shakes are there?

Back

16 vanilla shakes.

Front

What is the ratio of coaches to players if there are 10 players and 3 coaches?

Back

The ratio of coaches to players is 3:10.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio is 4 red apples to 3 green apples.

Front

If Donald's Donuts makes 13 glazed donuts for every 7 chocolate donuts, what is the ratio of chocolate to glazed donuts?

Back

The ratio of chocolate to glazed donuts is 7:13.

Front

How do you compare two ratios?

Back

To compare two ratios, convert them to fractions and find a common denominator or cross-multiply.

Front

What is the rate of grading if a teacher grades 25 homework assignments in 20 minutes?

Back

The rate is 1.25 assignments per minute.