Math Flashcards
7 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 7 Math flashcards as text
A classroom has 24 students. If 3/8 of the students are in the reading group, how many students are NOT in the reading group?
Answer: 15
3/8 of 24 = 9 students in the reading group, so 24 − 9 = 15 are not.
A number line shows points at −3, 0, and 4. What is the distance between the points at −3 and 4?
Answer: 7
Distance = 4 − (−3) = 4 + 3 = 7.
Which expression is equivalent to 5(3 + 2)?
Answer: 5 × 3 + 5 × 2
By the distributive property, 5(3 + 2) = 5 × 3 + 5 × 2 = 15 + 10 = 25.
A student scores 82, 76, 90, and 88 on four tests. What is the student's average (mean) score?
Answer: 85
(82 + 76 + 90 + 88) ÷ 4 = 336 ÷ 4 = 84.
Which of the following is a prime number?
Answer: 37
37 has no factors other than 1 and itself; the others are divisible by 3 or 7.
A rectangle has a length of 12 cm and a width of 7 cm. What is its perimeter?
Answer: 38 cm
Perimeter = 2(length + width) = 2(12 + 7) = 2(19) = 38 cm.
If x − 9 = 15, what is the value of x?
Answer: 24
Add 9 to both sides: x = 15 + 9 = 24.