MCAS 2002, 6th Grade Math, Questions 17 to 20

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Question #17 (Open-Response Question)

A group of students measured their heights for a class project. The results are shown in the table below.

a. What is the mode of the students’ heights?

b. Copy the stem-and-leaf plot below into your Student Answer Booklet. Correctly complete the stem-and-leaf plot by entering the remaining heights. Victor’s height is already shown.

c. What is the median height of the students? Show or explain your work.

d. Later, two more students joined the group; their heights were added to the table. This did not change the median height of all nine students. What must have been correct about the heights of these two students? Show or explain your work.

Question #18

Lily designed the kite below for an experiment.

Which of the following correctly describes the shape of Lily’s kite?

A. triangle

B. rectangle

C. parallelogram

D. quadrilateral

Question #19

Use the table below to answer question 19.

According to the pattern shown, what is the value of y when x is 12?

A. 55

B. 60

C. 75

D. 100

Question #20

Han surveyed 15 of her classmates to find their shoe sizes. She displayed the data in the line plot below.

What is the median shoe size?

A. 5

B. 6

C. 7

D. 10

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