Percents Flashcard B4, Topic 1

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you compare groups using percents?

Back

To compare groups using percents, convert the quantities to a common base (usually 100) and compare the resulting values.

Front

What is the formula to calculate a percent?

Back

Percent = (Part/Whole) x 100.

Front

If 150 out of 250 students voted, what percent voted?

Back

60%.

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you find a missing number in a ratio table?

Back

Use the relationship between the known numbers to set up a proportion and solve for the missing number.

Front

What is the relationship between ratios and percents?

Back

Ratios can be converted to percents by dividing the part by the whole and multiplying by 100.

Front

If 819 is the answer to a percent problem, what could the problem be?

Back

The problem could involve finding a certain percent of a total amount.

Front

How do you find the percent of a number?

Back

Multiply the number by the percent (as a decimal) to find the part.

Front

What does it mean to model a relationship with an equation?

Back

It means to express a real-world situation using mathematical symbols and operations.