1.
Constructing numerical expressions has to do with?
Correct Answer
A. Numbers
Explanation
Constructing numerical expressions involves using numbers to create mathematical equations or statements. This process typically involves performing operations such as addition, subtraction, multiplication, or division with the given numbers. Alphabets and symbols may be used in mathematical expressions, but the core component is the numbers themselves. Therefore, the correct answer is "Numbers."
2.
Mathematics is a subject taught in ...?
Correct Answer
B. School
Explanation
Mathematics is a subject taught in school because it is a fundamental discipline that helps develop critical thinking, problem-solving skills, and logical reasoning abilities. It provides a foundation for various fields like science, engineering, economics, and technology. Schools are the primary institutions where students receive formal education, and mathematics is an essential part of the curriculum in order to equip students with the necessary mathematical skills and knowledge.
3.
Numerical expressions is a topic under....
Correct Answer
B. Mathematics
Explanation
Numerical expressions is a topic under Mathematics because it involves the use of numbers and mathematical operations to represent and solve problems. It focuses on understanding and manipulating numerical values and symbols to perform calculations and express relationships between quantities. This topic is not related to Music, Social Science, or Literature, as they do not typically involve numerical calculations and expressions.
4.
Constructing numeric expressions could also mean .....
Correct Answer
A. Writing algebraic expressions
Explanation
The term "constructing numeric expressions" refers to the process of creating mathematical expressions using numbers and mathematical operations. Writing algebraic expressions involves using variables, numbers, and mathematical operations to represent relationships and solve problems. Therefore, writing algebraic expressions is a valid interpretation of constructing numeric expressions.
5.
Which one of them is not a scientist?
Correct Answer
D. Nelson Mandela
Explanation
Nelson Mandela is not a scientist because he is primarily known as a political leader and activist, not for his contributions to scientific research or discovery. Mandela played a significant role in ending apartheid in South Africa and promoting equality and human rights, but his work was not in the field of science. On the other hand, Isaac Newton and Albert Einstein are renowned physicists who made groundbreaking contributions to the understanding of the physical world, and Bill Nye is a science educator and television host known as "The Science Guy."
6.
An algebraic expression is a mathematical expression that consists all excpet .....
Correct Answer
D. Decimals
Explanation
An algebraic expression is a mathematical expression that consists of variables, numbers, and operations. Decimals are not typically included in algebraic expressions as they are more commonly used in arithmetic calculations. Algebraic expressions are used to represent relationships between variables and perform operations such as addition, subtraction, multiplication, and division.
7.
...... is someone who uses an extensive knowledge of mathematics in his or her work, typically to solve mathematical problems.
Correct Answer
C. A mathematician
Explanation
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. They apply mathematical principles, theories, and techniques to analyze and solve complex problems in various fields such as physics, engineering, economics, and computer science. Their expertise in mathematics allows them to develop new mathematical theories, models, and algorithms that contribute to advancements and innovations in their respective fields.
8.
One of these people is a famous mathematician
Correct Answer
D. Pythagoras
Explanation
Pythagoras is the correct answer because he is widely known as a famous mathematician. He is famous for his contributions to geometry, particularly the Pythagorean theorem, which states that in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the other two sides. This theorem is fundamental in mathematics and has numerous applications in various fields. Therefore, Pythagoras stands out among the other individuals listed as he is renowned for his mathematical achievements.
9.
The first woman mathematician recorded by history was .....?
Correct Answer
D. Hypatia of Alexandria
Explanation
Hypatia of Alexandria is the correct answer because she is widely recognized as the first woman mathematician recorded by history. She was a renowned scholar and philosopher in ancient Alexandria, known for her contributions to mathematics, astronomy, and philosophy. Hypatia's work and teachings greatly influenced the development of mathematics and science during her time, making her an important figure in the history of mathematics.
10.
In .... in the United States, mathematicians were desired as teachers, calculating machine operators, mechanical engineers, accounting auditor bookkeepers, and actuary statisticians
Correct Answer
A. 1938
Explanation
During the time period of 1938 in the United States, there was a high demand for mathematicians in various professions such as teaching, operating calculating machines, mechanical engineering, accounting auditing, bookkeeping, and actuarial statistics.