Numerical Skills and Pre-Algebra Flashcards

6 cards from real COMPASS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Numerical Skills and Pre-Algebra flashcards as text

What is the value of 2³ × 3²?
Answer: 72
2³ = 8 and 3² = 9, so 8 × 9 = 72.
Which number is a prime number?
Answer: 29
29 is prime because it has no factors other than 1 and itself.
What is the median of the set: {3, 7, 9, 11, 15}?
Answer: 9
The median is the middle value of an ordered set; the middle of 5 values is the 3rd, which is 9.
Evaluate: −4 + (−6) − (−3)
Answer: −7
−4 + (−6) − (−3) = −4 − 6 + 3 = −7.
What is 2/5 of 75?
Answer: 30
2/5 × 75 = 150/5 = 30.
Simplify: 18/24
Answer: 3/4
The GCF of 18 and 24 is 6, so 18/24 = 3/4.