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Core Plus (Math Version Flashcards

6 cards from real PARAPRO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Core Plus (Math Version flashcards as text
  1. What is the value of √144?

    Answer: 12

    √144 = 12, because 12 × 12 = 144. Square roots ask: what number multiplied by itself equals the given number?

  2. A student is asked to calculate the perimeter of a rectangle with a length of 9 cm and a width of 5 cm. What is the correct answer?

    Answer: 28 cm

    Perimeter of a rectangle = 2(length + width) = 2(9 + 5) = 2(14) = 28 cm.

  3. If a shirt originally costs $45 and is on sale for 20% off, what is the sale price?

    Answer: $36.00

    20% of $45 = $9 (the discount). Sale price = $45 - $9 = $36.00.

  4. A car travels at a constant speed of 60 miles per hour. How far does it travel in 2.5 hours?

    Answer: 150 miles

    Distance = rate × time = 60 × 2.5 = 150 miles.

  5. A bag contains 4 red marbles, 3 blue marbles, and 5 green marbles. If one marble is drawn at random, what is the probability it is blue?

    Answer: 3/12 = 1/4

    Total marbles = 4 + 3 + 5 = 12. Probability of blue = 3/12 = 1/4.

  6. Which of the following numbers is a prime number?

    Answer: 37

    37 is prime — its only factors are 1 and 37. 15 = 3×5, 21 = 3×7, and 49 = 7×7.