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).

Tags

CCSS.6.RP.A.3C

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.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A