West B Test Math: Number Sense and Operations 4 — Questions and Answers
Question 1: A jacket originally costs $80 and is on sale for 25% off. What is the sale price?
- $20
- $55
- $60 (Correct answer)
- $65
Correct answer: $60
25% of $80 = $20 discount; $80 − $20 = $60.
Question 2: Which of the following correctly compares the numbers: −5 ___ −3?
- >
- =
- < (Correct answer)
- ≥
Correct answer: <
On the number line, −5 is further left than −3, so −5 < −3.
Question 3: What is the result of (−6) × (−4)?
- -24
- -10
- 10
- 24 (Correct answer)
Correct answer: 24
The product of two negative numbers is positive: (−6) × (−4) = 24.
Question 4: Which fraction is in simplest form?
- 6/9
- 8/12
- 5/11 (Correct answer)
- 4/10
Correct answer: 5/11
5 and 11 share no common factors other than 1, so 5/11 is already in simplest form.
Question 5: What is 0.045 written as a percent?
- 0.045%
- 0.45%
- 4.5% (Correct answer)
- 45%
Correct answer: 4.5%
Multiply a decimal by 100 to convert to percent: 0.045 × 100 = 4.5%.
Question 6: Which of the following numbers is composite?
- 2
- 17
- 23
- 21 (Correct answer)
Correct answer: 21
21 = 3 × 7, so it has factors other than 1 and itself, making it composite.
Question 7: A car travels 150 miles in 2.5 hours. What is its average speed in miles per hour?
- 50 mph
- 55 mph
- 60 mph (Correct answer)
- 65 mph
Correct answer: 60 mph
Speed = distance ÷ time = 150 ÷ 2.5 = 60 mph.
West B Test Math: Number Sense and Operations 4
A jacket originally costs $80 and is on sale for 25% off.
What is the sale price?