Mathematics Flashcards
7 cards from real CBEST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Mathematics flashcards as text
A car travels 240 miles in 4 hours. At the same rate, how far will it travel in 7 hours?
Answer: 420 miles
The rate is 240 ÷ 4 = 60 mph, so 60 × 7 = 420 miles.
Which of the following is equivalent to 3/8 as a decimal?
Answer: 0.375
3 ÷ 8 = 0.375.
A rectangle has a length of 12 cm and a width of 7 cm. What is its perimeter?
Answer: 38 cm
Perimeter = 2(l + w) = 2(12 + 7) = 2(19) = 38 cm.
If 5x − 3 = 22, what is the value of x?
Answer: 5
5x = 25, so x = 5.
A store sells 3 notebooks for $4.50. How much do 8 notebooks cost?
Answer: $12.00
Each notebook costs $1.50, so 8 × $1.50 = $12.00.
What is 15% of 80?
Answer: 12
15% of 80 = 0.15 × 80 = 12.
Which number is a prime number?
Answer: 41
41 has no factors other than 1 and itself, making it prime.