CBEST Math 3

Question 1

A bag contains 4 red marbles, 3 blue marbles, and 5 green marbles. What is the probability of randomly picking a blue marble?

Accepted Answer

3/12

Answer

There are 3 blue marbles out of 12 total: 3/12 = 1/4.

Question 2

Simplify: 4² + 3 × 5 − 2

Accepted Answer

29

Answer

4² = 16; 3 × 5 = 15; 16 + 15 − 2 = 29.

Question 3

A triangle has a base of 10 inches and a height of 6 inches. What is its area?

Accepted Answer

30 in²

Answer

Area of a triangle = ½ × base × height = ½ × 10 × 6 = 30 in².

Question 4

Which fraction is largest?

Accepted Answer

2/3

Answer

Converting to decimals: 2/3 ≈ 0.667, which is greater than 3/5 = 0.6, 5/8 = 0.625, and 7/12 ≈ 0.583.

Question 5

A worker earns $18 per hour and works 35 hours per week. What are the worker's weekly earnings?

Accepted Answer

$630

Answer

18 × 35 = $630.

CBEST - California Basic Educational Skills Test Practice Test