Percents - 6th grade

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 '%'.

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 30% of 80, calculate 80 x 0.30 = 24.

Front

What is 40% of 200?

Back

80

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, move the decimal point two places to the right and add a percent sign. For example, 0.75 becomes 75%.

Front

What is the fraction for the decimal 0.25?

Back

1/4

Front

If 60% of a class of 30 students are girls, how many girls are in the class?

Back

18 girls (30 x 0.60 = 18).

Front

What is 10% of 150?

Back

15

Front

How do you find the percent increase?

Back

To find the percent increase, subtract the original number from the new number, divide by the original number, and multiply by 100. For example, if a price increases from $50 to $60, the percent increase is ((60-50)/50) x 100 = 20%.

Front

What is 65% of 80?

Back

52

Front

How do you express 3/4 as a percent?

Back

To express 3/4 as a percent, divide 3 by 4 to get 0.75, then move the decimal two places to the right to get 75%.