The Real Number System

Which of the following is not a rational number?

•  $\sqrt{36}$  

•  $\sqrt{21}$  

•  $\frac{3}{4}$  

•  $3.125$  

What is the definition of an integer?

• The numbers you use to count

• The counting numbers and zero

• The whole numbers and their opposites

• Numbers that can be written as a ratio  $\frac{a}{b},$  
  where  $b\ne0.$  

Tags

CCSS.8.NS.A.1

Classify the following:

0.0769230769230769.....

• rational

• irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Zero can be classified as all of the following except....

• Whole

• Rational

• Integer

• Natural

What are all the errors in the diagram shown?