CHSPE Number Sense and Operations 2

Question 1

A shirt originally costs $40 and is on sale for 25% off. What is the sale price?

Accepted Answer

$30

Answer

25% of $40 = $10 discount; $40 − $10 = $30 sale price.

Question 2

What is the value of 5²?

Accepted Answer

25

Answer

5² means 5 × 5 = 25.

Question 3

What is √144?

Accepted Answer

12

Answer

12 × 12 = 144, so √144 = 12.

Question 4

Which number has the greatest absolute value?

Accepted Answer

-15

Answer

|−15| = 15, which is greater than |12| = 12, |−8| = 8, and |10| = 10.

Question 5

What is 4.5 × 10³ written in standard notation?

Accepted Answer

4,500

Answer

4.5 × 10³ = 4.5 × 1,000 = 4,500.

California High School Proficiency Exam Practice Test