1. What is the definition of length?
A) The area covered by an object
B) The distance between two points
C) The volume of an object
D) The height of an object
Answer: B) The distance between two points
2. What is the standard unit of length?
A) Kilometre
B) Centimetre
C) Metre
D) Millimetre
Answer: C) Metre
3. Which unit is used to measure very small lengths?
A) Metre
B) Kilometre
C) Centimetre and millimetre
D) Metre and kilometre
Answer: C) Centimetre and millimetre
4. How many millimetres are there in 1 centimetre?
A) 100 mm
B) 10 mm
C) 1000 mm
D) 1 mm
Answer: B) 10 mm
5. How many centimetres make up 1 metre?
A) 10 cm
B) 100 cm
C) 1000 cm
D) 50 cm
Answer: B) 100 cm
6. What unit would you use to measure the height of a lamp post?
A) Millimetre
B) Centimetre
C) Metre
D) Kilometre
Answer: C) Metre
7. Which unit is appropriate to measure the distance between two cities?
A) Centimetre
B) Millimetre
C) Metre
D) Kilometre
Answer: D) Kilometre
8. How many metres are there in 1 kilometre?
A) 10 m
B) 100 m
C) 1000 m
D) 1 m
Answer: C) 1000 m
9. If the distance between your home and school is 2.5 km, how many metres is it?
A) 2500 m
B) 500 m
C) 25 m
D) 250 m
Answer: A) 2500 m
10. What is the symbol for the unit kilometre?
A) m
B) cm
C) mm
D) km
Answer: D) km