CHSPE Math Flashcards
7 cards from real CHSPE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 CHSPE Math flashcards as text
A bag contains 4 red marbles, 3 blue marbles, and 5 green marbles. What is the probability of randomly picking a blue marble?
Answer: 1/4
Total = 12 marbles; P(blue) = 3/12 = 1/4.
If y = 3x² and x = −2, what is y?
Answer: 12
y = 3(−2)² = 3(4) = 12; squaring a negative gives a positive.
What is the greatest common factor (GCF) of 36 and 48?
Answer: 12
Factors of 36: 1,2,3,4,6,9,12,18,36; Factors of 48: 1,2,3,4,6,8,12,16,24,48; GCF = 12.
A circle has a radius of 5 cm. What is its circumference? (Use π ≈ 3.14)
Answer: 31.40 cm
C = 2πr = 2 × 3.14 × 5 = 31.40 cm.
Which property is illustrated by: 5(3 + 7) = 5(3) + 5(7)?
Answer: Distributive property
Multiplying a number by a sum equals multiplying each addend separately — this is the distributive property.
A line segment goes from point (1, 2) to point (5, 8). What is the midpoint?
Answer: (3, 5)
Midpoint = ((1+5)/2, (2+8)/2) = (3, 5).
A worker earns $12.50 per hour and works 38 hours in a week. What are the total earnings?
Answer: $475.00
12.50 × 38 = $475.00.