MathsTran · Years 8–9
Probability · Pure region selection

Three-Way Venn Diagrams

Read the probability event, then press every separate region that belongs to it. There are no calculations and no numbers—this activity is entirely about recognising which parts of a three-way Venn diagram make up an event.

Three-way Venn identification

1
Five questions use this same context.
1Identify every included region

Click a selected region again to remove it.

30 identification questions complete

Every region recognised

You can identify single sets, intersections, unions, “only” regions, exactly-one, exactly-two and all-three events in a three-way Venn diagram.