How to use "amounts" in a sentence

That's why you also gave me small amounts of poison.' Mr Slinkton was surprised by Beckwith's behaviour

Lesser amounts, ranging from only one hundred million to as much as half a billion, were secretly extracted from the Department of Energy, the Department of Education, and other government bodies on an annual basis.

My brother heard that about half the members of the government had met in Birmingham, in central England, and that enormous amounts of explosive were being prepared to be used in the Midlands

I divided the food in the cupboard into separate amounts to last us ten days