Here is a grammar lesson on fewer and less.

Here is a quiz with a few, a little, much, and many.

Contrast fewer and less with this exercise.

Here is a fill-in-the-blank with "there is" and "there are."

This is a nice-looking quiz on quantifiers.

In this exercise, practice several adverbs of quantity, including too much and too many and not enough.

Here is a self-check quiz on quantifiers.

Here's another self-check quiz for using "there is" and "there are."