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Mathematics Flashcards

7 cards from real PARCC 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

  1. What is the value of the expression 3(2x - 4) + 5 when x = 3?

    Answer: 11

    3(2·3 - 4) + 5 = 3(2) + 5 = 6 + 5 = 11.

  2. A rectangle has a length of 12 cm and a width of 5 cm. What is its area?

    Answer: 60 cm²

    Area = length × width = 12 × 5 = 60 cm².

  3. Which fraction is equivalent to 0.75?

    Answer: 3/4

    0.75 = 75/100 = 3/4.

  4. Solve for x: 4x - 7 = 21.

    Answer: 7

    4x = 28, so x = 7.

  5. What is the slope of the line passing through points (1, 2) and (4, 11)?

    Answer: 3

    Slope = (11 - 2)/(4 - 1) = 9/3 = 3.

  6. A bag has 4 red, 3 blue, and 5 green marbles. What is the probability of drawing a blue marble?

    Answer: 1/4

    There are 12 marbles total and 3 blue, so 3/12 = 1/4.

  7. What is 15% of 200?

    Answer: 30

    0.15 × 200 = 30.