MCAS MCAS Mathematics 1 — Questions and Answers
Question 1: What is the value of 3² + 4²?
- 14
- 25 (Correct answer)
- 49
- 7
Correct answer: 25
3² = 9 and 4² = 16; adding them gives 25, which is also 5².
Question 2: A rectangle has a length of 12 cm and a width of 5 cm. What is its area?
- 34 cm²
- 60 cm² (Correct answer)
- 17 cm²
- 120 cm²
Correct answer: 60 cm²
Area of a rectangle = length × width = 12 × 5 = 60 cm².
Question 3: Which of the following is an example of a prime number?
- 9
- 15
- 17 (Correct answer)
- 21
Correct answer: 17
17 is a prime number because it has only two factors: 1 and itself.
Question 4: Solve for x: 3x + 7 = 22
- x = 3
- x = 5 (Correct answer)
- x = 7
- x = 9
Correct answer: x = 5
Subtracting 7 from both sides gives 3x = 15, and dividing by 3 gives x = 5.
Question 5: What is 25% of 80?
- 16
- 20 (Correct answer)
- 25
- 40
Correct answer: 20
25% of 80 = 0.25 × 80 = 20.
Question 6: What is the median of the data set: 3, 7, 9, 12, 15?
- 7
- 9 (Correct answer)
- 10.8
- 12
Correct answer: 9
The median is the middle value in an ordered set; with 5 values, the middle (3rd) value is 9.
What is the value of 3² + 4²?