noun / verb
sheet
SHEET/ʃiːt/
A broad thin piece of material.
The thin fabric sheet lies flat with one corner folded back.

Etymology
Old English sciete named a length of cloth or covering. The meaning broadened from fabric to pieces of paper and other broad, flat, relatively thin materials.
In context
it doesn't have to be a full sheet of paper you can use scrap paper
More examples
- Write your answers on a separate sheet of paper.
- He spreads a clean sheet over the mattress.
- Rain sheets down the windows during the storm.
Forms
sheet · sheets · sheeted · sheeting
sheeting noun — Material produced in broad, thin sheets.