This database contains many of the trade publications below, plus other types of works (book reviews, author interviews, etc.). To search for a practitioner article:
Search for your interest, in this example we'll use "reading". If you just search reading, you'll get a ton of results but you'll also get works of poetry, books and more. There's definitely practitioner articles in there but you'll have to weed through some results
A good shortcut in this database is to combine it with one of these terms:
best practice
teacher practice
Classroom practice
"in the classroom"
This database allows you to just search trade publications, which can be a great way to easily find practitioner articles. On the landing page for this database, before you do your search, scroll down until you see a box that says "Publication Type" then select Trade Publication from the list

Then scroll back to the top & do your search.