West B Test Math: Number Sense and Operations 3

Question 1

What is the absolute value of -17?

Accepted Answer

17

Answer

Absolute value measures distance from zero on a number line, so |-17| = 17.

Question 2

A recipe calls for 2½ cups of flour. If you want to make 3 batches, how many cups do you need?

Accepted Answer

7½ cups

Answer

2½ × 3 = 5/2 × 3 = 15/2 = 7½ cups.

Question 3

Which number is divisible by both 4 and 6?

Accepted Answer

24

Answer

24 ÷ 4 = 6 and 24 ÷ 6 = 4, so 24 is divisible by both.

Question 4

What is the prime factorization of 60?

Accepted Answer

2² × 3 × 5

Answer

60 = 2 × 2 × 3 × 5 = 2² × 3 × 5.

Question 5

A student scored 84, 91, 76, and 89 on four tests. What is the mean score?

Accepted Answer

85

Answer

(84 + 91 + 76 + 89) ÷ 4 = 340 ÷ 4 = 85.

West B Test Practice Test