Sets And Venn Diagrams Lesson Notes
And remember to be careful interpreting wording.
Sets and venn diagrams lesson notes. Let s say that our universe contains the numbers 1 2 3 and 4 so u 1 2 3 4 let a be the set containing the numbers 1 and 2. The venn diagram makes the situation easy to visualise. The purpose of this module is to introduce language for talking about sets and some. The problem may give a venn diagram but if it doesn t one is often helpful for solving this kind of question.
Example 4 f s 6 f s 5 6 f s 5 6 9 f s 5 6 9 7 start with the intersection. The following examples should help you understand the notation terminology and concepts relating venn diagrams and set notation. 15 of the students study spanish. Sets and venn diagrams.
At the end of this lesson you will be able to. Notation for setting out calculations so that counting problems such as this can be sorted out. Venn diagrams and sets. In this lesson we will be looking at set operations and venn diagrams.
Sets and venn diagrams the intersection of two or more sets is all elements that are to the sets. These include hat shirt jacket pants and so on. Sets and venn diagrams sets. We simply list each element or member separated by a comma and then put some curly brackets around the whole thing.
11 of the students study french. You write sets inside curly brackets like this. 4 7 106 customer. Many real life problems can be described in terms of sets.
In summary venn diagrams can be helpful in problems with two overlapping sets. For example the items you wear is a set. Defining a union of sets a venn diagram is a graphic organizer representing among groups or sets. It then goes into finding probabilities for a two set venn including given questions before extending this to three set venns including ones.
The venn diagram is an important tool in solving these problems. A define and describe different sets. Methods 1 1 sets and venn diagrams there are 27 students in a class. Draw a venn diagram to show this information.
The union of two sets is all elements in either set or in sets. Therefore these problems can be solved using set theory. The venn diagram opposite displays the whole situation. It s good to sketch it on the scrap paper.
Venn diagrams set calculator introduction to groups sets index. There is a fairly simple notation for sets. 6 of the students study both french and spanish. Venn diagrams can be used to express the logical in the mathematical sense relationships between various sets.
A set is a collection of things. Preview and details files included 4 ppt 534 kb. It goes through set notation and includes a matching activity where students have to try and match the notation to the shaded diagram.