Mathematics Flashcards
7 cards from real CAASPP 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
Which of the following is the prime factorization of 60?
Answer: 2² × 3 × 5
60 = 4 × 15 = 2² × 3 × 5, which are all prime factors.
A triangle has angles measuring 45° and 75°. What is the measure of the third angle?
Answer: 60°
The sum of angles in a triangle is 180°, so 180 − 45 − 75 = 60°.
If y = 2x − 3 and x = 5, what is the value of y?
Answer: 7
Substitute x = 5: y = 2(5) − 3 = 10 − 3 = 7.
A car travels 240 miles in 4 hours. What is its average speed in miles per hour?
Answer: 60 mph
Speed = distance ÷ time = 240 ÷ 4 = 60 mph.
What is 15% of 80?
Answer: 12
15% of 80 = 0.15 × 80 = 12.
Which of the following sets of numbers is ordered from least to greatest?
Answer: −5, −2, 0, 3
On a number line, −5 < −2 < 0 < 3, so −5, −2, 0, 3 is correct.
A cylinder has a radius of 3 inches and a height of 10 inches. Using π ≈ 3.14, what is the approximate volume?
Answer: 282.6 in³
V = πr²h = 3.14 × 9 × 10 = 282.6 in³.