Classifying Real Numbers

The natural numbers are also called counting numbers.

• True

• False

Integers include all whole numbers and the negative natural numbers.

• True

• False

Tags

CCSS.6.NS.C.6A

Classify the number by checking all that apply!

-6.75

(Hint: every number shown is a REAL number!)

• Natural

• Whole

• Integer

• Rational

• Irrational

Classify the numbers by checking all that apply!

 $\sqrt{175}$  

• Natural

• Whole

• Integer

• Rational

• Irrational

Classify the number by checking all that apply!

 $5\pi$  
(Anything with  $\pi$  is irrational)

• Natural

• Whole

• Integer

• Rational

• Irrational

Classify this number:  6.7

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole

Classify this number:  2

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole

Classify this number:  √10

• real
• real      rational
• real       irrational
• real         rational        integer

Classify this number:  -12

• real
• real      rational
• real       irrational
• real         rational        integer

-4 is not a whole number because:

• It's negative and whole numbers are positive.
• it's irrational.
• it cannot be turned into a fraction.
• it is even.