DIY hanging diamond decor by contributor Kathleen :: These use straws covered in silver muffler tape. She used cotton string, but fishing line works, too. All the dimensions for the straws are given for all 3 sized diamonds!
I love this Geometric Shapes chart shared by Kathryn on Kindergarten Kindergarten! I had to scroll down to find it, but found a ton of great ideas along the way. I also loved her shape museum. (She has lots of free ideas for teaching math concepts.
This fun activity will get kids excited about geometric shapes while incorporating art into the classroom. This product includes 7 different shape (monster) templates (both in color and as line art for the student to color) and 3 accompanying worksheets.