Maths
Stretch – Venn & Carroll Diagrams
Stretch (universal 11+): sort data into Venn diagrams with two overlapping sets and Carroll diagrams with two criteria, and read them.
MathsAge 9+25 minutes
What this topic covers
- Place items in a two-set Venn diagram, including the overlap and the outside.
- Read counts from a Venn diagram, including 'only', 'both' and 'neither'.
- Sort into and read a Carroll diagram with two yes/no criteria.
Core concept summaries
Key ConceptsVenn DiagramsReading a Venn DiagramCarroll Diagrams; the Outside Trap
Practice formats pupils may meet
NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.
clozematchingquiz
Example quiz question
An item has a cat and a dog. Where does it go?
- dog ring only
- cat ring only
- outside
- the overlap
Show the answer
Answer: D. the overlap
Both.