This unit is about what sets are .It explains what a set is,forming sets,joining sets,empty sets and matching sets.


Meaning: A set is a collection of well defined members.

Sorting / identifying sets practically 

– Forming sets e.g.


Activity: 1. Name the sets drawn. 

Draw the sets given. 



Comparing sets

  • counting objects
  • comparing objects



1. How many members has set A?

Set A has 4 members.

2.How many members has set B?

Set B has 6 members.

3. Which set has more members?

Set B has more members.

4. Which set has less (fewer) members?

Set A has less (fewer) members than set B.



An empty set

– Meaning: An empty set is a set without members.

E.g. A set of lions in Greenhill Academy

  A set of boys with 4 heads each. Etc….

The concept of an empty set

Definition – An empty set is without members(elements)

Examples of an empty set:

A set of cups dancing

A set of girls with 5 legs

A set of tables walking

Drawing, adding and counting. E.g.A set of goats eating grass.________

  • Drawing, adding and counting. E.g.
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