PAPA PAPA Number Sense & Operations 3

Question 1

What is the value of |−15| + |−8|?

Accepted Answer

23

Answer

The absolute value of −15 is 15 and of −8 is 8; 15 + 8 = 23.

Question 2

Maria earns $12.50 per hour. She works 35 hours per week. What are her weekly earnings?

Accepted Answer

$437.50

Answer

$12.50 × 35 = $437.50.

Question 3

What is the result of (−4) × (−7)?

Accepted Answer

28

Answer

The product of two negative numbers is always positive: (−4)(−7) = 28.

Question 4

A population increases by 8% each year. If the current population is 25,000, what will it be after one year?

Accepted Answer

27,000

Answer

8% of 25,000 is 2,000; 25,000 + 2,000 = 27,000.

Question 5

Which of the following fractions is in its simplest form?

Accepted Answer

7/11

Answer

7 and 11 share no common factors other than 1, so 7/11 is already fully simplified.

(PAPA) Pre-service Academic Performance Assessment Practice Test