6th Grade Percents (Reveal Course 1 Mod 2)

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 25% means 25 out of 100.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does it mean to find '65% of 180'?

Back

Finding '65% of 180' means calculating 65 out of every 100 parts of 180. This is done by multiplying 180 by 0.65, which equals 117.

Front

If Henry earned $280 and saved 65%, how much did he save?

Back

Henry saved $182. This is calculated by finding 65% of $280, which is $280 x 0.65 = $182.

Front

In a survey, if 15% of 260 students said red is their favorite color, how many students is that?

Back

That is 39 students. This is calculated by finding 15% of 260, which is 260 x 0.15 = 39.

Front

What is the formula to find the total amount if you know the part and the percent?

Back

The formula is: Total = Part / (Percent in decimal form). For example, if 39 is 15% of the total, then Total = 39 / 0.15 = 260.

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. For example, 1/4 = 0.25 x 100 = 25%.

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.

Front

If Sara has 16 action DVDs which make up 25% of her collection, how many DVDs does she have in total?

Back

Sara has 64 DVDs in total. This is calculated by dividing 16 by 0.25, which equals 64.

Front

What is the percent increase formula?

Back

The percent increase formula is: Percent Increase = (New Value - Original Value) / Original Value x 100.