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11+ Verbal Reasoning · Year 5–6 · Free lesson

Odd One Out

Trout, shark, cod, dolphin — all swim, but three are fish. Odd-one-out marks go to children who name the tightest category before choosing. This lesson builds that habit.

V6Odd One Out
Three belong together. One doesn't.
Odd-one-out questions test precise categories — name the group first.
Which is the odd one out?
applebananacarrotplum
Three are fruits → carrot (a vegetable) is the odd one out.
Name the category of the majority FIRST — then the outsider names itself.
1

Learn the 3-Step Method

1Find what most share.

Apple, banana, plum: fruits. State the category in words.

name the group

2Test every member against it.

Is carrot a fruit? No — it’s the outsider.

test each

3Prefer the tighter category.

Trout, shark, cod, dolphin: all swim — too loose. Three are FISH; dolphin is a mammal. Tighter wins.

tightest group
💡 Key IdeaIf two different answers seem right, your category is too loose — tighten it until exactly one word falls outside.
2

Worked Example

Odd one out: chair, table, wardrobe, kitchen.

Category
chair, table, wardrobe = furniture
Test the fourth
kitchen = a room, not furniture
✓ Odd one
kitchen
3

Watch Out! Common Mistakes

Personal-preference categories.

Not ‘the one I dislike’! Categories must be factual — fruit/vegetable, fish/mammal, furniture/room.

Surface features over meaning.
banana odd “because it’s long”

Meaning first! Shape and letter-count categories are rarely the intended ones when a clean meaning group exists.

Stopping at the first plausible answer.

Test all four! The dolphin trap catches children who see ‘all sea creatures’ and stop. Check each member against the tightest group.

Cheat Sheet

ODD ONE OUT
  1. Name the majority's category in words.
  2. Test every option against it.
  3. Two possible answers → tighten the category.
  4. Meaning beats surface features (length, letters).
Examples: carrot (vegetable among fruits) · dolphin (mammal among fish) · kitchen (room among furniture).
📄 Free printable: Download the Odd One Out cheat sheet (PDF) — keep it by your child's desk.

Quick summary

Frequently asked questions

How do you find the odd one out?

Name what most of the words have in common — precisely — then the word that fails the test is the answer: fruits leave the carrot outside.

What is the dolphin trap?

A category that's too loose: trout, shark, cod and dolphin all swim, but only three are fish. Tight categories expose the mammal.

Are letter-based categories ever the answer?

Occasionally in VR papers, but only when no clean meaning category exists — always try meaning first.

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