After Unit 2 and Lesson 16 IM

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'.

Front

How do you simplify a ratio?

Back

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

Front

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

Back

4 red apples to 3 green apples.

Front

If the ratio of boys to girls in a class is 4 to 3, how can you find the number of girls if there are 56 students?

Back

Set up the equation 4x + 3x = 56, where x is the common factor. Solve for x to find the number of girls.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you calculate the unit rate of tickets per dollar if you can buy 8 tickets for $5?

Back

Divide the number of tickets by the cost: 8 tickets / 5 dollars = 1.6 tickets per dollar.

Front

What is the formula to find miles per minute if you run 6 miles in 48 minutes?

Back

Miles per minute = Total miles / Total minutes = 6 miles / 48 minutes = 0.125 miles per minute.

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 to 10.

Front

How do you express a ratio in simplest form?

Back

By dividing both parts of the ratio by their greatest common factor.

Front

What does it mean if a ratio is expressed as 1:2?

Back

It means for every 1 unit of the first quantity, there are 2 units of the second quantity.