CHSPE Mathematics - Number Sense 2 — Questions and Answers
Question 1: A recipe calls for 2/3 cup of sugar. If you triple the recipe, how much sugar do you need?
- 1 cup
- 2 cups (Correct answer)
- 1 2/3 cups
- 2 1/3 cups
Correct answer: 2 cups
2/3 × 3 = 6/3 = 2 cups.
Question 2: What is the value of |−15| + |7|?
- −8
- 8
- 22 (Correct answer)
- −22
Correct answer: 22
Absolute value makes each number positive: 15 + 7 = 22.
Question 3: A car travels 300 miles on 12 gallons of gas. What is the car's fuel efficiency in miles per gallon?
- 20 mpg
- 25 mpg (Correct answer)
- 30 mpg
- 15 mpg
Correct answer: 25 mpg
300 ÷ 12 = 25 miles per gallon.
Question 4: What is the prime factorization of 60?
- 2 × 30
- 2² × 3 × 5 (Correct answer)
- 2 × 3 × 10
- 4 × 15
Correct answer: 2² × 3 × 5
60 = 2 × 2 × 3 × 5 = 2² × 3 × 5, where all factors are prime.
Question 5: Which number is divisible by both 3 and 8?
- 48 (Correct answer)
- 36
- 40
- 56
Correct answer: 48
48 ÷ 3 = 16 and 48 ÷ 8 = 6, so 48 is divisible by both.
Question 6: If a price increases from $50 to $65, what is the percent increase?
- 15%
- 20%
- 25%
- 30% (Correct answer)
Correct answer: 30%
Percent increase = (15/50) × 100 = 30%.
CHSPE Mathematics - Number Sense 2
A recipe calls for 2/3 cup of sugar.
If you triple the recipe, how much sugar do you need?