Solving Percent Word Problems

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form) and then divide by 100.

Front

What is the formula to find the total when given a percentage and a part?

Back

Total = Part / (Percentage / 100)

Front

If a student scores 80% on a test with 20 questions, how do you find the number of correct answers?

Back

Multiply 20 by 0.80 (80% in decimal) to get 16 correct answers.

Front

How do you find 93% of a weight?

Back

Multiply the weight by 0.93 to find the amount that represents 93%.

Front

What does it mean to find a percentage of a price?

Back

Finding a percentage of a price means calculating how much that percentage represents in terms of money.

Front

If an item costs $7200 and is sold for 65% of that price, how do you calculate the sale price?

Back

Multiply $7200 by 0.65 to find the sale price, which is $4680.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100 and adding a percent sign.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place; if it's 5 or more, round up the tenths place by one.

Front

What is the first step in solving a word problem involving percentages?

Back

Identify the total amount and the percentage you need to calculate.