7th Grade Pre-APReview WS- Week 30 CCA

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1.Which tree diagram shows the possible outcomes for T-shirts that come in the colors gray (G) or navy (N) and in sizes small (S), medium (M), and large (L)?

A

B

C

D

2.Raul tossed a coin and spun a spinner with three equal sections. He landed on tails and 2 on the spinner five times out of forty total trials. What is theexperimental probability of tossing a tail and spinning a 2?

3.Reese tossed a coin and rolled a number cube labeled 1–6. What is the probability of tossing heads and rolling an even number?

4.Tessa is rolling a number cube labeled 1–6. What is the probability of Tessa NOT rolling a 1, 2, 5, or 6?

5.Tony has a workout playlist consisting of4 songs for stretching, 14 songs for running,and 6 songs for lifting weights. If the playlist isshuffled, how likely is it a randomly selectedsong will be a song for running?

Aimpossible

Bas likely to happen as not

Clikely

Dcertain

6.Justin is tossing a quarter to determine whichteam gets the ball at the beginning of afootball game. The Rams get the ball if thequarter lands on heads and the Tigers get theball if the quarter lands on tails. How likely isit that the Rams will have the ball at thebeginning of the game?

Aunlikely

B as likely to happen as not

C likely

D certain

7.The table shows the number of different colorballoons set up for a dart game at a carnival.Which statement is true?

AThe probability of hitting a red balloon isas likely as hitting a yellow balloon.

BThe probability of hitting a blue balloon isgreater than hitting the other colorballoons.

CThe probability of hitting a yellow balloonis less than hitting the other colorballoons.

DThe probability of hitting a green balloonis as likely as hitting a purple balloon

8.Ava writes each letter of the alphabet onseparate note cards and puts the cards in ahat. How many times would you expect Avato pick a letter from her name if she picks acard 50 times, returning the card to the hat

each time?

A about 2 times

B about 4 times

C about 13 times

D about 26 times

9.Allie is deciding when to take her vacation.She wrote each month of the year on aseparate piece of paper and put the pieces inan envelope. The table shows the results ofpicking a piece of paper from the envelope.

What is the experimental probability that Alliewill take her vacation during a month thatstarts with a J?

10.Isaac is playing a dart game at the schoolcarnival. The dartboard is shown. How muchgreater is the probability of Isaac hitting agray square than a black square?

11. Tom put slips of paper with numbers 1 to50 in a hat. As a decimal, what is thetheoretical probability that Tom will choose aslip of paper with a number that is notgreater than 10?

12.Linda rolled two 6-sided number cubeslabeled 1–6 fifty times. She rolled a sum of6 fifteen times. What is the experimentalprobability of a sum of 6?

13.The prom committee is trying to decide whatcolor scheme to use. The results of surveying50 seniors are in the table. If there are300 students in the senior class, predict howmany students would prefer black andsilver as their color scheme.

A12 studentsB34 students

C84 studentsD156 students

14. The probabilities of selecting marbles from a jar are shown in the table. There are 2 green marbles in the jar. What is the total number of marbles in the jar?

F 25 marbles

G 20 marbles

H 5 marbles

J 4 marbles

15.The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for .

16.What is the area of the shaded region? Use 3.14 for .

17.Determine the lateral area of the square pyramid by determining the area of the net.

18.A cylinder with a diameter of 14.9 meters has a volume of about 2,092 cubic meters. What is the height of the cylinder? Use 3.14 for .
19.Sam built a cone-shaped roof on a cylindrical shed. What is the height of the roof, in feet, if the volume of the roof is the volume of the shed? Use 3.14 for .

20.Malinda is trying to decide between two different storage containers. She wants to purchase the container that has more volume. Which statement is true?

a. / The rectangular container is larger and has a volume of 6,480 in.
b. / The rectangular container is larger and has a volume of 7,536 in.
c. / The cylindrical container is larger and has a volume of 6,480 in.
d. / The cylindrical container is larger and has a volume of 7,536 in.
21.The table shows the dimensions of four rectangular prisms. Which prism has the greatest surface area?

a. / Prism 1 / b. / Prism 2
c. / Prism 3 / d. / Prism 4
22.Rodney is going to spray paint all the surfaces of the ramp shown below. One canister of spray paint will cover approximately 10 square feet. How many canisters will Rodney need?

ANSWER KEY

  1. A
  1. C
  2. B
  3. D
  4. B
  1. 0.18
  2. 0.3
  3. D
  4. G
  5. 284.52
  6. 123.84
  7. 112
  8. 12
  9. 3.75
  10. D
  11. A
  12. 15

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