Reading and interpreting two-set Venn diagrams, understanding intersection (overlap), union, and items outside both sets.
Where your child meets this in real life: Sorting items by properties, understanding overlapping categories, or analysing survey responses
Each SEAG paper has 28 maths questions. Questions 29 to 50 are multiple choice with five possible answers, and questions 51 to 56 need a short written answer. With 56 questions in 60 minutes across English and maths, that is about a minute per question.
SEAGReady breaks read venn diagrams into 3 steps, taught in order so each skill builds on the last.
Identify which items are in each region of a two-set Venn diagram (A only, B only, both, neither)
Count how many items are in each region and answer 'how many' questions
Calculate totals from Venn diagrams without double-counting the intersection
Try three free questions from our read venn diagrams course. They start easy and get harder, so you can see where your child's confidence runs out. If they manage the last one without a hint, this topic is probably secure. If not, the steps above show where to start.
The Venn diagram shows children’s favourite colours. Which children like both blue and green?
The Venn diagram shows languages learned by children. How many more learn French than Irish?
The Venn diagram shows the sports liked by a class of 28 pupils. How many like neither sport?
This is the exact interactive worked example your child sees in SEAGReady. Step through it and watch the method build up.
Mrs O'Brien's class sorted their pets into a Venn diagram. Circle A shows 'Has fur'. Circle B shows 'Has four legs'. The overlap shows: dog, cat. Circle A only shows: hamster. Circle B only shows: tortoise. Outside both circles shows: goldfish.
Which pets are in both circles?
A ∩ B
The overlap is where both circles meet
Step 1 of 4
Mrs O'Brien's class sorted their pets into a Venn diagram. Circle A shows 'Has fur'. Circle B shows 'Has four legs'. The overlap shows: dog, cat. Circle A only shows: hamster. Circle B only shows: tortoise. Outside both circles shows: goldfish.
Which pets are in both circles?
Dog and cat are in both circles because they have fur AND four legs.
The key insight: The overlap is special - items there belong to BOTH circles at the same time!
Common mix-up: Hamster, dog, cat are in circle A. That's correct for 'all of A', but the question asked for 'both circles' which means only the overlap.
These are the misconceptions we see most often in read venn diagrams, including the ones our practice questions are specifically designed to catch.
Sitting the SEAG test this November? Read our last-month revision plan, Paper 1 vs Paper 2 and test day guide.
SEAGReady finds the exact step where your child gets stuck, teaches it with worked examples like the one above, and brings it back for review so it sticks.
Free to start · no card needed