Real numbers

Can natural numbers be negative? 

• no 
• yes 

Can integers be positive?

• yes 
• no 

Irrational has square root?

• yes
• no 

Which one is a real number?

• 1
• 12.38 
• -0.8625 
• All of above 

Which one is a whole number?

• .009 
• 500
• 5/9
• 3.75

Which one is a rational numbers?

• 3.14 
• 1.76 
• -5
• 1/4

Is 0 a whole number?

• yes 
• no

Is -55 a natural number?

• yes
• no 

π = 3.1415926535

• irrational 
• rational 
• real number 
• all of above 

0 1 2 3 4 5 6 

• natural
• whole 
• irrational
• a and b