to counting in multiples more counting odd & even read & write numbers place value & partitioning positive or negative estimating rounding greater or less than compare or order numbers ratio number bases frac, decs % decimals – place value & number lines decimals – of a whole decimals – rounding fractions...
heating oil production takes place in oil refineries. these industrial facilities separate crude oil, which consists of different hydrocarbons, into smaller component hydrocarbons known as fractions. image via wikimedia commons refineries heat the crude oil at temperatures of several hundred degrees...