WGU D128 MATHEMATICS FOR ELEMENTARY EDUCATORS OA EXAM 2026-2027 ACTUAL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+

WGU D128 MATHEMATICS FOR ELEMENTARY EDUCATORS OA

EXAM 2026-2027 ACTUAL EXAM 200 QUESTIONS AND CORRECT

DETAILED ANSWERS|ALREADY GRADED A+

A teacher is making a game of ring toss for her class. She starts by using

a circle with a diameter of 10 in. and then cuts out a smaller circle with a

diameter of 6 in., leaving a ring as shown in the given image. -

ANSWER- 50.27 sq. cm

What is the approximate capacity of a spherical water tank with a radius

of 7 ft? - ANSWER- 1,436 ft 3

A cylinder has a volume of 484Ï€ in. 3 and a height of 4 in. What is the

radius of the cylinder? - ANSWER- 6.21 inches

A cylinder has a volume of 600 in 3. Find the volume of a cone with the

same radius and height as the cylinder. - ANSWER- 200 cubic inches

How many square centimeters of sheet metal are required to

manufacture a can with a radius of 3.5 cm and a height of 8 cm without

overlapping? - ANSWER- 252.77 cm 2

What is the surface area of a sphere with a diameter of 14 in.? -

ANSWER- 615.44 in 2

Find the surface area of a rectangular prism with a length of 3 in., a

width of 4 in., and a height of 5 in. - ANSWER- 94 in 2

What device would you use to measure the volume of a liquid? -

ANSWER- Graduated Cylinder

What should a student use to measure the length and width of a

textbook? - ANSWER- Ruler

A runner runs in a park for 110 minutes.What time did the runner finish

running if the runner started at 8:10 a.m.? - ANSWER- 10:00 AM

An individual wants to buy a house worth $500,000, but only has

$350,000 in a bank account. What is the deficit? - ANSWER- 150,000

A pen is 12 cm long. A pencil is 4 cm longer than the pen. What is the

total length of the pencil and the pen? - ANSWER- 12 cm+ 16 cm=28

cm

What is 15 in. in meters, given 1 in. equals 0.0254 m? - ANSWER0.381 m

There are two weeks and three days remaining until the final exam. How

many hours are there until the exam? - ANSWER- 408 hours

A tank can hold 3 gal. of water. The tank currently has 2.5 gal. of water

inside. How many liters of water need to be added to fill the tank, given

that 1 gal. equals 3.79 L? - ANSWER- 1.895 L

How many hours in a week? - ANSWER- 168 hours

An individual is paying $50 per day for a rental car. How much will it

cost to rent that car for two weeks? - ANSWER- $700

A car is traveling at 50 mph. How far will the car travel in 30 minutes? -

ANSWER- 25 miles

How many students want to take art based on the given diagram? -

ANSWER- 20

What type of graph is depicted? - ANSWER- box and whisker plot

Find the mean of this data set:1, 3, 4, 9, 8, 5, 12 - ANSWER- 6

A student in a statistics class scored an 80%, 85%, and 92% on the first

three tests. What must the student score on the last test to have at least

an 87% in the class? [ - ANSWER- 91%

Given this data set:6, 2, 9, 0, 1, 5, 9, 4, 3, 2Which value could be added

to the data set so that the median is 3? - ANSWER- 0

Which of the following terms would best describe the given data

distribution?{40, 50, 60, 60, 60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 90,

100} - ANSWER- symmetrical

Which of the following is a true statement based on the given histogram

of black cherry tree heights? - ANSWER- Black cherry trees have

heights between 60 and 90 ft.

A student's average score after the first three quizzes is 88%. What does

the student need to score on the fourth quiz to raise the average to 90%?

- ANSWER- 96%

A deck of playing cards has 52 total cards. There are four jacks and four

aces. Assuming the jack is not replaced, what is the probability of

drawing a jack and then an ace from the deck of cards? - ANSWER4/663

A jar has 8 black marbles and 8 white marbles. Two marbles are drawn.

Assuming the first marble is not replaced, what is the probability of

drawing two black marbles? - ANSWER- 7/30

In an experiment, each member of a population is replaced after it is

picked.Which of the following terms best describes these events? -

ANSWER- Independent