Percent of a Number

Front

What is the definition of 'percent'?

Back

Percent means 'per hundred' and is a way to express a number as a fraction 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 * 0.20 = 10.

Front

What is 50% of 100?

Back

50

Front

A coin is tossed 150 times and lands on heads 42% of the time. How many times did it land on heads?

Back

63 times

Front

If Amanda has finished 9 problems on her math study guide and this is 75% of the problems, how many problems are on the entire study guide?

Back

12 problems

Front

What is 32% of 143?

Back

45.76

Front

6 is 20% of what amount?

Back

30

Front

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

Back

Percentage = (Part / Whole) * 100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 25% becomes 0.25.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.