A) Because they used to be used in the British Empire.
B) Because Roman emperors invented them.
C) Because Darth Vader measured Imperial Star Destroyers in them.

A) half a metre long
B) 10 cm long
C) 12 inches long

A) 3 feet long
B) 1 metre long
C) 100 centimetres long

A) 3000 yards long
B) 1800 yards long
C) 1250 yards long
D) 1760 yards long

A) 3 cm long
B) 1.5 cm long
C) 2 cm long
D) 2.5 cm long

A) 35 cm long
B) 10 cm long
C) 20 cm long
D) 30 cm long

A) Shorter than a mile
B) Almost the same as a mile
C) Longer than a mile

A) Centimetre, yard, litre, pint
B) Centimetre, millimetre, metre, litre, gram
C) Millimietre, pound, gram, yard
D) Centimetre, millimetre, foot, yard

A) 10
B) 5
C) 12
D) 3

A) Length
B) Mass
C) Capacity

A) Capacity
B) Mass
C) Length

A) 1000 cm
B) 5 yards
C) 100 mm
D) 100 cm

A) 4
B) 6
C) 2
D) 1

A) 4 kilograms
B) 6 kilograms
C) 2 kilograms
D) 0.5 kilograms

A) 2 inches
B) 5 inches
C) 12.5 inches
D) 1 inch

A) longer
B) shorter
C) the same

A) 100
B) 10, 000
C) 1, 000
D) 10

A) 100
B) 2
C) 1000
D) 10
E) 5

A) 1000
B) 100
C) 10
D) 10, 000

A) 3
B) 27
C) 9
D) 21
E) 6

A) Multiply them by 2
B) Multiply them by 2.5
C) It's a trick question! Inches and centimetres are the same thing!
D) Divide them by 2
E) Divide them by 2.5

A) Multiply them by 100
B) It's a trap! You can't change metres to kilometres!
C) Multiply them by 1000
D) Divide them by 1000
E) Divide them by 100

A) 2.45 kilometres
B) 245, 000 kilometres
C) 24.5 kilometres
D) 245 kilometres

A) 25 cm
B) 20.5 cm
C) 30 cm
D) 250 cm

A) drunk more orange juice
B) drunk more milk
C) drunk the same of both

A) Miles
B) Feet
C) Inches
D) Yards

A) 400
B) 40
C) 48
D) 36

A) 3
B) 12
C) 9
D) 6

A) three and a half
B) 3.5
C) 3500
D) 350

A) 15, 000
B) 150
C) 150, 000
D) 1, 500