7th Grade Final Exam Review

A nutritionist wants to know how the taste of artificial sweeteners impacts food choices of diabetic patients. From which group would it be best to take a sample?

• all patients

• both type 1 and type 2 diabetic patients

• patients who do not eat any artificial sweeteners

• patients who eat mostly artificially sweetened foods

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Biologists are studying tropical plants to determine how far north each type of plant can survive. What is the population?

• biologists

• tropical plants

• biologists participating in the research

• the tropical plants that were moved farther north

When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music. Using proportional reasoning, about how many of the 180 seventh-grade students in his school like reggae?

• About 12 seventh-grade students like reggae music.

• About 36 seventh-grade students like reggae music.

• About 60 seventh-grade students like reggae music.

• About 108 seventh-grade students like reggae music.

Tags

CCSS.7.RP.A.3

Melanie asked 15 random seventh-grade students how many soccer games they attended this school year. The number of games attended by each student is listed below.

2, 3, 6, 4, 7, 0, 4, 5, 0, 1, 2, 3, 2, 1, 4

What is the ratio of the total number of surveyed students who attended soccer games to the total number of students surveyed?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Two months ago, the mean daily rainfall in a local city was 9.4 cm. The mean absolute deviation was 3.5 cm. Last month, the mean daily rainfall in that city was 11.5 cm, and the mean absolute deviation was 1.6 cm. Which statement about the rainfall is true?

• More rain fell two months ago than last month.

• About the same amount of rain fell two months ago as last month.

• Last month, the amount of rain that fell each day varied about the same as the month before.

• Last month, the amount of rain that fell each day varied less than the month before.

Tags

CCSS.6.SP.B.5C

The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are shown on the table. Which expression compares the difference of the two means to this week’s mean absolute deviation?

Tags

CCSS.7.SP.B.3

• Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.

• Both expressions equal 6 when substituting 2 for x because the expressions are equivalent.

• One expression equals 5 when substituting 2 for x, and the other equals 2 because the expressions are not equivalent.

• One expression equals 6 when substituting 2 for x, and the other equals 2 because the expressions are not equivalent.

Tags

CCSS.6.EE.A.4

• –3 and 1; 4x and –3

• –3 and 1; 4x and 7x

• 4x and 1; 7x and –3

• 4x and –3; 1 and 7x

Tags

CCSS.6.EE.A.2B

• x-4

• x-2

• x+2

• x+4

Tags

CCSS.HSA.APR.A.1

Which expression is equivalent to (18x + 9k) + (2x + 6k) ?

• 16x + 3k

• 20x + 15k

• 20x + 16k

• 36x + 54k

Tags

CCSS.7.EE.A.1