NCDAP Arithmetic 2

Question 1

A store sells apples for $1.25 each. How much do 8 apples cost?

Accepted Answer

$10.00

Answer

8 × $1.25 = $10.00.

Question 2

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 3

Simplify the fraction 18/24.

Accepted Answer

3/4

Answer

Dividing numerator and denominator by their GCF of 6 gives 3/4.

Question 4

A tank holds 120 gallons. It is 3/8 full. How many gallons are in the tank?

Accepted Answer

45 gallons

Answer

120 × (3/8) = 360/8 = 45 gallons.

Question 5

What is 0.375 expressed as a fraction in lowest terms?

Accepted Answer

3/8

Answer

0.375 = 375/1000, which reduces to 3/8.

(NCDAP) North Carolina Diagnostic Placement Test Practice Test