Grade 8 | Unit 6: Associations in Data | Check Your Readiness (A)

• Positive

• Negative

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8.F.B.4

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8.F.B.4

Diego has some money in his bank account before he starts a summer job. He deposits the money from the summer job in his bank account and doesn’t spend any of it. After working 3 hours, he has $71 in the account. After working 12 hours, he has $134 in the account. How much money does Diego earn per hour?

• $5 per hour

• $6 per hour

• $7 per hour

• $8 per hour

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6.RP.A.3.b

Here is a graph showing the balance in someone's savings account since the beginning of the year. Write an equation for the line shown on the graph. What does the slope mean in the situation? What does the vertical intercept mean in the situation?

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8.EE.B.6

8.F.B.4

In many schools, students have the choice between taking art, music, or some other elective. At Euclid Middle School, there are 200 students in the 8th grade. 40 students are taking art. What percentage of 8th graders at Euclid Middle School are taking art? Explain or show your reasoning.

• 20%

• 25%

• 30%

• 40%

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6.RP.A.3.c

At Newton Middle School, there are 320 students in the 8th grade. 54 are taking music. What percentage of 8th graders at Newton Middle School are taking music? Explain or show your reasoning.

• 16.875%

• 17%

• 18%

• 19%

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6.RP.A.3.c

Students voted for their favorite entry in a Halloween costume contest. Jada recorded the results in a bar graph. Who got more votes: the angel or the zombie? How many votes did the vampire get? Who won the contest?

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2.MD.D.10

Students at Elena’s school were polled about the animal they would most like to have as a pet. Make a bar graph that displays this information.

Animal	Votes
Bird	22
Cat	45
Dog	55
Fish	37
Rabbit	15

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3.MD.B.3