Grade Seven: Sets

A well-defined collection of distinct objects or ideas.

• Set

• Venn Diagram

• Union

• Integer

The collection or elements can be listed within the

• < >

• ( )

• [ ]

• { }

The number of elements in a given set

• Elements

• Cardinality

• Universal

• Null

Complete set of objects under consideration

• Null

• Universal

• Cardinal

• Empty

Null set is a set that contains no elements. It can be represented by a Greek letter phi symbolized by

• $\phi$

• $\pi$

• $\cup$

• $\theta$

The symbol " $\cup$  " is used for 

• Difference

• Intersection

• Union

• Complement

What is the symbol used for intersection?

• '

• $\subset$

• $\cup$

• $\cap$

If A is a set, the __ of A is the set consisting all the elements not in A.

• Complement

• Difference

• Union

• Intersection

Venn diagrams were conceived in 1880 by ____.

• Richard Venn

• Ben Venn

• Rick Venn

• John Venn

True or False: A = {1,3,5,7,9,10} and B = {1,3,5,7,8}, then  $A\subseteq B$  

• True

• False