300-KILOGRAM
motorbike.
Measuring
The room is
twenty FEET IN LENGTH / IN WIDTH / IN HEIGHT.
twenty FEET LONG / WIDE / HIGH.
This is a
twenty FOOT-LONG / -WIDE / -DEEP
 pool.
300 KILOGRAMS.
This motorbike weighs
Counting
2.5%
2 x 6 = 12
3,000 - 210 = 2,790
6 ÷ 2 = 3
two point five percent
two times six is twelve. 
three thousand minus two hundred and ten is ...
six divided by two is three.
This motorcycle is worth £5,000. (five thousand pounds)
fractions & powers
statistics
I have twice as many books as you.
Sure, but there’s twice as much information in mine.
1km = mile - one kilometer is five eighths of a mile.
75cl = ¾ l      - seventy-five centilitres is three quarters of a litre.
The birth rate in Britain is 18 per thousand.
18.Measuring / Counting