Part, Whole, & Percent

Front

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

Back

Percentage = (Part / Whole) * 100

Front

If a student answers 22 questions wrong out of 40, how do you calculate the percentage of questions answered incorrectly?

Back

Percentage of wrong answers = (22 / 40) * 100 = 55%.

Front

How do you find the number of items made if you know the percentage and the total number of items?

Back

Number of items made = (Percentage / 100) * Total items.

Front

If Angela made 90% of her 50 free throws, how many did she make?

Back

Angela made 45 free throws (90% of 50).

Tags

CCSS.6.RP.A.3C

Front

What is a discount and how is it calculated?

Back

A discount is a reduction in the price of an item. It is calculated as Discount = (Discount Rate / 100) * Original Price.

Tags

CCSS.6.RP.A.3C

Front

How much is the discount on a $20 shirt with a 40% discount?

Back

The discount is $8 (40% of $20).

Tags

CCSS.6.RP.A.3C

Front

What does it mean if an image is 30% shaded?

Back

It means that 30% of the total area of the image is covered or filled in.

Tags

CCSS.3.G.A.2

Front

If a painter has painted 45% of a fence and has completed 90 feet, how do you find the total length of the fence?

Back

Total length of the fence = 90 feet / 0.45 = 200 feet.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between part, whole, and percent?

Back

The part is a portion of the whole, and the percent represents how much of the whole the part constitutes.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.