CHSPE Number Sense and Operations

Question 1

What is 3/4 + 5/6?

Accepted Answer

19/12

Answer

Finding a common denominator of 12: 9/12 + 10/12 = 19/12.

Question 2

Which of the following is equivalent to 0.375?

Accepted Answer

3/8

Answer

0.375 = 375/1000 = 3/8 when reduced to lowest terms.

Question 3

What is 15% of 80?

Accepted Answer

12

Answer

15% of 80 = 0.15 × 80 = 12.

Question 4

If a recipe calls for 2 cups of flour for every 3 cups of sugar, how many cups of flour are needed for 9 cups of sugar?

Accepted Answer

6

Answer

Set up the proportion 2/3 = x/9; solving gives x = 6.

Question 5

What is the value of 3 + 4 × 2 − 1?

Accepted Answer

10

Answer

Following order of operations, multiply first: 4 × 2 = 8, then 3 + 8 − 1 = 10.

California High School Proficiency Exam Practice Test