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

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

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

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

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

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

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

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

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

A) Capacity
B) Length
C) Mass

A) Capacity
B) Length
C) Mass

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

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

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

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

A) longer
B) shorter
C) the same

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

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

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

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

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

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

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

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

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

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

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

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

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

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