I found the above shape posters online and found them fun for English learners. Each one has a cute little poem with reference to what the shape is in real life. They currently are up on the walls around my classroom.
I used a lot of manipulative cards such as the shape cards above. Mostly for introductions and having students come up and do the work themselves in front of everyone. This allowed for vocabulary games and activities, too. I don't know how I could have gotten by without sets of shapes, coins and other various picture cards. Just writing the words on the board wasn't enough for me, I guess!
There is a lot more, so much that it fills up 26 pages in a Word document. If you would be interested in getting this document let me know, as I am very open to sharing. I'll see about adding more on a blog post another time, if it suits me. ;)