Ratios, Rates, and Percents Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert miles per hour to miles per minute?

Back

To convert miles per hour to miles per minute, divide the number of miles by 60.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Jeff hikes 1.5 miles every 30 minutes, how far does he hike in 1 hour?

Back

He hikes 3 miles in 1 hour.

Tags

CCSS.6.RP.A.3B

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or price per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for finding a percentage?

Back

The formula for finding a percentage is (Part/Whole) x 100.

Front

What does 'part' refer to in a percent problem?

Back

In a percent problem, 'part' refers to the portion of the whole that you are interested in.

Front

What does 'whole' refer to in a percent problem?

Back

In a percent problem, 'whole' refers to the total amount or the entire quantity.

Front

How do you set up a proportion to find the number of left-handed students if there are 24 right-handed students and the ratio is 8 to 1?

Back

You can set up the proportion as 8 right / 1 left = 24 right / x left.

Front

What is the relationship between 'of' and 'is' in percent problems?

Back

In percent problems, 'of' refers to the whole and 'is' refers to the part.

Front

How many milliliters are in a liter?

Back

There are 1,000 milliliters in a liter.

Tags

CCSS.4.MD.A.1