What's a Venn Diagram, and How Do You Find the Intersection and Union of a Set?

Time for statistics and learning to overlap! Learners examine Venn Diagrams as a means to organize data. They then use the diagrams to calculate simple and compound probabilities.

Is there a difference between the union of sets and the intersection of sets? The teacher uses a Venn diagram to illustrate how to determine what makes a union and what makes an intersection of sets.

Is there a difference between the union of sets and the intersection of sets? The teacher uses a Venn diagram to illustrate how to determine what makes a union and what makes an intersection of sets.

This Oswego City School District site gives an explanation of Venn diagrams, then uses a word problem to show how Venn diagrams can be applied to solve algebraic equations.

When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...

For this online sets and Venn Diagrams worksheet, students complete five Venn Diagrams involving whole numbers and twenty five questions. Students check their answers as they go.

A straightforward illustration of a Venn diagram. Intersection is what the sets have in common, and the union is all the elements of the sets. The diagram certainly helps you see what this means.

Imagine you have money you want to save ... where do you put it?  Pupils investigate the similarities and differences of banks and credit unions as they determine where exactly to place their hard-earned money. Through a WebQuest, they...

Review for your SAT by brushing up on Venn diagrams. Watch this video on how to find the union and intersection of sets. [1:58]

Do people ride, slide, or do both? Pupils use an interactive Venn diagram for the numbers of people owning bicycles, owning skateboards, or both. An interactive provides questions for them to answer using the diagram.