De or het nummerering?

The correct Dutch article is:

de nummerering

Rule Words ending in -ing: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use nummerering

the nummereringde nummerering
this nummereringdeze nummerering
that nummereringdie nummerering
our nummereringonze nummerering
your nummereringjouw nummerering
every nummereringelke nummerering
which nummerering?welke nummerering?
a big nummerering / the big nummereringeen grote nummerering, de grote nummerering