Understanding Venn Diagrams

Think about your fridge and the ingredients for making a sandwich - some items appear in both categories! Venn diagrams use overlapping circles to show these relationships in a clear, visual way.

Each circle represents a different set or group of items. In our example, one circle contains "Things in My Fridge" whilst the other shows "Things That Go in a Sandwich." Where the circles overlap, you'll find items that belong to both groups - like butter, cheese, and ham.

Items that only belong to one group stay in their own circle. So milk and carrots (just fridge items) go in the left circle only, whilst bread (sandwich ingredient that's not stored in the fridge) goes in the right circle only.

Quick Tip: The overlapping section is the key to understanding Venn diagrams - it shows what the two groups share in common!