Objects
Sort fruits, animals, school items, clothes — spot the different category.
Objects
Odd One Out — Objects
NCERT anchor
Joyful Mathematics 2 — Data Handling / Shapes Around Us. Sorting objects into categories prepares for data handling charts in Joyful Mathematics 2.
What you'll learn
- Group objects by what they are used for or where they belong.
- One item will not fit the category.
- Categories: fruits, school things, clothes, animals.
Key concepts
Verbal: Ask: What do most of these belong to? — fruits, school things, clothes, or animals.
Symbolic: Category rule → one item fails. Example: apple, mango, banana | pencil (not fruit).
Level 1 — By category
| Group | Odd one | Why |
|---|---|---|
| apple, mango, banana | pencil | Not a fruit |
| book, pen, eraser | ball | Not stationery |
| shirt, skirt, socks | tomato | Not clothing |
Level 1 — By use
Plate, spoon, fork → cup (odd if others are eating tools but cup is drinkware — depends on set; usually cup fits kitchen).
Level 2 — Living vs non-living
Dog, cat, cow, table → table is not an animal.
Level 2 — Method
Ask: What do most of these have in common?
Worked example
Odd one out: cricket bat, ball, stumps, apple
Step 1 — Three are cricket gear
Step 2 — Apple is **food/fruit**, not sports gear
Answer: apple
Common mistakes
| Mistake | Why | Fix |
|---|---|---|
| Picking smallest | Size is not the rule | Find category |
| Two possible answers | Weak rule | Choose clearest group |
| Only looking at colour | Red apple vs red ball | Type matters |
Quick check
- Odd one: cow, goat, hen, chair
- Group: pencil, crayon, ruler, ? (which does not belong: mango)
- Make your own set of four with one odd.
Stretch: Create your own odd-one-out set: three cricket items and one kitchen item — explain.
Revision tip: Sort your pencil box items into groups — the leftover item often shows the category name.
Open the Practice tab for graded questions on Odd One Out — Objects.
Key Takeaways (TL;DR)
- NCERT anchor
- What you'll learn
- Key concepts
- Worked example
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