4-1 Understand Percent Flashcard

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare quantities.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

What does 125% mean?

Back

125% means 125 out of 100, or 1.25 times the whole.

Front

If 3 out of 10 students live farther than 2 miles from school, what percent is that?

Back

30% of the students live farther than 2 miles from school.

Front

What is the formula to find the percent of a number?

Back

The formula is: (Part/Whole) x 100 = Percent.

Front

How do you find the percent of a shaded area in a figure?

Back

To find the percent of a shaded area, divide the area of the shaded part by the total area and multiply by 100.

Front

What does it mean if something is 270% of another quantity?

Back

It means that the quantity is 2.7 times larger than the other quantity.

Front

What is a tape diagram?

Back

A tape diagram is a visual model that uses rectangles to represent numbers and their relationships, often used in solving percent problems.

Front

How do you express 40% as a fraction?

Back

40% can be expressed as 40/100, which simplifies to 2/5.

Front

What is the relationship between decimals and percents?

Back

Decimals can be converted to percents by multiplying by 100. For example, 0.5 is 50%.