Classification of Numbers

Real Numbers are classified into 2 categories, what are they?

• Fractions and decimals

• Positive and Negative Numbers

• Rational and Irrational Numbers

• Whole Numbers and Integers

Which of the following real numbers are integers?

• -3000

• 2.5

• 234

• 8/4

A never ending, no repeating decimal is a(n) (a)  

Which of the following real numbers are irrational?

•  $\sqrt{25}$  

•  $\pi$  

•  $\sqrt{7}$  

•  $\sqrt{36}$  

Which of the following real numbers are rational numbers?

•  $\pi$  

•  $\frac{1}{4}$  

•  $-7$  

•  $100$  

Which of the following real numbers are whole numbers?

• $-10$

• $2.5$

• $200$

• $\sqrt{100}$

Are all whole numbers integers?

• yes

• no

Which of the following numbers are natural numbers?

• $-3$

• $0$

• $5$

• $20$

Zero (0) is a:

• Rational Number

• Irrational Number

• Natural Number

• Integer

• Whole Number

An integer is always a whole number.

• True

• False