NM-MSSA Mathematics 3

Question 1

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

Multiples of 4: 4, 8, 12… Multiples of 6: 6, 12… The LCM is 12.

Question 2

A data set is: 8, 3, 5, 3, 7, 3, 9. What is the mode?

Accepted Answer

3

Answer

The mode is 3 because it appears three times, more than any other value.

Question 3

Which expression represents 'eight less than twice a number n'?

Accepted Answer

2n − 8

Answer

'Twice a number n' is 2n, and 'eight less than' that is 2n − 8.

Question 4

A jar contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly picking a blue marble?

Accepted Answer

3/10

Answer

There are 3 blue marbles out of 10 total, so the probability is 3/10.

Question 5

What is 15% of 200?

Accepted Answer

30

Answer

15% of 200 = 0.15 × 200 = 30.

(NM-MSSA) New Mexico Measures of Student Success and Achievement Practice Test