7th Math Test 7 Review

A bag contains gumballs.

• 4 gumballs are blue.
• 8 gumballs are yellow.
• 3 gumballs are red.

A gumball will be randomly selected from the bag. What is the probability in decimal form that the gumball selected will be red?

• 0.15

• 0.3

• 0.25

• 0.2

Tags

CCSS.7.SP.C.7B

James has two boxes of cookies. The first box contains 2 peanut butter cookies, 6 chocolate chip cookies, and 4 sugar cookies. The second box contains 4 peanut butter cookies, 3 chocolate chip cookies, and 2 sugar cookies. James will randomly select one cookie from each box. What is the probability that James will select a chocolate chip cookie from each box?

• 1/6

• 3/7

• 2/3

• 1/2

Kylie has 3 pink bracelets, 5 blue bracelets, and 2 green bracelets. She will randomly select one bracelet. What is the probability Kylie will select a pink bracelet?

• 1/5

• 3/7

• 2/5

• 3/10

Tags

CCSS.7.SP.C.7B

Trish flipped three coins during a probability experiment. The outcomes of the first 30 trials are shown below.

3 tails = 5

1 head, 2 tails = 12

2 heads, 1 tail = 9

3 heads = 4

Based on the data from the experiment, in how many of the next 150 trials will the outcome be exactly two of the coins showing tails?

• 30

• 60

• 120

• 80

Tags

CCSS.7.SP.C.6

In the scale used on a blueprint, 1/2 inch represents 8 feet. On the blueprint what is the length of a room with an actual length 20 feet?

• 2 inches

• 1 1/4 inches

• 2 1/2 inches

• 16 inches

Tags

CCSS.6.RP.A.3B

Triangle ABC is similar to triangle ADE.

What is the value of x?

• 10

• 6

• 12

• 4

Tags

CCSS.HSG.SRT.A.2

The tree diagram shows the sample space for the lunch options at a company picnic.

How many different options include milk?

• 9

• 12

• 2

• 6

Tags

CCSS.7.SP.C.8B

Shawn plans to walk 12 laps around a path at the local park. Each lap is 750 yards. So far Shawn has walked 3,600 yards around the path. What percentage of the walk has Shawn completed?

• 60%

• 40%

• 25%

• 10%

One of the aquariums at the zoo has 180 fish. Of these fish, 25% are bass, 40% are perch, and the rest are catfish. How many fish in the aquarium are catfish?

• 63

• 35

• 72

• 28

Tags

CCSS.6.RP.A.3C

The graph shows the rate at which water is leaking from a tank. Based on the graph, which statement is true?

• y = 0.5x

• In 3 minutes, 4 gallons of water will have leaked from the tank.

• In 12 minutes, 9 gallons of water will have leaked from the tank.

• y = 1.75x

Tags

CCSS.HSF.LE.B.5