Checkpoint: Finding Percents with Diagrams & Equiv. Ratios

What does the term "Percent" means?

• out of every one hundred

• divide by 100

• every cent

• how many cents

In a school of 200 students. 30% of the students participated in the singing competition. How many students participated in the competition?

• 200

• 60

• 30

• 100

Blair Walsh made 27 of the 30 field goals he attempted in one season. What percent of the field goal attempts did he make?

• 15%

• 90%

• 10%

• 5%

Which of the part:whole equivalent ratios could be used to find the total number of 8th graders?

•  $\frac{40}{220}=\frac{x}{100}$  

•  $\frac{40}{100}=\frac{x}{220}$  

•  $\frac{40}{100}=\frac{220}{x}$  

Antonio bought golf clubs that were on sale for $172, marked down from $258. What was the discount as a percent and fraction?

Select all that apply

• $  $86$  

•   $\frac{1}{3}$  off

•   $33\ \frac{1}{3}$  % discount

•   $86$  % discount

•   $33$  % discount

Based on the diagram, select all of the statements that could be made about purple paint.

• The ratio of red to blue paint is 4:1

• Red makes up 80% of purple paint.

• If you needed 30 ounces of purple paint, you would use 20 ounces of red paint.

• If you needed 10 ounces of purple paint, you would use 8 ounces of red paint

• The ratio of blue to red paint is 3:4

Which of the mixtures will produce the same shade of blue?

• 5 white and 6 blue

• 1 white and 1.5 blue

• 4 white and 3 blue

• 1.5 white and 2 blue

A fish tank that holds 80 gallons of water is 55%

full. How many gallons are in the tank now and how many more gallons will be required to fill the tank?

• 55 gallons are in the tank now and 45 gallons are still required.

• 36 gallons are in the tank now and 44 gallons are still required.

• 55 gallons are in the tank now and 80 gallons are still required.

• 44 gallons are in the tank now and 36 gallons are still required.

• 50 gallons are in the tank now and 30 gallons are still required.

An accurate equivalence for  $\frac{2}{3}$  is....

Select all that apply

•  $\overline{.6}$  

• About 66%

• About 67%

• About .66667

• Exactly  $66\ \frac{2}{3\ }\%$  

If you get all of the quiz questions correct you will ...

(remember that you can take it as many as 4 times)

Select all that apply

• earn 100% for the assignment in your grade

• persevere and get smarter :-)

• show that you are a learner!!