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Free game · ages 6–14

Odd one out — find the one that does not belong

Four cards, one odd one out. Is it the odd number among evens, the number that is not in the 7 times table, or the vegetable among colours? Every set has exactly one answer — and you see why.

How to play Odd One Out

  1. Choose words (ages 6–9) or numbers: easy, medium or hard.
  2. Look at all four cards and find what three of them share.
  3. Tap the one that does not belong. After each answer you see the reason.
  4. 10 sets a round — get all 10 for the Sharp Eye badge.

What your child learns

Class 1 to 9 · ages 6–14

Odd One Out is a reasoning game: find what three cards share and tap the one that does not belong. The number sets use odd and even numbers, times tables, primes and squares; the word sets use categories of English words. These odd one out questions are common in reasoning tests and Olympiads, and the reason is shown after every answer.

Tips to get better at Odd One Out

  1. Look for more than one pattern — sometimes two cards look odd for different reasons.
  2. For numbers, check: odd or even? In which table? Prime? Square?
  3. Say the rule in a sentence: “three are fruits, one is a vegetable”.

Skills it builds

  • ✓ Sorting and classifying
  • ✓ Odd and even, times tables, primes and squares
  • ✓ English words by category
Learn it: Logical Reasoning for KidsOdd one out, series and patterns — step by step. Free lessons, badges and certificates.

More free games

Balloon PopPop the right balloon: make 10, count to 10, first letters. Multiplication RaceRace your car with times tables 2–20. Beat your ghost or a friend. Multiplication WarFlip two cards, multiply fast, win the pile from the computer. Mental Maths RaceAdd, subtract, multiply and divide in your head against the clock. Daily Maths ChallengeSame 10 questions for everyone today. Top 10 board and a daily streak. Multiplication BingoHear “7 times 8”, find 56 on your card, get a line for BINGO. Maths Quiz Ladder15 Olympiad-style questions, 50:50 and skip. How high can you climb? Memory CardsMatch pictures to words, English to Hindi, or 7 × 8 to 56. See all 31 gamesMaths, English, memory and puzzle games — all free. My learningYour best scores, game badges, challenges and time.

Odd One Out — questions

Can there be two right answers?

No. For the number sets, the computer checks every common property — odd and even, the 3 to 12 times tables, primes, squares, cubes and the number of digits — so that only one number can be called the odd one out.

What does the words level practise?

English words from the TalentJR Spoken English course grouped by meaning: animals, birds, colours, fruits, body parts, clothes, family, feelings, vehicles, toys and more.

Which level should my child choose?

Words for ages 6–9, easy numbers (odd/even, 5s and 10s) for 7–8, medium (tables 3–9, squares) for 9–11 and hard (primes and bigger tables) for 11+.

Is it free?

Yes — free in the browser on phones, tablets and computers, no download.

ऑड वन आउट कैसे खेलें?

चारों कार्ड देखें — तीन में कोई एक बात समान होती है। जो कार्ड उनसे अलग है, उसे दबाएँ। हर उत्तर के बाद कारण दिखता है।