Solving Percent Word Problems

Front

What is the formula to calculate 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.

Front

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

Back

Identify the total amount (whole) and the part that represents the percentage.

Front

If a student scores 75% on a test with 40 questions, how many questions did they answer correctly?

Back

30 questions (75% of 40 is 30).

Front

What does it mean to solve for x in an equation?

Back

To find the value of x that makes the equation true.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation until the variable is alone.

Front

What is the relationship between fractions and percentages?

Back

A percentage is a fraction with a denominator of 100.

Front

How can you check if your answer to a percentage problem is correct?

Back

Recalculate the percentage using the original numbers to verify.

Front

What is the equation for direct variation?

Back

y = kx, where k is the constant of variation.

Front

How do you solve a linear equation with one variable?

Back

Combine like terms and use inverse operations to isolate the variable.