Percent Proportions

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you calculate the percent grade?

Back

To calculate the percent grade, divide the points earned by the total possible points and then multiply by 100. Formula: (Points Earned / Total Points) x 100.

Front

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

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). Formula: Percentage of a Number = Number x (Percentage / 100).

Front

If 34% of a number is 51, how do you find the number?

Back

To find the number, divide 51 by 0.34 (which is 34% in decimal form). Formula: Number = 51 / 0.34.

Front

What does it mean if 25% of a class is absent?

Back

It means that one-fourth of the total number of students in the class are not present.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.

Front

What is 15% of 82?

Back

15% of 82 is 12.3. Calculation: 82 x 0.15 = 12.3.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. Formula: (Part / Whole) x 100.

Front

If a student answers 36 questions correctly out of 40, what is their percentage of correct answers?

Back

The percentage of correct answers is 90%. Calculation: (36 / 40) x 100 = 90%.

Front

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

Back

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