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
A store sells pens at 3 for $1.50. How much do 10 pens cost?
Answer: $5.00
Each pen costs $0.50, so 10 pens cost 10 × $0.50 = $5.00.
What is 40% written as a fraction in lowest terms?
Answer: 2/5
40% = 40/100 = 2/5 after dividing by the GCF of 20.
Which expression represents 'six less than twice a number n'?
Answer: 2n − 6
'Twice a number' is 2n, and 'six less than' means subtract 6, giving 2n − 6.
What is the square root of 144?
Answer: 12
√144 = 12 because 12 × 12 = 144.
If a car travels 180 miles in 3 hours, what is its average speed?
Answer: 60 mph
Speed = distance ÷ time = 180 ÷ 3 = 60 mph.
What is the value of 5! (5 factorial)?
Answer: 120
5! = 5 × 4 × 3 × 2 × 1 = 120.