Number Systems

Which of the following classification(s) apply to the number -2?

Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

Which of the following classification(s) apply to the number 42?

Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

Which of the following classification(s) apply to the number 3.14?

Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

Which of the following classification(s) apply to the number $\pi$ ? 
Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

Which of the following classification(s) apply to the number $\sqrt{3}$ ? 
Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

Which of the following classification(s) apply to the number  $\frac{4}{7}$  ? 
Select all that apply.

• Integer

• Natural number

• Rational

• Irrational

• Real

A rational number is also a real number

• Always

• Never

• Sometimes

A rational number is also an integer

• Always

• Never

• Sometimes

An integer is also a natural number

• Always

• Never

• Sometimes

The set of all whole numbers whether positive, negative or zero.

• Natural numbers

• Integers

• Rational numbers

• Irrational numbers

• Real numbers