COMPASS Numerical Skills and Pre-Algebra 2

Question 1

What is the value of 2³ × 3²?

Accepted Answer

72

Answer

2³ = 8 and 3² = 9, so 8 × 9 = 72.

Question 2

Which number is a prime number?

Accepted Answer

29

Answer

29 is prime because it has no factors other than 1 and itself.

Question 3

What is the median of the set: {3, 7, 9, 11, 15}?

Accepted Answer

9

Answer

The median is the middle value of an ordered set; the middle of 5 values is the 3rd, which is 9.

Question 4

Evaluate: −4 + (−6) − (−3)

Accepted Answer

−7

Answer

−4 + (−6) − (−3) = −4 − 6 + 3 = −7.

Question 5

What is 2/5 of 75?

Accepted Answer

30

Answer

2/5 × 75 = 150/5 = 30.

COMPASS Practice Test