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
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?
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.
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.
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.
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.
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.