6.5B - Percent proportions

Front

What is a percent proportion?

Back

A percent proportion is a way to express a part of a whole as a percentage. It is often represented as Part/Whole = Percent/100.

Front

How do you calculate the percentage of a part in a whole?

Back

To calculate the percentage, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100 = Percent.

Front

If a baseball team won 24 out of 30 games, what percentage did they win?

Back

(24/30) x 100 = 80%. They won 80% of their games.

Front

What part of the percent proportion is missing if you know the part and the whole?

Back

You are missing the Percent.

Tags

CCSS.6.RP.A.3C

Front

A painter painted 45% of a fence and completed 90 feet. How do you find the total length of the fence?

Back

Set up the equation: 0.45 * Total Length = 90. Solve for Total Length: Total Length = 90 / 0.45 = 200 feet.

Tags

CCSS.6.RP.A.3C

Front

In a survey of 350 people, 70 like Ajillos tacos. What percent do NOT like them?

Back

To find the percent that do not like them: 350 - 70 = 280. (280/350) x 100 = 80%. 80% do not like Ajillos tacos.

Front

If 30% of 40 students passed a test, how many passed?

Back

Calculate the number of students who passed: (30/100) x 40 = 12 students passed.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the part when you know the percent and the whole?

Back

The formula is: Part = (Percent/100) x Whole.

Tags

CCSS.6.RP.A.3C

Front

If 50% of 160 people had pizza, how many had chicken?

Back

If 50% had pizza, then 50% had chicken. 50% of 160 = 80. So, 80 people had chicken.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between part, whole, and percent in a percent proportion?

Back

The relationship is expressed as Part/Whole = Percent/100.