Percent Proportions

Percent Proportions

Review

By Courtney Tout

Multiple Choice

Percents are always out of ...

• 1

• 100

• thin air

• this world

When given a percent word problem look for Key Words to determine what you are given and what is missing:

Part = 15 Percent = 25

Whole = 60​

Percent Key Words​

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​15 is 25% of 60.

Multiple Choice

Determine if you are finding the part, percent, or whole:

12 is 50% of what number?

• Part

• Percent

• Whole

Multiple Choice

Determine if you are finding the part, percent, or whole:

What is 20% of 60?

• Part

• Percent

• Whole

Multiple Choice

Determine if you are finding the part, percent, or whole:

18 is what percent of 36?

• Part

• Percent

• Whole

Multiple Choice

There are 40 students in a class and 30% of these students passed their history test. What number of these students passed the test?

What part of the percent proportion are you missing?

• Percent

• Part

• Whole

Multiple Choice

A baseball team played 30 games throughout their entire season. They won 24 of them. What percentage did they win?

What part of the percent proportion are you missing?

• Part

• Whole

• Percent

Multiple Choice

At a construction job, there are 15 painters. Of the painters, 40% of them are working on the inside. How many painters are working inside of the building?

What part of the percent proportion are you missing?

• Part

• Whole

• Percent

​Some text here about the topic of discussion.

Percent Proportion

​

Multiple Choice

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

Multiple Choice

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "OF and IS"?

​

19 is what % of 70?​

Example 1:

Example 2:

​75% of 600 is what number?

Multiple Choice

Which of these is set up correctly for "30 is what percent of 600"?

Multiple Choice

Which of these is set up correctly for "What percent of 55 is 80"?

Multiple Choice

Which of these is set up correctly for "What is 6% of 90"?

Multiple Choice

Which of these is set up correctly for "Find 40% of the number 85"?

Multiple Choice

There are 9 students in a classroom that play football, this is 37.5% of the class. How many students are in the class?

Set up a proportion to help you solve this problem.

Multiple Choice

Pacino worked 8 hours out of the day. What percent of the day did he work?

Multiple Choice

: : DANGER : :

Nyla took a math test and got 12 correct and 3 incorrect answers. What was the percent of wrong answers?

Multiple Choice

All percents are out of what?

• 1

• 10

• 100

• 1000

1. Cross Multiple & Divide

2. Scaling Up or Down

​Solving

Multiple Choice

Sally got 22 questions wrong on her quiz that had 40 questions on it. What is the percentage of the questions she got wrong?

• 45%
• 55%
• 32%
• 95%

Multiple Choice

Greg took a test.  Out of 12 questions, he answered only nine correctly.  What percent of the questions did he score correctly?

• 75%
• 50%
• 80%
• 85%

Multiple Choice

What is 9% of 200?

• 100
• 18
• 20

Multiple Choice

What percent of 200 is 28?

• 20%
• 30%
• 14%
• 28%

Multiple Choice

In a class of 30 kids, 3 forgot to get their report cards signed. What percent is that?

• 3%
• 30%
• 10%
• 70%

Multiple Choice

What is 30% of 80?

• 30
• 24
• 2.4
• 56

Multiple Choice

29 out of 50 is what percent ?

• 58%
• 75%
• 68%
• 96%

Poll

How do you feel about this topic?

• I will never understand this

• I am getting there, with more practice

• I am in a good spot

• I am an expert