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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

  1. 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.

  2. If y = 3x² and x = −2, what is y?

    Answer: 12

    y = 3(−2)² = 3(4) = 12; squaring a negative gives a positive.

  3. 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.

  4. 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.

  5. 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.

  6. 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).

  7. 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.