Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Sets
| Term | Definition |
|---|---|
| Sets | A group of things that have a certain property in common e.g. even numbers 2 4 6 8 10 |
| An element | The numbers or objects in a set are called the elements |
| Cardinal Number # | This is the number of numbers within a set. For example Set A has 5 numbers{1,2,3,4,5} and Set B has 3 numbers {2,4,6} |
| Prime Number | This is any number that can be divided by itself and 1 only. Example {2, 3, 5, ...} |
| Null Set | This is a set that has no elements. It is given the symbol {} |
| Subset | When given two sets A and B. If all of the elements of B are also in A, then B is said to be a subset of A. Example Set A {1,2,3,4,5,6,7} and Set B {1,2,3,4,5}; B is a subset of A. |
| Union of two sets | The set of elements contained in both sets |
| Intersection of two sets | The set of elements common to both sets |
| Universal Set | The set that contains all elements |
| Complement of Set A | List all of the elements of the universal set except set A. In other words, all of the elements outside Set A. |
| A\B | This is the set of elements in A but not in B. In other words list A without B. |
Created by:
Clare Mahon
Popular Math sets