Reviewed by Janaisa Harris
Janaisa Harris, BA-Mathematics |
Mathematics Expert
Review Board Member
Ms. Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher. She is now broadening her educational impact by engaging in curriculum mapping for her county. This endeavor enriches her understanding of educational strategies and their implementation. With a strong commitment to quality education, she actively participates in the review process of educational quizzes, ensuring accuracy and relevance to the curriculum.
, BA-Mathematics
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Katquiz
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Quizzes Created: 1 | Total Attempts: 196,632
Questions: 8 | Viewed: 196,744

1.

### What will be the answer to (5 x 5 - 3 + 2 - 5)?

Explanation:
The answer to the expression (5 x 5 - 3 + 2 - 5) can be calculated step-by-step as follows:

1. Calculate (5 x 5) which is (25).
2. Then subtract (3) from (25), resulting in (22).
3. Add (2) to (22), resulting in (24).
4. Finally, subtract (5) from (24), resulting in (19).

2.

### πr2 is the formula for

Answer: The area of a circle
Explanation:
The formula πr2 represents the area of a circle. The symbol π represents the mathematical constant pi, which is approximately equal to 3.14159. The radius of the circle is denoted by r, and squaring it (r2) gives the area of the circle. Therefore, the correct answer is "The area of a circle."
3.

4.

### What is a prime number?

Answer: A number with only factors 1 and itself
Explanation:
A prime number is a number that can only be divided by 1 and itself without leaving a remainder. It does not have any other factors. For example, 2, 3, 5, 7, and 11 are prime numbers because they can only be divided by 1 and themselves. Any number with more than 2 factors, such as 4 (1, 2, and 4), is not a prime number.
5.

### What is the percent of 3/5?

Explanation:
The percent of 3/5 can be found by dividing 3 by 5 and then multiplying the result by 100. This gives us (3/5) * 100 = 300/5 = 60. Therefore, the correct answer is 60%
6.

### What is 152/4?

Explanation:
The correct answer is 38 because when we divide 152 by 4, we get 38.
7.

### Solve: 35 - 12 x 5 =

Explanation:
To solve this equation, we need to follow the order of operations (PEMDAS/BODMAS). First, we multiply 12 by 5 which equals 60. Then, we subtract 35 from 60, resulting in -25. Therefore, the correct answer is -25.
8.

### Solve: 42 + 12/4 =

Explanation:
42 + 12/4
First, perform the division:
12/4 = 3
Now, substitute this result back into the expression:
42 + 3