MCAS 1998, 8th Grade Math, Questions 5 to 8

Question #5

According to the 1990 census, the population of Massachusetts was 6,016,425. Approximately what percent of those people lived in Boston?

A. 10%

B. 20%

C. 30%

D. 40%

Question #6

Which of the following must be true of any number that is evenly divisible by 6?

I. It is divisible by 3.
II. It is an even number.
III. Its units digit is 6.
IV. The sum of its digits is 6.

A. I and IV

B. I and II

C. II and III

D. II and IV

Question #7

In the scattergram, each dot represents one student who participated in the 50-meter race. Vicki won the race. According to the scattergram, how old is Vicki?

A. 10 years old

B. 13 years old

C. 14 years old

D. 15 years old

Question #8

Joelyn has decided to save $12 a week to buy a stereo system costing $125. Which expression shows how much she will still have to save after nweeks?

A. 125 + 12n

B. 125 — 12n

C. (125 + 12)n

D. (125 — 12)n

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