Measurement Hunt worksheet from Learners' Planet, helping students practice selecting the correct unit of measurement.

Let's solve the "Measurement Hunt" worksheet step by step. The goal is to choose the correct unit of measurement — centimetre (cm), metre (m), or kilometre (km) — for each object or distance, and then write an approximate answer.

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Guidelines:

- Centimetre (cm): Used for small objects (e.g., coins, pens, bread slices).
- Metre (m): Used for medium-sized objects or distances (e.g., height of a tree, length of cloth, door thickness).
- Kilometre (km): Used for long distances (e.g., between cities).

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Solutions with Explanations:

1. How wide is a Rs. 50 note?
- Unit: centimetre (cm)
- Approximate Answer: ~15 cm
- *Explanation:* A currency note is small, so measured in cm.

2. How wide is a 50 p coin?
- Unit: centimetre (cm)
- Approximate Answer: ~2.5 cm
- *Explanation:* Coins are small; diameter is usually around 2–3 cm.

3. Height of banyan tree?
- Unit: metre (m)
- Approximate Answer: ~30 m
- *Explanation:* Trees are tall, but not kilometers high — metres are appropriate.

4. Distance between Mumbai and Delhi?
- Unit: kilometre (km)
- Approximate Answer: ~1400 km
- *Explanation:* This is a large city-to-city distance — must be in km.

5. How wide is a slice of bread?
- Unit: centimetre (cm)
- Approximate Answer: ~10 cm
- *Explanation:* Bread slices are small, about hand-width.

6. How thick is a door?
- Unit: centimetre (cm)
- Approximate Answer: ~4 cm
- *Explanation:* Doors are thin compared to buildings — typically 3–5 cm thick.

7. How wide is a compact disk?
- Unit: centimetre (cm)
- Approximate Answer: ~12 cm
- *Explanation:* CDs are about 12 cm in diameter — standard size.

8. Length of curtain cloth.
- Unit: metre (m)
- Approximate Answer: ~2 m
- *Explanation:* Curtains are long enough to cover windows — measured in meters.

9. Length of the garden in your area
- Unit: metre (m)
- Approximate Answer: ~10 m (varies)
- *Explanation:* A typical residential garden might be 10–20 m long.

10. How wide is a computer screen?
- Unit: centimetre (cm)
- Approximate Answer: ~40 cm
- *Explanation:* Most laptop/desktop screens are around 30–50 cm wide.

11. How long is the hour hand on a watch?
- Unit: centimetre (cm)
- Approximate Answer: ~2 cm
- *Explanation:* Watch hands are very small — usually less than 3 cm.

12. How long is an AA battery?
- Unit: centimetre (cm)
- Approximate Answer: ~5 cm
- *Explanation:* Standard AA batteries are about 5 cm long.

13. Length of the cloth for stitching a dress?
- Unit: metre (m)
- Approximate Answer: ~2 m
- *Explanation:* Dress fabric needs several meters — commonly 2–3 m.

14. How wide is a washcloth?
- Unit: centimetre (cm)
- Approximate Answer: ~25 cm
- *Explanation:* Washcloths are small towels — about 20–30 cm wide.

15. How long is a new crayon?
- Unit: centimetre (cm)
- Approximate Answer: ~8 cm
- *Explanation:* Crayons are short writing tools — typically 7–10 cm long.

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✔ Final Answers:

| No. | Question | Unit | Approximate Answer |
|-----|--------|------|-------------------|
| 1 | How wide is a Rs. 50 note? | cm | 15 cm |
| 2 | How wide is a 50 p coin? | cm | 2.5 cm |
| 3 | Height of banyan tree | m | 30 m |
| 4 | Distance between Mumbai and Delhi | km | 1400 km |
| 5 | How wide is a slice of bread? | cm | 10 cm |
| 6 | How thick is a door? | cm | 4 cm |
| 7 | How wide is a compact disk? | cm | 12 cm |
| 8 | Length of curtain cloth | m | 2 m |
| 9 | Length of the garden in your area | m | 10 m |
| 10 | How wide is a computer screen? | cm | 40 cm |
| 11 | How long is the hour hand on a watch? | cm | 2 cm |
| 12 | How long is an AA battery? | cm | 5 cm |
| 13 | Length of the cloth for stitching a dress? | m | 2 m |
| 14 | How wide is a washcloth? | cm | 25 cm |
| 15 | How long is a new crayon? | cm | 8 cm |

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✔ Tip: Always consider the size of the object:
- Tiny → cm
- Medium → m
- Long distances → km

This helps you pick the right unit!

Let me know if you'd like this as a printable version!