Rates, Ratios, proportions and percents

Front

Convert 4/5 to a percent:

Back

80%

Front

Which of the following describes a unit rate? 1) 13 pounds per 12 inches 2) 15 fish per 12 gallons 3) 24 hours per day 4) 55 miles in 3 hours

Back

24 hours per day

Front

To rewrite a percent as a fraction: Rewrite the percent using ________ of 100.

Back

denominator

Front

Mrs. Bennett has graded 20% of her 150 students’ papers. How many papers does she still need to finish grading?

Back

120

Front

Is the table proportional? Yes or No?

Back

Yes

Front

What is a ratio?

Back

A comparison of two quantities by division.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100.

Front

What is a proportion?

Back

An equation that states two ratios are equal.

Front

If 30% of a number is 60, what is the number?

Back

200

Front

What is the formula for finding a percent?

Back

(Part/Whole) x 100 = Percent