The Real Number System

Which statement is NOT true?

• Every rational number is a real number.
• Every counting number is a whole number.
• Every integer is a rational number.
• Every decimal number is an irrational number.

Classify the Number: -23

• Rational
• Real, rational, integer
• integer
• Real, irrational, whole

Classify 3

• Natural, Whole, Integer, Rational
• Whole, Rational
• Integer
• Rational

Classify the Number: 120

• Counting, whole, integers rational, real
• Irrational, real
• whole
• Whole, counting

How would 5/9 be classified?

• rational and real
• whole and integer
• only real
• only irrational

How would 0.333333 be classified?

• rational and real 
• real and whole
• only integer 
• only irrational

Which of the following statements is always true?

• All integers are whole numbers
• all rational numbers are integers
• some whole numbers are not rational numbers
• all whole numbers are integers

The set of rational numbers includes all the following except...

• -42
• 5/0
• 0
• 14.7

Which statement is true?

• Every rational number is an integer
• Every whole number is a counting number
• Every integer is a whole number
• Every whole number is a rational number

-14 could NOT be which type of number?

• Integer
• Real
• Rational
• Natural