CHSPE Number Sense and Operations 2 — Questions and Answers
Question 1: A shirt originally costs $40 and is on sale for 25% off. What is the sale price?
- $10
- $25
- $30 (Correct answer)
- $35
Correct answer: $30
25% of $40 = $10 discount; $40 − $10 = $30 sale price.
Question 2: What is the value of 5²?
- 10
- 15
- 20
- 25 (Correct answer)
Correct answer: 25
5² means 5 × 5 = 25.
Question 3: What is √144?
- 11
- 12 (Correct answer)
- 13
- 14
Correct answer: 12
12 × 12 = 144, so √144 = 12.
Question 4: Which number has the greatest absolute value?
- -15 (Correct answer)
- 12
- -8
- 10
Correct answer: -15
|−15| = 15, which is greater than |12| = 12, |−8| = 8, and |10| = 10.
Question 5: What is 4.5 × 10³ written in standard notation?
- 45
- 450
- 4,500 (Correct answer)
- 45,000
Correct answer: 4,500
4.5 × 10³ = 4.5 × 1,000 = 4,500.
Question 6: A store raises a price from $50 to $65. What is the percent increase?
- 15%
- 25%
- 30% (Correct answer)
- 35%
Correct answer: 30%
Percent increase = (change ÷ original) × 100 = (15 ÷ 50) × 100 = 30%.
Question 7: Which fraction is equivalent to 0.6?
- 1/6
- 3/5 (Correct answer)
- 2/3
- 6/100
Correct answer: 3/5
0.6 = 6/10 = 3/5 when reduced to lowest terms.
CHSPE Number Sense and Operations 2
A shirt originally costs $40 and is on sale for 25% off.
What is the sale price?