NeSA Mathematics 3

Question 1

Which fraction is greater than 1/2?

Accepted Answer

5/8

Answer

5/8 = 0.625, which is greater than 0.5 (1/2); the others are all less than 0.5.

Question 2

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of picking a blue marble?

Accepted Answer

3/10

Answer

Probability = favorable outcomes / total outcomes = 3 / (5+3+2) = 3/10.

Question 3

What is the perimeter of a square with a side length of 7 inches?

Accepted Answer

28 inches

Answer

Perimeter of a square = 4 × side = 4 × 7 = 28 inches.

Question 4

Which of the following numbers is prime?

Accepted Answer

17

Answer

17 is prime because its only factors are 1 and itself; the others are divisible by 3 or 7.

Question 5

Evaluate: 6² − (3 + 1) × 2

Accepted Answer

28

Answer

Following order of operations: 6² = 36, (3+1) = 4, 4 × 2 = 8, and 36 − 8 = 28.

NeSA - Nebraska State Accountability Practice Test