Units of Length

Put the following in order from the smallest measurement to the biggest.

• mm

• cm

• m

• km

Match the following units with the correct words

• centimetres

• mm

• millimetres

• m

• kilometres

• cm

• metres

• km

There are ​ (a)   millimetres in a centimetre

• 10
• 1
• 100
• 1000

There are ​ (a)   centimetres in a metre

• 100
• 1
• 10
• 1000

There are ​ (a)   metres in a kilometre

• 1000
• 1
• 10
• 100

What would you measure using each unit?

Groups:

(a) mm

,

(b) cm

,

(c) m

,

(d) km

• 
• 
• 
• 

150 mm = 15 cm

• True
• False

1600 m = 16 km

• True
• False

2 km = 2000 ​ (a)  

54 m = ​ (b)   centimetres

• metres
• 5400

Put the following values with their equivalent values

Groups:

(a) 200 cm

,

(b) 500 mm

,

(c) 2km

,

(d) 500 cm

• 2 m

• 0.5 m

• 0.2 km

• 50 cm

• 2000 m

• 0.5 km