Middle Exam Math n Calculus

What are natural numbers?

• Natural numbers start from 0 and include all integers.

• Natural numbers include negative integers.

• Natural numbers are the set of positive integers starting from 1.

• Natural numbers are only the even integers.

Which of the following is a natural number: 0, 1, 2, 3?

• 1, 2, 3

• 4

• 5

• -1

Are whole numbers the same as natural numbers?

• Whole numbers start from 1 and go to infinity.

• No, whole numbers are not the same as natural numbers.

• Natural numbers are a subset of whole numbers.

• Whole numbers include negative numbers.

What is the first whole number?

• 2

• -1

• 0

• 1

Can negative numbers be considered integers?

• Yes, negative numbers can be considered integers.

• Negative numbers are not integers.

• Integers can only be whole numbers without fractions.

• Only positive numbers can be integers.

Which of the following is an integer: -3, 2, 0?

• -2.3

• 3.14

• -3, 2, 0

• 1.5

What is a rational number?

• A rational number is always an integer.

• A rational number is a number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

• A rational number is a number with an infinite decimal representation.

• A rational number is a number that cannot be expressed as a fraction.

Is 1/2 a rational number?

• No

• Only whole numbers are rational

• Yes

• 1/2 is an irrational number

Can a whole number be a rational number?

• Only fractions can be rational numbers.

• Whole numbers are always irrational numbers.

• No, whole numbers cannot be rational numbers.

• Yes, a whole number can be a rational number.

Give an example of a natural number that is also a whole number.

• -1

• 2.5

• 1

• 0