If you're looking for a hands-on math lesson for geometry, may I suggest building castles? I taught this lesson for the first time recently, and it was so much fun! You can see the pictures and read all about it over on my blog. You can also grab a free table your students can use to record their information during the lesson. Don't worry if you don't have shape patterns, because I'll point you to a free website where you can grab some!
Need a Geometry Project? Make a tangram quilt with a few requirements. Head on over to Peace Love & Number 2 Pencils for a cute culminating project and rubric. Just download and change to your school name!