Finding Percent Given Part and Whole

Front

What is the formula to find the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) × 100

Front

If Sally got 22 questions wrong on a quiz of 40 questions, how do you calculate the percentage of questions she got wrong?

Back

Percentage wrong = (22 / 40) × 100 = 55%.

Front

Shirley spelled 12 out of 15 words correctly. How do you find her percentage score?

Back

Percentage correct = (12 / 15) × 100 = 80%.

Front

In a class of 20 students, if 12 are male, how do you find the percentage of males?

Back

Percentage male = (12 / 20) × 100 = 60%.

Front

What does it mean to find a percentage?

Back

Finding a percentage means determining how much one quantity is of another quantity, expressed as a fraction of 100.

Front

If 29 out of 50 students passed a test, how do you calculate the percentage of students who passed?

Back

Percentage passed = (29 / 50) × 100 = 58%.

Front

In a class of 30 kids, if 3 forgot to get their report cards signed, how do you find the percentage of kids who forgot?

Back

Percentage forgot = (3 / 30) × 100 = 10%.

Front

What is a 'whole' in percentage problems?

Back

The 'whole' is the total amount or total number of items being considered.

Front

What is a 'part' in percentage problems?

Back

The 'part' is the specific amount or number of items that you are comparing to the whole.

Front

How can you express 50% as a fraction?

Back

50% = 50/100 = 1/2.