CHSPE Mathematics - Number Sense 1

Question 1

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 2

Which of the following is an irrational number?

Accepted Answer

√2

Answer

√2 cannot be expressed as a fraction and its decimal never repeats or terminates, making it irrational.

Question 3

A store discounts a $80 jacket by 25%. What is the sale price?

Accepted Answer

$60

Answer

25% of $80 = $20 discount; $80 − $20 = $60.

Question 4

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

The smallest number divisible by both 4 and 6 is 12.

Question 5

Order these from least to greatest: 0.6, 3/5, 58%, 0.605

Accepted Answer

58%, 3/5, 0.6, 0.605

Answer

Converting all to decimals: 58%=0.58, 3/5=0.60, 0.6=0.60, 0.605; order is 0.58 < 0.60 = 0.60 < 0.605.

CHSPE - California High School Proficiency Examination Practice Test