OAR OAR Math Skills 3

Question 1

What is the median of the data set: 4, 7, 9, 2, 11, 6, 3?

Accepted Answer

6

Answer

Arranged in order: 2, 3, 4, 6, 7, 9, 11 — the middle value is 6.

Question 2

A store sells a jacket for $85 after applying a 15% discount. What was the original price?

Accepted Answer

$100.00

Answer

85 = 0.85 × original price, so original = 85 / 0.85 = $100.

Question 3

What is the slope of the line passing through points (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 − 3) / (6 − 2) = 8 / 4 = 2.

Question 4

Evaluate: 18 − 3 × (4 + 2) ÷ 6

Accepted Answer

15

Answer

Following order of operations: 3 × 6 = 18, 18 ÷ 6 = 3, then 18 − 3 = 15.

Question 5

A container holds 3.5 liters. How many 250 mL servings can it provide?

Accepted Answer

14

Answer

3.5 L = 3500 mL; 3500 ÷ 250 = 14 servings.

OAR Test Practice Test