Determining Percent Using Benchmark

Unit 6 Study Guide

​Test Tuesday 11/23

Multiple Choice

What percent of the rectangle is shaded?

• 25%

• 50%

• 90%

• 75%

​3/4 of the rectangle is shaded.

​

​To turn a fraction into a percent we must first make it a decimal by dividing the numerator by the denominator.

​

​3 divided by 4 = .75

​

​to turn .75 into a percent we move the decimal 2 places to the right.

​

​

​Final answer 75% of the rectangle is shaded

Multiple Choice

What percent of the circle is shaded?

• 25%

• 50%

• 75%

• 90%

Multiple Choice

David drove 72 miles. This is 70% of his entire trip. What is te total number of miles in Paul's trip?

• 4,320 miles

• 120 miles

• 43.2 miles

• 5,040 miles

​Is/part = 72

​Of/Whole = Unknown

​Percent = 60

​

​Cross multiply.

​

​100 x 72 = 60 x UNKNOWN

​7200 = 60 x UNKNOWN

​Divide both sides by 60 to get the variable by itself.

Fill in the Blanks

How many feet are in 4 yards

​There are 3 feet in 1 yard.

​

​​1 yard = 3ft

​​1 yard = 3ft

​​1 yard = 3ft

​​1 yard = 3ft

​

​4 yards = 12 ft.

Multiple Choice

Rewrite the percent as a fraction. 54%

• .54

• 54/100

• 27/50

• 21/50

​Change 54% to a decimal by moving the decimal 2 places to the left. .54

​

​To write the decimal as a fraction write it how you say it. 54 hundredths

​

​54/100

​

This is not simplest form.

​54 and 100 both have a common factor of 2.

​Divide the numerator and denominator by 2 to get a final answer of 27/50.

​

Multiple Choice

25% of 64 is what?

• 4

• 16

• 8

• 6

​IS/Part = UNKNOWN

​

​OF/Whole = 64

​

​Percent = 25

​

​Cross multiply.

​Divide both sides of the equal sign by the number being multiplied to the variable/UNKNOWN.

Fill in the Blanks

What percent of 72 is 18?

​Be sure to include the % in your answer!

​

​Is = 18

​Of = 72

​% = UNKNOWN

​

​Cross multiple.

​Divide both sides of the = by the number being multiplied to the variable.

Fill in the Blanks

Kelci picked 48 apples at a local orchard. If 25% of the apples were green, how many green apples did Kelci pick?

​Word problem! USE CUBES. Make sure you answer the correct question and include a LABEL.

​

​Is = UNKNOWN

​Of = 48 total apples

​% = 25

​

​

​​Cross multiply.

​Divide both sides of the equal sign by the number being multiplied to the variable/UNKNOWN.

Fill in the Blanks

How many kilograms (kg) are in 46 pounds (lbs).

1 lb = 0.454 kgs

Fill in the Blanks

26 yards (yds) =

inches (in.)

Fill in the Blanks

Gabe drank 45% of a 600 ml container of water. How many ml did Gabe drink.

Fill in the Blanks

Karson drank 65% of a 400 ml container of water. How many ml did Karson drink?

Multiple Choice

Gabe drank 45% of a 600 ml container of water. Karson drank 65% of a 400 ml container of water. Who drank more water?

(This is a 2 part question! You must figure out how much water each drank before determining who drank more.

• Gabe drank more water

• Karson drank more water

• Gabe

• Karson

Fill in the Blanks

Tyleigh recorded the favorite food of students in her class. According to the

results of the survey, what percent of the students chose Pizza? Show your work using ratios.

(Hint - add students together to find the OF/Whole)

(Your answer should be in %)

Multiple Choice

You answer 85% of the questions correctly on a 60-question test.         How many questions do you answer correctly?

• 51

• 7 questions answered correctly

• 51 questions answered correctly

• 70.59 questions answeered correctly

​IS/part = UNKNOWN

​OF/whole = 60

​%= 85

​

​Set it up!

​Cross multiply.

​Divide both sides of the = by the number being multiplied to the variable.

Fill in the Blanks

The results of a survey are shown. In the survey, 36 students said their favorite dessert is pie.

         How many total students were surveyed?

(

students were surveyed)

Multiple Choice

Josiah rode his bike 5.5 miles. How many total feet did he ride?

• 29,040 miles

• 5,280 feet

• 29,040 feet

• 32,984 feet

Multiple Choice

Kirk rode his bike 8 miles. How many total feet did he ride?

• 57,392 feet

• 42,240 feet

• 12,300 feet

• 42,240 miles

Fill in the Blanks

Josiah rode his bike 5.5 miles. Kirk rode his bike 8 miles.  How many more feet did Kirk ride than Josiah?

(How many more...what operation you need to do...)

(LABEL - feet)

Fill in the Blanks

Write 1.72 as an improper fraction

Fill in the Blanks

Write 3/5 as a percent

Fill in the Blanks

Write 44% as a fraction

Fill in the Blanks

write 60% as a fraction

Fill in the Blanks

Write 1.72 as a percent